WARNING: Version 5.6 of Elasticsearch has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
5.0.0 Combined Release Notes
edit5.0.0 Combined Release Notes
editThe list below covers all changes from 5.0.0-alpha1 to 5.0.0 GA excluding changes which were already released in the 2.x series, which can be found in 5.0.0-alpha1 Release Notes (Changes previously released in 2.x).
Also see Breaking changes in 5.0.
Breaking changes
edit- Aggregations
- Aliases
- Allocation
-
- Remove DisableAllocationDecider #13313
- Analysis
- CAT API
-
- Improve cat thread pool API #19721 (issue: #19590)
- Row-centric output for _cat/fielddata #18068 (issue: #10249)
- Add raw recovery progress to cat recovery API #17064 (issue: #17022)
- Remove host from cat nodes API #16656 (issues: #12959, #16575)
- Using the accept header in the request instead of content-type in _cat API. #14421 (issue: #14195)
- CRUD
- Cache
-
- Remove deprecated query cache settings #15592
- Cluster
- Core
-
- Remove ignore system bootstrap checks #20511
- Remove minimum master nodes bootstrap check #20082
- Keep input time unit when parsing TimeValues #19102
- Remove cluster name from data path #18554 (issue: #17810)
- Add max number of processes check #16919
- Add mlockall bootstrap check #16909
- One log #16703 (issue: #16585)
- Engine
- Exceptions
- Fielddata
- Geo
-
- Deprecate GeoDistance enums and remove geo distance script helpers #19783
- Index APIs
- Indexed Scripts/Templates
- Inner Hits
-
-
Also do not serialize
_indexkey in search response for parent/child inner hits #19011 -
Don’t include
_id,_typeand_indexkeys in search response for inner hits #18995 (issue: #18091) - Nested inner hits shouldn’t use relative paths #18567 (issue: #16653)
- Drop top level inner hits in favour of inner hits defined in the query dsl #17816 (issue: #11118)
-
Also do not serialize
- Internal
- Logging
- Mapping
-
-
Remove
_timestampand_ttlon 5.x indices. #18980 (issue: #18280) - Add a soft limit on the mapping depth. #17400
- Disable fielddata on text fields by defaults. #17386
- Add limit to total number of fields in mapping #17357
- Change the field mapping index time boost into a query time boost. #16900
- Deprecate string in favor of text/keyword. #16877
- Term vector APIs should no longer update mappings #16285
-
Remove the
formatoption of the_sourcefield. #15398 - Remove transform #13657 (issue: #12674)
-
Remove
- Packaging
-
- Rename service.bat to elasticsearch-service.bat #20496 (issue: #17528)
- Remove -D handling in args for windows plugin script #20378 (issue: #18207)
- Set default min heap equal to default max heap #20080 (issues: #16334, #17728, #18311)
- Remove allow running as root #18694 (issue: #18688)
- Require /bin/bash in packaging #18259 (issue: #18251)
- Remove plugin script parsing of system properties #18207 (issue: #18140)
- Add JVM options configuration file #17675 (issue: #17121)
- Parent/Child
- Percolator
- Plugin Delete By Query
- Plugin Lang Painless
- Plugins
- Query DSL
- REST
-
- Change separator for shards preference #20786 (issues: #20722, #20769)
- Parameter improvements to Cluster Health API wait for shards #20223 (issue: #20216)
-
Switch indices.exists_type from
{index}/{type}to{index}/_mapping/{type}. #20055 (issue: #15613) -
Only use
PUTfor index creation, not POST. #20001 (issues: #15613, #18160) - Remove camelCase support #17933 (issue: #8988)
- Remove case parameter from rest apis #17774 (issue: #8988)
- Disallow unquoted field names #15351 (issue: #9800)
- Limit the accepted length of the _id #16036 (issue: #16034)
- Scripting
-
- Hardcode painless as the default scripting lang and add legacy script default for stored scripts #20310 (issue: #20122)
- Remove deprecated 1.x script and template syntax #19387 (issue: #13729)
- Allow only a single extension for a scripting engine #18332 (issue: #10598)
- Remove sandbox option for script settings, allow only registering a single language. #18226 (issues: #10598, #17114)
- Search
-
-
Rename
fieldstostored_fieldsand adddocvalue_fields#18992 (issue: #18943) - Remove only node preference #18875 (issue: #18822)
- Add search preference to prefer multiple nodes #18872 (issue: #18822)
- Add a soft limit on the number of shards that can be queried in a single search request. #17396
- Remove deprecated reverse option from sorting #17282 (issue: #17047)
- Remove some deprecations #14331
- Remove search exists api #13911 (issues: #13682, #13910)
- Remove the scan and count search types. #13310
-
Rename
- Search Refactoring
- Settings
-
- Default max local storage nodes to one #19964 (issues: #19679, #19748)
- Persistent Node Names #19456 (issue: #19140)
- Remove support for properties #19398 (issues: #19388, #19391)
- Rename boostrap.mlockall to bootstrap.memory_lock #18669
-
Register
indices.query.bool.max_clause_countsetting #18341 (issue: #18336) - Remove settings and system properties entanglement #18198 (issue: #18197)
-
Remove
action.get.realtimesetting #17857 (issue: #12543) -
Remove ability to specify arbitrary node attributes with
node.prefix #17402 (issue: #17280) -
Enforce
discovery.zen.minimum_master_nodesis set when bound to a public ip #17288 - Prevent index level setting from being configured on a node level #17144 (issue: #16799)
- Remove support for node.client setting #16963 (issue: #16565)
- Remove es.max-open-files flag #16757 (issues: #16506, #483)
- Enforce node level limits if node is started in production env #16733 (issue: #16727)
- Make settings validation strict #16365
- Remove the ability to fsync on every operation and only schedule fsync task if really needed #16257 (issue: #16152)
- Script settings #16197
- Remove index.flush_on_close entirely #15977
- Restore chunksize of 512kb on recovery and remove configurability #15235 (issue: #15161)
- Remove ancient deprecated and alternative recovery settings #15234
- Similarities
- Snapshot/Restore
- Stats
- Term Vectors
-
- Remove DFS support from TermVector API #16452
- Translog
- Warmers
Breaking Java changes
edit- Aggregations
-
- getKeyAsString and key_as_string should be the same for terms aggregation on boolean field #15393
- Allocation
- Analysis
-
- Simplify Analysis registration and configuration #14355
- CRUD
- Cache
- Core
- Discovery
- Highlighting
-
- Register Highlighter instances instead of classes #18859
- Internal
-
- Remove TransportService#registerRequestHandler leniency #20469 (issue: #20468)
- Consolidate search parser registries #20000
- Move all FetchSubPhases to o.e.search.fetch.subphase #19702
- Squash the rest of o.e.rest.action #19698
- Clean up BytesReference #19196
- Cleanup ClusterService dependencies and detached from Guice #18941
- Simplify SubFetchPhase interface #18881
- Simplify FetchSubPhase registration and detach it from Guice #18862
- Remove duplicate getters from DiscoveryNode and DiscoveryNodes #17410 (issue: #16963)
- Cli: Switch to jopt-simple #17024 (issue: #11564)
- Replace ContextAndHeaders with a ThreadPool based ThreadLocal implementation #15776
- Remove NodeBuilder #15354
- Fix IndexSearcherWrapper interface to not depend on the EngineConfig #14654
- Cleanup query parsing and remove IndexQueryParserService #14452
- Remove circular dependency between IndicesService and IndicesStore #14285
- Remove guice injection from IndexStore and friends #14279
- Replace IndicesLifecycle with a per-index IndexEventListener #14217 (issue: #13259)
- Simplify similarity module and friends #13942
- Refactor SearchRequest to be parsed on the coordinating node #13859
- Java API
- Mapping
- Network
- Parent/Child
- Percolator
- Plugins
-
- Cleanup sub fetch phase extension point #20382
- Remove IndexTemplateFilter #20072
- Switch custom ShardsAllocators to pull based model #20071
- Make custom allocation deciders use pull based extensions #20040
- Migrate query registration from push to pull #19376
- Add components getter as bridge between guice and new plugin init world #19371
- Remove CustomNodeAttributes extension point #19348
- Add RepositoryPlugin interface for registering snapshot repositories #19324
- Simplified repository api for snapshot/restore #19292
- Switch most search extensions from push to pull #19238
- Move RestHandler registration to ActionModule and ActionPlugin #19165
- Pull actions from plugins #19108
- Switch analysis from push to pull #19073
- Remove guice from Mapper plugins #19018
- Fail to start if plugin tries broken onModule #19025
- Simplify ScriptModule and script registration #18903
- Cut over settings registration to a pull model #18890
- Enforce isolated mode for all plugins #17276
- Don’t use guice for QueryParsers #15761
- Remove guice from the index level #14518
- Remove shard-level injector #13881
- Query DSL
- Scripting
- Search
- Search Refactoring
- Settings
- Snapshot/Restore
- Store
-
- Standardize state format type for global and index level metadata #17123
- Suggesters
Deprecations
edit- CRUD
-
- Deprecate found and created in delete and index rest responses #19633
- Plugin Discovery Azure Classic
- Plugin Mapper Attachment
- Query DSL
- Query Refactoring
-
-
Splits
phraseandphrase_prefixin match query intoMatchPhraseQueryBuilderandMatchPhrasePrefixQueryBuilder#17508
-
Splits
- Scripting
- Search
- Templates
New features
edit- Aggregations
- Aliases
- Allocation
- Analysis
- Circuit Breakers
- Discovery
-
- Add two phased commit to Cluster State publishing #13062
- Geo
- Index APIs
- Ingest
- Java REST Client
- Mapping
- Percolator
- Plugin Analysis ICU
- Plugin Discovery File
- Plugin Ingest Attachment
- Plugin Mapper Attachment
-
- Migrate mapper attachments plugin to main repository #14605
- Plugin Repository HDFS
- Plugin Repository S3
-
- Add support for path_style_access #15114
- Query DSL
- Reindex API
- Scripting
- Scroll
- Search
- Settings
-
- Add infrastructure to transactionally apply and reset dynamic settings #15278
- Snapshot/Restore
- Stats
- Store
- Suggesters
- Task Manager
- Translog
Enhancements
edit- Aggregations
-
- Make the heuristic to compute the default shard size less aggressive. #19659
- Add _bucket_count option to buckets_path #19571 (issue: #19553)
- Remove AggregationStreams #19507
- Migrate serial_diff aggregation to NamedWriteable #19483
- Migrate most remaining pipeline aggregations to NamedWriteable #19480
- Migrate moving_avg pipeline aggregation to NamedWriteable #19420
- Migrate matrix_stats to NamedWriteable #19418
- Migrate derivative pipeline aggregation to NamedWriteable #19407
- Migrate top_hits, histogram, and ip_range aggregations to NamedWriteable #19375
- Migrate nested, reverse_nested, and children aggregations to NamedWriteable #19374
- Migrate geohash_grid and geo_bounds aggregations to NamedWriteable #19372
- Clean up significant terms aggregation results #19365
- Migrate range, date_range, and geo_distance aggregations to NamedWriteable #19321
- Migrate terms aggregation to NamedWriteable #19277
- Migrate sampler and missing aggregations to NamedWriteable #19259
- Migrate global, filter, and filters aggregation to NamedWriteable #19220
- Migrate the cardinality, scripted_metric, and geo_centroid aggregations to NamedWriteable #19219
- Use a static default precision for the cardinality aggregation. #19215
- Migrate more aggregations to NamedWriteable #19199
- Migrate stats and extended stats to NamedWriteable #19198
- Migrate sum, min, and max aggregations over to NamedWriteable #19194
- Start migration away from aggregation streams #19097
- Automatically set the collection mode to breadth_first in the terms aggregation when the cardinality of the field is unknown or smaller than the requested size. #18779 (issue: #9825)
- Rename PipelineAggregatorBuilder to PipelineAggregationBuilder. #18677 (issue: #18377)
- AggregatorBuilder and PipelineAggregatorBuilder do not need generics. #18368 (issue: #18133)
- Rename AggregatorBuilder to AggregationBuilder #18377 (issue: #18367)
-
Add the ability to use the breadth_first mode with nested aggregations (such as
top_hits) which require access to score information. #18127 (issue: #9825) - Make significant terms work on fields that are indexed with points. #18031
-
Add tests and documentation for using
time_zonein date range aggregation #16955 (issue: #10130) - Fixes serialisation of Ranges #16674
- Allocation
-
- Verify AllocationIDs in replication actions #20320
- Mark shard as stale on non-replicated write, not on node shutdown #20023 (issue: #18919)
- Add routing changes API to RoutingAllocation #19992
- Primary shard allocator observes limits in forcing allocation #19811 (issue: #19446)
- Use primary terms as authority to fail shards #19715
- Add recovery source to ShardRouting #19516
-
Allow
_shrinkto N shards if source shards is a multiple of N #18699 - Only filter intial recovery (post API) when shrinking an index #18661
- Estimate shard size for shrinked indices #18659
- Only fail relocation target shard if failing source shard is a primary #18574 (issue: #16144)
- Simplify delayed shard allocation #18351 (issue: #18293)
- Limit retries of failed allocations per index #18467 (issue: #18417)
- Immutable ShardRouting #17821
- Add the shard’s store status to the explain API #17689 (issue: #17372)
- Write shard state metadata as soon as shard is created / initializing #16625 (issue: #14739)
- Reuse existing allocation id for primary shard allocation #16530 (issue: #14739)
- Remove version in ShardRouting (now obsolete) #16243 (issue: #14739)
- Prefer nodes that previously held primary shard for primary shard allocation #16096 (issue: #14739)
- Extend reroute with an option to force assign stale primary shard copies #15708 (issue: #14739)
- Allocate primary shards based on allocation IDs #15281 (issue: #14739)
- Persist currently started allocation IDs to index metadata #14964 (issue: #14739)
- Use ObjectParser to parse AllocationID #14962 (issue: #14831)
- Persist allocation ID with shard state metadata on nodes #14831 (issue: #14739)
- Analysis
-
- Stop using cached component in _analyze API #19929 (issue: #19827)
- Specify custom char_filters/tokenizer/token_filters in the analyze API #15671 (issue: #8878)
- Add a MultiTermAwareComponent marker interface to analysis factories. #19028 (issues: #18064, #9978)
- Add Flags Parameter for Char Filter #18363 (issue: #18362)
- Core: better error message when analyzer created without tokenizer or… #18455 (issue: #15492)
- Move AsciiFolding earlier in FingerprintAnalyzer filter chain #18281 (issue: #18266)
- Improve error message if resource files have illegal encoding #17237 (issue: #17212)
- Benchmark
-
- Add client-benchmark-noop-api-plugin to stress clients even more in benchmarks #20103
- CAT API
-
- Add health status parameter to cat indices API #20393
- Includes the index UUID in the _cat/indices API #19204 (issue: #19132)
- Add node name to Cat Recovery #18187 (issue: #8041)
- Add support for documented byte/size units and for micros as a time unit in _cat API #17779
- Add _cat/tasks #17551
- Cat health supports ts=0 option #13508 (issue: #10109)
- Expose http address in cat/nodes #16770
- [cat/recovery] Make recovery time a TimeValue() #16743 (issue: #9209)
- :CAT API: remove space at the end of a line #15250 (issue: #9464)
- CRUD
- Cache
- Circuit Breakers
- Cluster
-
- Add clusterUUID to RestMainAction output #20503
- Batch process node left and node failure #19289 (issue: #19282)
- Index creation waits for write consistency shards #18985
- Inline reroute with process of node join/master election #18938 (issue: #17270)
- Index creation does not cause the cluster health to go RED #18737 (issues: #9106, #9126)
- Cluster Health class improvements #18673
- Adds tombstones to cluster state for index deletions #17265 (issues: #16358, #17435)
- Enable acked indexing #17038 (issue: #7572)
- Cluster Health should run on applied states, even if waitFor=0 #17440
- Resolve index names to Index instances early #17048
- Remove DiscoveryNode#shouldConnectTo method #16898 (issue: #16815)
- Fail demoted primary shards and retry request #16415 (issue: #14252)
- Illegal shard failure requests #16275
- Shard failure requests for non-existent shards #16089 (issue: #14252)
- Add handling of channel failures when starting a shard #16041 (issue: #15895)
- Wait for new master when failing shard #15748 (issue: #14252)
- Master should wait on cluster state publication when failing a shard #15468 (issue: #14252)
- Split cluster state update tasks into roles #14899 (issue: #13627)
- Add timeout mechanism for sending shard failures #14707 (issue: #14252)
- Add listener mechanism for failures to send shard failed #14295 (issue: #14252)
- Core
-
- Add production warning for pre-release builds #20674
- Add serial collector bootstrap check #20558
- Rename Netty TCP transports thread factories from http_* to transport_* #20207
- Do not log full bootstrap checks exception #19989
- Mark halting the virtual machine as privileged #19923 (issues: #19272, #19806)
- Makes index creation more friendly #19450 (issue: #9126)
- Clearer error when handling fractional time values #19158 (issue: #19102)
- Read Elasticsearch manifest via URL #18999 (issue: #18996)
- Throw if the local node is not set #18963 (issue: #18962)
- Bootstrap check for OnOutOfMemoryError and seccomp #18756 (issue: #18736)
- Log OS and JVM on startup #18557
- Add GC overhead logging #18419
- Refactor JvmGcMonitorService for testing #18378
- Default to server VM and add client VM check #18155
- Add system bootstrap checks escape hatch #18088
- Avoid sliced locked contention in internal engine #18060 (issue: #18053)
- Add heap size bootstrap check #17728 (issue: #17490)
- Remove hostname from NetworkAddress.format #17601 (issue: #17604)
- Bootstrapping bootstrap checks #17595 (issues: #17474, #17570)
- Add max map count check #16944
- Remove PROTOTYPE from BulkItemResponse.Failure #17433 (issue: #17086)
- Throw an exception if Writeable.Reader reads null #17332
- Remove PROTOTYPE from RescorerBuilders #17330
- Port Primary Terms to master #17044 (issues: #14062, #14651, #17038)
- Use index UUID to lookup indices on IndicesService #17001
- Add -XX+AlwaysPreTouch JVM flag #16937
- Add max size virtual memory check #16935
- Use and test relative time in TransportBulkAction #16916
- Bump Elasticsearch version to 5.0.0-SNAPSHOT #16862
- Assert that we can write in all data-path on startup #16745
- Add G1GC check on startup #16737 (issue: #10740)
- Shards with heavy indexing should get more of the indexing buffer #14121
- Remove and ban ImmutableMap #13939 (issue: #13224)
- Finish banning ImmutableSet #13820 (issue: #13224)
- Removes and bans ImmutableSet #13754 (issue: #13224)
- Remove and ban ImmutableMap#entrySet #13724
- Forbid ForwardingSet #13720 (issue: #13224)
- Dates
- Discovery
- Engine
-
- Only try to read new segments info if we really flushed the index #20474
- Use _refresh instead of reading from Translog in the RT GET case #20102
- Remove writeLockTimeout from InternalEngine #16930
- Don’t guard IndexShard#refresh calls by a check to isRefreshNeeded #16118
- Never call a listerner under lock in InternalEngine #15786
- Use System.nanoTime() to initialize Engine.lastWriteNanos #14321
- Flush big merges automatically if shard is inactive #14275
- Remove Engine.Create #13955
- Remove the disabled autogenerated id optimization from InternalEngine #13857
- Exceptions
-
- Improve startup exception #20083
- Make NotMasterException a first class citizen #19385
- Do not catch throwable #19231
- Make the index-too-old exception more explicit #18438
- Add index name in IndexAlreadyExistsException default message #18274
- Fix typos in exception/assert/log messages in core module. #16649
- Add field names to several mapping errors #16508 (issue: #16378)
- Add serialization support for more important IOExceptions #15766
- Adds exception objects to log messages. #14827 (issue: #10021)
- Add stack traces to logged exceptions where missing #13825 (issue: #10021)
- Remove reflection hacks from ElasticsearchException #13796
- Rename QueryParsingException to a more generic ParsingException #13631
- Add *Exception(Throwable cause) constructors/ call where appropriate #13544 (issue: #10021)
- Expressions
- Geo
-
- GeoBoundingBoxQueryBuilder should throw IAE when topLeft and bottomRight are the same coordinate #18668 (issues: #18458, #18631)
- Enhanced lat/long error handling #16833 (issue: #16137)
- Fix a potential parsing problem in GeoDistanceSortParser #17111
- Geo: Add validation of shapes to ShapeBuilders #15551 (issue: #14416)
- Make remaining ShapeBuilders implement Writeable #15010 (issue: #14416)
-
Geo: Remove internal
translatedflag from LineStringBuilder #14969 - Make PointBuilder, CircleBuilder & EnvelopeBuilder implement Writable #14933 (issue: #14416)
- Merging BaseLineString and BasePolygonBuilder with subclass #14887 (issue: #14482)
- Moving static factory methods to ShapeBuilders #14529
- Remove InternalLineStringBuilder and InternalPolygonBuilder #14482 (issue: #14416)
- Highlighting
-
- Switch Highlighting to ObjectParser #17363
- Use HighlightBuilder in SearchSourceBuilder #15376 (issue: #15044)
- Joint parsing of common global Hightlighter and subfield parameters #15368 (issue: #15285)
- Enable HighlightBuilder to create SearchContextHighlight #15324
- Add fromXContent method to HighlightBuilder #15157
- Index APIs
- Index Templates
- Ingest
-
- Add "version" field to Pipelines #20343 (issue: #20171)
- Make it possible for Ingest Processors to access AnalysisRegistry #20233
- add ignore_missing option to convert,trim,lowercase,uppercase,grok,rename #20194 (issue: #19995)
- Add support for parameters to the script ingest processor #20136
- introduce the JSON Processor #20128 (issue: #20052)
- Allow rename processor to turn leaf fields into branch fields #20053 (issue: #19892)
- remove ability to set field value in script-processor configuration #19981
- Add REST _ingest/pipeline to get all pipelines #19603 (issue: #19585)
- Show ignored errors in verbose simulate result #19404 (issue: #19319)
- update foreach processor to only support one applied processor. #19402 (issue: #19345)
- Skip the execution of an empty pipeline #19200 (issue: #19192)
-
Add
ignore_failureoption to all ingest processors #18650 (issue: #18493) - new ScriptProcessor for Ingest #18193
- Expose underlying processor to blame for thrown exception within CompoundProcessor #18342 (issue: #17823)
- Avoid string concatentation in IngestDocument.FieldPath #18108
- add ability to specify multiple grok patterns #18074 (issue: #17903)
- add ability to disable ability to override values of existing fields in set processor #17902 (issue: #17659)
- Streamline option naming for several processors #17892 (issue: #17835)
- add automatic type conversion support to ConvertProcessor #17263 (issue: #17139)
- Give the foreach processor access to the rest of the document #17172 (issue: #17147)
- Added ingest statistics to node stats API #16915
-
Add
ingest_tookto bulk response #16876 - Add ingest info to node info API, which contains a list of available processors #16865
- Use diffs for ingest metadata in cluster state #16847
- hide null-valued metadata fields from WriteableIngestDocument#toXContent #16557
- Ingest: use bulk thread pool for bulk request processing (was index before) #16539 (issue: #16503)
- Add foreach processor #16432
- revert PipelineFactoryError handling with throwing ElasticsearchParseException in ingest pipeline creation #16355
- Add processor tags to on_failure metadata in ingest pipeline #16324 (issue: #16202)
- catch processor/pipeline factory exceptions and return structured error responses #16276 (issue: #16010)
- Ingest: move get/put/delete pipeline methods to ClusterAdminClient #16242
- Geoip processor: remove redundant latitude and longitude fields and make location an object with lat and lon subfields #16173
- Inner Hits
- Internal
-
- Remove poor-mans compression in InternalSearchHit and friends #20472
- Don’t register SearchTransportService handlers more than once #20468
- Unguice SearchModule #20456
- Deguice SearchService and friends #20423
- NodeStats classes to implement Writeable rather then Streamable #20327
- More info classes to implement Writeable rather than Streamable #20288 (issue: #20255)
- Internal: Split disk threshold monitoring from decider #20018
- Switching LockObtainFailedException over to ShardLockObtainFailedException #19991 (issue: #19978)
- update and delete by query requests to implement IndicesRequest.Replaceable #19961
- VersionFetchSubPhase should not use Versions#loadDocIdAndVersion #19944
- Remove useless PK lookup in IndicesTTLService #19945
- ignore some docker craziness in seccomp environment checks #19754
- Make Priority an enum #19448
- Snapshot UUIDs in blob names #19421 (issues: #18156, #18815, #19002, #7540)
- Add RestController method for deprecating in one step #19343
- Tighten ensure atomic move cleanup #19309 (issue: #19036)
- Enable checkstyle ModifierOrder #19214
- Expose task information from NodeClient #19189
- Changed rest handler interface to take NodeClient #19170
- Deprecate ExceptionsHelper.detailedMessage #19160 (issue: #19069)
- Factor out ChannelBuffer from BytesReference #19129
- Cleanup Compressor interface #19125
- Hot methods redux #19016 (issue: #16725)
- Remove forked joda time BaseDateTime class #18953
- Support optional ctor args in ConstructingObjectParser #18725
- Remove thread pool from page cache recycler #18664 (issue: #18613)
- Do not automatically close XContent objects/arrays #18549 (issue: #18433)
- Remove use of a Fields class in snapshot responses #18497
- Removes multiple toXContent entry points for SnapshotInfo #18494
- Removes unused methods in the o/e/common/Strings class #18346
- Determine content length eagerly in HttpServer #18203
- Consolidate query generation in QueryShardContext #18129
- Make reset in QueryShardContext private #18113
- Remove Strings#splitStringToArray #18110
- Add toString() to GetResponse #18102
- ConstructingObjectParser adapts ObjectParser for ctor args #17596 (issue: #17352)
- Makes Script type writeable #17908 (issue: #17753)
- FiltersAggregatorBuilder: Don’t create new context for inner parsing #17851
- Clean up serialization on some stats #17832 (issue: #17085)
- Normalize registration for SignificanceHeuristics #17830 (issue: #17085)
- Make (read|write)NamedWriteable public #17829 (issue: #17682)
- Use try-with-resource when creating new parser instances where possible #17822
- Don’t pass XContentParser to ParseFieldRegistry#lookup #17794
- Internal: Remove threadlocal from document parser #17764
- Cut range aggregations to registerAggregation #17757 (issue: #17085)
- Remove ParseFieldMatcher from AbstractXContentParser #17756 (issue: #17417)
- Remove parser argument from methods where we already pass in a parse context #17738
- Switch SearchAfterBuilder to writeGenericValue #17735 (issue: #17085)
- Remove StreamableReader #17729 (issue: #17085)
- Cleanup nested, has_child & has_parent query builders for inner hits construction #17719 (issue: #11118)
- Make AllocationCommands NamedWriteables #17661
- Isolate StreamableReader #17656 (issue: #17085)
- Create registration methods for aggregations similar to those for queries #17653 (issues: #17085, #17389)
- Remove PROTOTYPEs from QueryBuilders #17632 (issue: #17085)
- Remove registerQueryParser #17608
- ParseField#getAllNamesIncludedDeprecated to not return duplicate names #17504
- Rework a query parser and improve registration #17458
- Clean up QueryParseContext and don’t hold it inside QueryRewrite/ShardContext #17417
- Remove PROTOTYPE from MLT.Item #17481 (issue: #17085)
- Remove PROTOTYPE from VersionType #17480 (issue: #17085)
- Remove PROTOTYPEs from highlighting #17466 (issue: #17085)
- Remove PROTOTYPEs from ingest #17434 (issue: #17085)
- Start to rework query registration #17424
- Factor out slow logs into Search and IndexingOperationListeners #17398
- Remove PROTOTYPE from Suggesters #17370
- Remove PROTOTYPE from SortBuilders #17337 (issue: #17085)
- Remove PROTOTYPE from ShapeBuilders #17336 (issue: #17085)
- Replace FieldStatsProvider with a method on MappedFieldType. #17334
- Stop using PROTOTYPE in NamedWriteableRegistry #17284 (issue: #17085)
- Support scheduled commands in current context #17077
- Thread limits #17003
- Remove leniency from segments info integrity checks #16985 (issue: #16973)
- Rename SearchServiceTransportAction to SearchTransportService #16880
- Decouple the TransportService and ClusterService #16872 (issue: #16788)
- Refactor bootstrap checks #16844 (issues: #16733, #16835)
- Add LifecycleRunnable #16752
- Hot inlined methods in your area #16725
- Move IndicesQueryCache and IndicesRequestCache into IndicesService #16603
- Forbid use of java.security.MessageDigest#clone() #16543 (issue: #16479)
- Make IndicesWarmer a private class of IndexService #16470
- Simplify IndicesFieldDataCache and detach from guice #16469
- Uppercase ells (L) in long literals #16329 (issue: #16279)
- ShardId equality and hash code inconsistency #16319 (issue: #16217)
- Ensure all resources are closed on Node#close() #16316 (issue: #13685)
- Make index uuid available in Index, ShardRouting & ShardId #16217
- Move RefreshTask into IndexService and use since task per index #15933
- Make IndexingMemoryController private to IndicesService #15877
- Cleanup IndexingOperationListeners infrastructure #15875
- Remove and forbid use of j.u.c.ThreadLocalRandom #15862 (issue: #15294)
- Fix IntelliJ query builder type inference issues #15429
- Remove and forbid use of Collections#shuffle(List) and Random#<init>() #15299 (issue: #15287)
- Remove and forbid use of the type-unsafe empty Collections fields #15187
- Move IndicesService.canDeleteShardContent to use IndexSettings #15150 (issue: #15059)
- Simplify MonitorService construction and detach from guice #15035
- Use Supplier for StreamInput#readOptionalStreamable #14806
- Add variable-length long encoding #14780
- Extend usage of IndexSetting class #14731 (issue: #14251)
- Fold SimilarityModule into IndexModule #14284
- Move to lucene BoostQuery #14264
- Use built-in method for computing hash code of longs #14213
- Refactor ShardFailure listener infrastructure #14206
- Add methods for variable-length encoding integral arrays #14087
- Fold IndexAliasesService into IndexService #14044
- Remove unneeded Module abstractions #13944
- Query refactoring: simplify IndexQueryParserService parse methods #13938 (issue: #13859)
- Remove and forbid use of com.google.common.collect.Iterators #13916 (issue: #13224)
- Remove and forbid use of com.google.common.collect.ImmutableCollection #13909 (issue: #13224)
- Remove and forbid use of com.google.common.io.Resources #13908 (issue: #13224)
- Remove and forbid use of com.google.common.hash.* #13907 (issue: #13224)
- Remove and forbid use of com.google.common.net.InetAddresses #13905 (issue: #13224)
- Remove and forbid use of com.google.common.collect.EvictingQueue #13903 (issue: #13224)
- Replace Guava cache with simple concurrent LRU cache #13879
- Remove ClusterSerivce and IndexSettingsService dependency from IndexShard #13853
- Start making RecoverySourceHandler unittestable #13840
- Remove IndexService dep. from IndexShard #13797
- Remove ES internal deletion policies in favour of Lucenes implementations #13794
- Move ShardTermVectorService to be on indices level as TermVectorService #13786
- Move ShardPercolateService creation into IndexShard #13777
-
Remove
ExpressionScriptCompilationExceptionandExpressionScriptExecutionException#13742 - Reduced the number of ClusterStateUpdateTask variants #13735
- Add a BaseParser helper for stream parsing #13615
- Remove and forbid use of com.google.common.primitives.Ints #13596 (issue: #13224)
- Remove and forbid use of com.google.common.math.LongMath #13575 (issue: #13224)
- Remove and forbid use of com.google.common.base.Joiner #13572 (issue: #13224)
- Replace and ban next batch of Guava classes #13562 (issue: #13224)
- Remove and forbid use of com.google.common.collect.Iterables #13559 (issue: #13224)
- Replace LoadingCache usage with a simple ConcurrentHashMap #13552 (issue: #13224)
- Use Supplier instead of Reflection #13545
- Remove and forbid use of com.google.common.base.Preconditions #13540 (issue: #13224)
- Remove and forbid use of guava Function, Charsets, Collections2 #13533 (issue: #13224)
- Remove and forbid use of com.google.common.collect.ImmutableSortedMap #13525 (issue: #13224)
- Remove and forbid use of several com.google.common.util. classes #13524 (issue: #13224)
- Cleanup SearchRequest & SearchRequestBuilder #13518
- Remove and forbid use of com.google.common.collect.Queues #13498 (issue: #13224)
- Remove and forbid use of com.google.common.base.Preconditions#checkNotNull #13493 (issue: #13224)
- Remove and forbid use of com.google.common.collect.Sets #13463 (issue: #13224)
- Remove and forbid use of com.google.common.collect.Maps #13438 (issue: #13224)
- Remove use of underscore as an identifier #13353
- Remove and forbid the use of com.google.common.base.Predicate(s)? #13349 (issues: #13224, #13314)
- This commit removes com.google.common.io #13302 (issue: #13224)
- Java API
-
- Ensure PutMappingRequest.buildFromSimplifiedDef input are pairs #19837 (issue: #19836)
- Start from a random node number so that clients do not overload the first node configured #14143
- Switch QueryBuilders to new MatchPhraseQueryBuilder #18753
-
Improve adding clauses to
span_nearandspan_orquery #18485 (issue: #18478) - QueryBuilder does not need generics. #18133
- Remove copy constructors from request classes and TransportMessage type #16640 (issue: #15776)
- Java REST Client
-
- Add support for a RestClient path prefix #20190
- Add "Async" to the end of each Async RestClient method #20172 (issue: #20168)
- Allow RestClient to send array-based headers #20151
- Add response body to ResponseException error message #19653 (issue: #19653)
- Simplify Sniffer initialization and automatically create the default HostsSniffer #19599
- Remove duplicate dependency declaration for http client #19580 (issue: #19281)
- Add callback to customize http client settings #19373
- Rest Client: add short performRequest method variants without params and/or body #19340 (issue: #19312)
- Logging
-
- Ensure logging is initialized in CLI tools #20575
- Give useful error message if log config is missing #20493
- Complete Elasticsearch logger names #20457 (issue: #20326)
- Add node name to decider trace logging #20437 (issue: #20379)
- Logging shutdown hack #20389 (issue: #20304)
- Disable console logging #20387
- Skip loading of jansi from log4j2 #20334
- Configure AWS SDK logging configuration #20313 (issue: #20294)
- Warn if unsupported logging configuration present #20309
- Size limit deprecation logs #20287 (issues: #20235, #20254)
- Increase visibility of deprecation logger #20254 (issue: #11033)
- Add log message about enforcing bootstrap checks #19451
- Improve logging for batched cluster state updates #19255
- Send HTTP Warning Header(s) for any Deprecation Usage from a REST request #17804 (issue: #17687)
- Throw IllegalStateException when handshake fails due to version or cluster mismatch #18676
- Mapping
-
- Automatically downgrade text and keyword to string on indexes imported from 2.x #20177
-
Do not parse numbers as both strings and numbers when not included in
_all. #20167 -
Don’t index the
_versionfield #20132 -
The root object mapper should support updating
numeric_detection,date_detectionanddynamic_date_formats. #20119 (issue: #20111) -
Automatically upgrade analyzed string fields that have
index_optionsorposition_increment_gapset. #20002 (issue: #19974) - Mappings: Support dots in field names in mapping parsing #19899 (issue: #19443)
- Save one utf8 conversion in KeywordFieldMapper. #19867
- Do not parse the created version from the settings every time a field is parsed. #19824
-
Elasticsearch should reject dynamic templates with unknown
match_mapping_type. #17285 (issue: #16945) -
Upgrade
stringfields totext/keywordeven ifinclude_in_allis set. #19004 (issue: #18974) - Adds a methods to find (and dynamically create) the mappers for the parents of a field with dots in the field name #18106 (issue: #15951)
-
Automatically upgrade analyzed strings with an analyzer to
text. #17861 - Support dots in field names when mapping already exists #17759 (issue: #15951)
- Use the new points API to index numeric fields. #17746 (issues: #11513, #16751, #17007, #17700)
- Simplify AllEntries, AllField and AllFieldMapper: #17613
-
Make
parseMultiFieldpart ofparseField. #17313 - Automatically add a sub keyword field to string dynamic mappings. #17188
- Remove friction from the mapping changes in 5.0. #16991
- Rework norms parameters for 5.0. #16987
- Moved dynamic field handling in doc parsing to end of parsing #16798
- Remove the MapperBuilders utility class. #16609
-
Make the
indexproperty a boolean. #16161 -
Remove the ability to enable doc values with the
fielddata.formatsetting. #16147 - Be stricter about parsing boolean values in mappings. #16146
- Fix default doc values to be enabled when a field is not indexed. #16141
- Dynamically map floating-point numbers as floats instead of doubles. #15319 (issue: #13851)
- Simplify MetaDataMappingService. #15217
- Remove MergeMappingException. #15177
- Network
-
- Avoid early initializing Netty #19819 (issue: #5644)
- Network: Allow to listen on virtual interfaces. #19568 (issues: #17473, #19537)
- Explicitly tell Netty to not use unsafe #19786 (issues: #19562, #5624)
- Enable Netty 4 extensions #19767 (issue: #19526)
- Modularize netty #19392
- Simplify TcpTransport interface by reducing send code to a single send method #19223
- Do not start scheduled pings until transport start #18702
- Packaging
-
- Add quiet option to disable console logging #20422 (issues: #15315, #16159, #17220)
- Explicitly disable Netty key set replacement #20249
- Remove explicit parallel new GC flag #18767
- Use JAVA_HOME or java.exe in PATH like the Linux scripts do #18685 (issue: #4913)
- Don’t mkdir directly in deb init script #18503 (issue: #18307)
- Increase default heap size to 2g #18311 (issues: #16334, #17686, #18309)
- Switch init.d scripts to use bash #18308 (issue: #18259)
- Switch scripts to use bash #18251 (issue: #14002)
- Further simplifications of plugin script #18239 (issue: #18207)
- Pass ES_JAVA_OPTS to JVM for plugins script #18140 (issue: #16790)
- Remove unnecessary sleep from init script restart #17966
- Explicitly set packaging permissions #17912 (issue: #17634)
-
rpm uses non-portable
--systemflag touseradd#14596 (issue: #14211) - Adding JAVA_HOME to documents and env config file #11338 (issue: #11291)
- Added RPM metadata #17477
- Elasticsearch ownership for data, logs, and configs #17197 (issue: #12688)
- Fail early on JDK with compiler bug #16418 (issues: #16097, #16362)
- Make security non-optional #16176
- Remove RuntimePermission("accessDeclaredMembers") #15378
- Remove Guava as a dependency #14055 (issue: #13224)
- Remove Guava as a dependency #14054 (issue: #13224)
- Percolator
-
- Also support query term extract for queries wrapped inside a FunctionScoreQuery #19184
- Add support for synonym query to percolator query term extraction #19066
- Add percolator query extraction support for dismax query #18845
- Improve percolate query performance by not verifying certain candidate matches #18696
- Improve percolator query term extraction #18610
- PercolatorQueryBuilder cleanup by using MemoryIndex#fromDocument(…) helper #17669 (issue: #9386)
- Add scoring support to the percolator query #17385 (issue: #13827)
- Add query extract support for the blended term query and the common terms query #17347
- Add support for several span queries in ExtractQueryTermsService #17323
- Add support for TermsQuery in ExtractQueryTermsService #17316
- Replace percolate APIs with a percolator query #16349 (issues: #10741, #11264, #13176, #13978, #4317, #7297)
- Plugin Analysis Kuromoji
-
- Add nbest options and NumberFilter #17173
- Plugin Discovery EC2
- Plugin Discovery GCE
- Plugin Ingest Attachment
-
- Minor attachment processor improvements #16574
- Plugin Lang Painless
-
- Disable regexes by default in painless #20427 (issue: #20397)
- Catch OutOfMemory and StackOverflow errors in Painless #19936
- Change Painless Tree Structure for Variable/Method Chains #19459
- Add replaceAll and replaceFirst #19070
- Painless Initializers #19012
- Add augmentation #19003
- Infer lambda arguments/return type #18983
- Fix explicit casts and improve tests. #18958
- Add lambda captures #18954
- improve Debugger to print code even if it hits exception #18932 (issue: #1)
- Move semicolon hack into lexer #18931
- Add flag support to regexes #18927
- improve lambda syntax (allow single expression) #18924
- Remove useless dropArguments in megamorphic cache #18913
- non-capturing lambda support #18911 (issue: #18824)
- fix bugs in operators and more improvements for the dynamic case #18899
- improve unary operators and cleanup tests #18867 (issue: #18849)
- Add support for the find operator (=~) and the match operator (==~) #18858
- Remove casts and boxing for dynamic math #18849 (issue: #18847)
- Refactor def math #18847
- Add support for /regex/ #18842
- Array constructor references #18831
- Method references to user functions #18828
- Add } as a delimiter. #18827 (issue: #18821)
- Add Lambda Stub Node #18824
- Add capturing method references #18818 (issue: #18748)
- Add Functions to Painless #18810
- Add Method to Get New MethodWriters #18771
- Static For Each #18757
- Method reference support #18748 (issue: #18578)
- Add support for the new Java 9 MethodHandles#arrayLength() factory #18734
- Improve painless compile-time exceptions #18711 (issue: #18600)
- add java.time packages to painless whitelist #18621
- Add Function Reference Stub to Painless #18578
- improve painless whitelist coverage of java api #18533
- Definition cleanup #18463
- Made def variable casting consistent with invokedynamic rules #18425
- Use Java 9 Indy String Concats, if available #18400 (issue: #18398)
- Add method overloading based on arity #18385
- Refactor WriterUtils to extend ASM GeneratorAdapter #18382
- Whitelist expansion #18372
- Remove boxing when loading and storing values in "def" fields/arrays, remove boxing onsimple method calls of "def" methods #18359
- Some cleanups #18352
- Use isAssignableFrom instead of relying on ClassCastException #18350
- Build descriptor of array and field load/store in code #18338
- Rename the dynamic call site factory to DefBootstrap #18335
- Cleanup of DynamicCallSite #18323
- Improve exception stacktraces #18319
- Make Line Number Available in Painless #18298
- Remove input, support params instead #18287
- Decouple ANTLR AST from Painless #18286
- _value support in painess? #18284
- Long priority over Float #18282
- _score as double, not float #18277
- Add ctx keyword to painless. #18264
- Painless doc access #18262
- Retrieve _score directly from Scorer #18258
- Implement needsScore() correctly. #18247
- Add synthetic length property as alias to Lists, so they can be used like arrays #18241
- Use better typing for dynamic method calls #18234
- Array load/store and length with invokedynamic #18232 (issue: #18201)
- Switch painless dynamic calls to invokedynamic, remove perf hack/cheat #18201
- Add fielddata accessors (.value/.values/.distance()/etc) #18169
- painless: optimize/simplify dynamic field and method access #18151
- Painless: Single-Quoted Strings #18150
- Painless Clean Up #17428
- Make Painless a Module #16755
- Minor Clean up #16457
- Remove Extra String Concat Token #16382
- Plugin Mapper Attachment
-
- minor attachments cleanups: IDE test support and EPUB format #14626
- Plugin Mapper Size
- Plugin Repository Azure
- Plugin Repository HDFS
-
- merge current hdfs improvements to master #15588
- Plugin Repository S3
- Plugins
-
- Revert "Display plugins versions" #20807 (issues: #18683, #20668)
- Provide error message when plugin id is missing #20660
- Print message when removing plugin with config #20338
- Plugins: Update official plugin location with unified release #19996
- Allow plugins to upgrade global custom metadata on startup #19962
- Switch aggregations from push to pull #19839
- Display plugins versions #18683
- Add ScriptService to dependencies available for plugin components #19770
- Make NamedWriteableRegistry immutable and add extension point for named writeables #19764
- Log one plugin info per line #19441
- Make rest headers registration pull based #19440
- Add resource watcher to services available for plugin components #19401
- Add some basic services to createComponents for plugins #19380
- Make plugins closeable #19137
- Plugins: Add status bar on download #18695
- Add did-you-mean for plugin cli #18942 (issue: #18896)
- Plugins: Remove name() and description() from api #18906
- Emit nicer error message when trying to install unknown plugin #18876 (issue: #17226)
- Add plugin information for Verbose mode #18051 (issue: #16375)
- Cli: Improve output for usage errors #17938
- Cli: Add verbose output with zip url when installing plugin #17662 (issue: #17529)
- PluginManager: Add xpack as official plugin #17227
- CliTool: Cleanup and document Terminal #16443
- Plugin cli: Improve maven coordinates detection #16384 (issue: #16376)
- Enforce plugin zip does not contain zip entries outside of the plugin dir #16361
- CliTool: Allow unexpected exceptions to propagate #16359
- Reduce complexity of plugin cli #16336
- Remove Plugin.onIndexService. #15029 (issue: #14896)
- Open up QueryCache and SearcherWrapper extension points #14303
- Query DSL
-
- Throw exception when multiple field names are provided as part of query short syntax #19871 (issue: #19791)
- Query parsers to throw exception when multiple field names are provided #19791 (issue: #19547)
-
Allow empty json object in request body in
_countAPI #19595 (issue: #19422) -
Treat zero token in
commonterms query as MatchNoDocsQuery #18656 - Handle empty query bodies at parse time and remove EmptyQueryBuilder #17624 (issues: #17540, #17541)
- Enforce MatchQueryBuilder#maxExpansions() to be strictly positive #18464
-
Don’t allow
fuzzinessformulti_matchtypescross_fields,phraseandphrase_prefix#18322 (issues: #6866, #7764) - Add MatchNoDocsQuery, a query that matches no documents and prints the reason why in the toString method. #17780
-
Adds
ignore_unmappedoption to geo queries #17751 -
Adds
ignore_unmappedoption to nested and P/C queries #17748 - SimpleQueryParser should call MappedFieldType.termQuery when appropriate. #17678
-
An
existsquery on an object should query a single term. #17186 (issue: #17131) - Function Score Query: make parsing stricter #16617 (issue: #16583)
- Parsers should throw exception on unknown objects #14255 (issue: #10974)
- UNICODE_CHARACTER_CLASS fix #11598 (issue: #10146)
- Query Refactoring
- REST
-
- Add a REST spec for the create API #20924
- Add response params to REST params did you mean #20753 (issues: #20722, #20747)
- Add did you mean to strict REST params #20747 (issue: #20722)
- Add exclusion support to response filtering #19865
- Only write forced_refresh if we forced a refresh #19669 (issue: #19629)
- Add Location header to the index, update, and create APIs #19509 (issue: #19079)
-
Add support for
wait_for_eventsto the_cluster/healthREST endpoint #19432 (issue: #19419) - Rename Search Template REST spec names #19178
- Adding status field in _msearch error request bodies #18586 (issue: #18013)
- Add semicolon query string parameter delimiter #18186 (issue: #18175)
- Enable HTTP compression by default with compression level 3 #18066 (issue: #7309)
- Allow JSON with unquoted field names by enabling system property #17801 (issue: #17674)
- More robust handling of CORS HTTP Access Control #16092
- Add option to exclude based on paths in XContent #16017
- Recovery
-
- Pass on maxUnsafeAutoIdTimestamp on recovery / relocation #20300
- Non-blocking primary relocation hand-off #19013 (issues: #15900, #18553)
- index shard should be able to cancel check index on close. #18839 (issue: #12011)
- TransportNodesListGatewayStartedShards should fall back to disk based index metadata if not found in cluster state #17663 (issue: #17630)
- Recover broken IndexMetaData as closed #17187
- Relocation source should be marked as relocating before starting recovery to primary relocation target #16500
- Operation counter for IndexShard #15956 (issue: #15900)
- Primary relocation handoff #15900 (issues: #15532, #16274, #19013)
- Remove recovery threadpools and throttle outgoing recoveries on the master #15372
- Refactor StoreRecoveryService to be a simple package private util class #13766
- Reindex API
-
-
Only ask for
_versionwe need it #19693 (issue: #19135) - Use fewer threads when reindexing-from-remote #19636
- Support authentication with reindex-from-remote #19310
- Support requests_per_second=-1 to mean no throttling in reindex #19101 (issue: #19089)
- Implement ctx.op = "delete" on _update_by_query and _reindex #18614 (issue: #18043)
- Make Reindex cancellation tests more uniform #18498
- Makes DeleteByQueryRequest implements IndicesRequest #18466
- Teach reindex to retry on search failures #18331 (issue: #18059)
- Remove ReindexResponse in favor of BulkIndexByScrollResponse #18205
- Stricter validation of Reindex’s requests_per_second #18028
- Properly mark reindex’s child tasks as child tasks #17770
- Make reindex throttling dynamic #17262
- Throttling support for reindex #17039
- Add ingest pipeline support to reindex #16932
-
Only ask for
- Scripting
-
- Parse script on storage instead of on retrieval #20356
- Migrate elasticsearch native script examples to the main repo #19334 (issue: #14662)
- Remove ClusterState from compile api #19136
- Mustache: Render Map as JSON #18856 (issue: #18970)
- Compile each Groovy script in its own classloader #18918 (issue: #18572)
- Include script field even if it value is null #18384 (issue: #16408)
- Skipping hidden files compilation for script service #16286 (issue: #15269)
- Rename Plan A to Painless #16245
- Add plumbing for script compile-time parameters #15464
- Factor mustache → modules/lang-mustache #15328
- Scroll
-
- Add an index setting to limit the maximum number of slices allowed in a scroll request. #18782
- Search
-
- Limit batch size when scrolling #19367 (issue: #19249)
- Record method counts while profiling query components #18302
- Change default similarity to BM25 #18948 (issue: #18944)
- Add a parameter to cap the number of searches the msearch api will concurrently execute #18721
- Introduces GeoValidationMethod to GeoDistanceSortBuilder #18036
- Switches from empty boolean query to matchNoDocs #18007 (issue: #17981)
- Allow binary sort values. #17959 (issues: #17971, #6077)
- Fail query if it contains very large rescores #17917 (issue: #17522)
- Type filters should not have a performance impact when there is a single type. #17350
- Store _all payloads on 1 byte instead of 4. #16899
-
Refuse to load fields from _source when using the
fieldsoption and support wildcards. #15017 (issues: #10783, #14489) - Add response into ClearScrollResponse #13835 (issue: #13817)
- Shuffle shards for _only_nodes + support multiple specifications like cluster API #12575 (issues: #12546, #12700)
- Search Refactoring
-
- Removes the now obsolete SearchParseElement implementations #18233
- Remove RescoreParseElement #17441
- Remove HighlighterParseElement #17303
- Move top level parsing of sort element to SortBuilder #17248
- Switch to using refactored SortBuilder instead of using BytesReference in serialization #17205 (issues: #17146, #17257)
- Add build() method to SortBuilder implementations #17146 (issue: #10217)
- Refactoring of Suggestions #17096 (issue: #10217)
-
Move sort
orderfield up into SortBuilder #17035 - Moves SortParser:parse(…) to only require QueryShardContext #16999 (issue: #15178)
- Change internal representation of suggesters #16873
- Make GeoDistanceSortBuilder serializable, 2nd try #16572 (issues: #15178, #16151)
- Move missing() from SortBuilder interface to class #16225 (issues: #15178, #16151)
- Remove deprecated parameters from ScriptSortBuilder #16153 (issue: #15178)
- Refactor GeoSortBuilder #16151 (issue: #15178)
- Refactor FieldSortBuilder #16127 (issue: #15178)
- Make sort order enum writable. #16124 (issue: #15178)
- Make DistanceUnit writable. #16122 (issue: #15178)
- RescoreBuilder: Add parsing and creating of RescoreSearchContext #16014 (issue: #15559)
- Make RescoreBuilder and nested QueryRescorer Writable #15953 (issue: #15559)
- Explain api: move query parsing to the coordinating node #14270
- Switch query parsers to use ParseField #14249 (issue: #8964)
- Refactoring of Aggregations #14136
- Sequence IDs
- Settings
-
- Add precise logging on unknown or invalid settings #20951 (issue: #20946)
-
Make
action.auto_create_indexsetting a dynamic cluster setting #20274 (issue: #7513) - Removes space between # and the setting in elasticsearch.yml #20094 (issue: #20090)
- Validates new dynamic settings from the current state #19122 (issue: #19046)
- Improve error message if a setting is not found #18920 (issue: #18663)
- Cleanup placeholder replacement #17335
- Switch to registered Settings for all IndexingMemoryController settings #17778 (issue: #17442)
- Add guard against null-valued settings #17310 (issue: #17292)
- Useful error message for null property placeholder #17293 (issue: #17292)
- Archive cluster level settings if unknown or broken #17246
- Improve error message if setting is not found #17230
- Improve upgrade experience of node level index settings #17223 (issue: #17187)
- Settings with complex matchers should not overlap #16754
- Moves GCE settings to the new infra #16722 (issue: #16720)
- Add filtering support within Setting class #16629 (issue: #16598)
- Migrate AWS settings to new settings infrastructure #16602 (issue: #16293)
-
Remove
gateway.initial_metaand always rely on min master nodes #16446 - Rewrite SettingsFilter to be immutable #16425
- Simplify azure settings #16363
- Convert PageCacheRecycler settings #16341
- Monitor settings #16313
- Cut over tribe node settings to new settings infra #16311
- Convert multcast plugin settings to the new infra #16295
-
Convert
request.headers.*to the new settings infra #16292 - Migrate Azure settings to new settings infrastructure #16291
- Validate logger settings and allow them to be reset via API #16289
- Switch NodeEnvironment’s settings to new settings #16273
- Simplify AutoCreateIndex and add more tests #16270
- Convert several pending settings #16269
- Migrate query caching settings to the new settings infra. #16267
-
Convert
action.auto_create_indexandaction.master.force_localto the new settings infra #16263 -
Convert
cluster.routing.allocation.typeandprocessorsto the new settings infra. #16238 - Validate tribe node settings on startup #16237
- Move node.client, node.data, node.master, node.local and node.mode to new settings infra #16230
- Moved http settings to the new settings infrastructure #16188
- Migrate network service to the new infra #16187
- Convert client.transport settings to new infra #16183
- Move discovery.* settings to new Setting infrastructure #16182
- Change over to o.e.common.settings.Setting for http settings #16181
- Convert "path.*" and "pidfile" to new settings infra #16180
- Migrate repository settings to the new settings API #16178
- Convert "indices.*" settings to new infra. #16177
- Migrate gateway settings to the new settings API. #16175
- Convert several node and test level settings #16172
- Run Metadata upgrade tool on every version #16168
- Check for invalid index settings on metadata upgrade #16156
-
Validate the settings key if it’s simple chars separated by
.#16120 - Validate known global settings on startup #16091
- Cut over all index scope settings to the new setting infrastrucuture #16054 (issues: #12790, #12854, #16032, #6732)
-
Remove updatability of
index.flush_on_close#15964 (issue: #15955) - Move all dynamic settings and their config classes to the index level #15955 (issue: #6732)
- Always require units for bytes and time settings #15948 (issue: #11437)
- Make MetaData parsing less lenient. #15828
- Move async translog sync logic into IndexService #15584
-
Remove
index.merge.scheduler.notify_on_failureand default totrue#15572 (issue: #15570) - Remove cache concurrency level settings that no longer apply #14210 (issues: #13224, #13717, #7836)
- Similarities
- Snapshot/Restore
-
- Delete differing files in the store before restoring #20220 (issue: #20148)
- Adds ignoreUnavailable option to the snapshot status API #20066 (issue: #18522)
- Check restores in progress before deleting a snapshot #19853
- Snapshot repository cleans up empty index folders #19751
- BlobContainer#writeBlob no longer can overwrite a blob #19749 (issue: #15579)
- More resilient blob handling in snapshot repositories #19706 (issues: #18156, #18815, #19421, #7540)
- Adding repository index generational files #19002 (issue: #18156)
- Raised IOException on deleteBlob #18815 (issue: #18530)
- Adds UUIDs to snapshots #18228 (issue: #18156)
- Clarify the semantics of the BlobContainer interface #18157 (issue: #15580)
- Change BlobPath.buildAsString() method #18461
- Remove the Snapshot class in favor of using SnapshotInfo #18167 (issue: #18156)
- Stats
-
- Add mem section back to cluster stats #20255 (issue: #17278)
- Add network types to cluster stats #20144
- Add missing field type in the FieldStats response. #19241 (issue: #17750)
- Expose the ClusterInfo object in the allocation explain output #19106 (issue: #14405)
- Add total_indexing_buffer/_in_bytes to nodes info API #18914 (issue: #18651)
- Allow FieldStatsRequest to disable cache #18900
- Remove index_writer_max_memory stat from segment stats #18651 (issues: #14121, #7440)
- Move DocStats under Engine to get more accurate numbers #18587
- Do not return fieldstats information for fields that exist in the mapping but not in the index. #18212 (issue: #17980)
- Add whether the shard state fetch is pending to the allocation explain API #18119 (issue: #17372)
- Add Failure Details to every NodesResponse #17964 (issue: #3740)
- Add I/O statistics on Linux #15915 (issue: #15296)
- Add points to SegmentStats. #17775 (issue: #16974)
- Remove FieldStats.Float. #17749
- Show configured and remaining delay for an unassigned shard. #17515 (issue: #17372)
- indexing stats now contain indexing ops from recovery [ISSUE] #17412
- Normalize unavailable load average #16061 (issues: #12049, #14741, #15907, #15932, #15934)
- Add load averages to OS stats on FreeBSD #15934 (issue: #15917)
- Expose pending cluster state queue size in node stats #14040 (issue: #13610)
- Store
- Suggesters
- Task Manager
-
- Rename Task Persistence into Storing Task Results #19982
- Fetch result when wait_for_completion #18905
- Create get task API that falls back to the .tasks index #18682
- Add ability to store results for long running tasks #17928
- Move parentTaskId into TransportRequest #17872
- Shorten the serialization of the empty TaskId #17870
- Expose whether a task is cancellable in the _tasks list API #17464 (issue: #17369)
- Add ability to group tasks by common parent #17341
- Add start time and duration to tasks #16829
- Combine node name and task id into single string task id #16744
- Add task status #16356 (issue: #16344)
- Extend tracking of parent tasks to master node, replication and broadcast actions #15931
- Translog
-
- Fsync documents in an async fashion #20145
- Add checksumming and versions to the Translog’s Checkpoint files #19797
- Beef up Translog testing with random channel exceptions #18997
- Do not replay into translog on local recovery #18547
- FSync translog outside of the writers global lock #18360
- Remove ChannelReference and simplify Views #15898
- Simplify TranslogWriter to always write to a stream #15771
- Remove TranslogService and fold it into synchronous IndexShard API #13707
Bug fixes
edit- Aggregations
-
- Fixed writeable name from range to geo_distance #20860
- Fix date_range aggregation to not cache if now is used #20740
-
The
top_hitsaggregation should compile scripts only once. #20738 - Fix agg profiling when using breadth_first collect mode #20156
- Throw exception when maxBounds greater than minBounds #19855 (issue: #19833)
-
Undeprecates
aggsin the search request #19674 (issue: #19504) -
Change how
nestedandreverse_nestedaggs know about their nested depth level #19550 (issues: #11749, #12410) - Make ExtendedBounds immutable #19490 (issue: #19481)
- Aggregations fix: support include/exclude strings for IP and dates #18408 (issue: #17705)
- Fix xcontent rendering of ip terms aggs. #18003 (issue: #17971)
- Improving parsing of sigma param for Extended Stats Bucket Aggregation #17562 (issue: #17499)
- Fixes NPE when no window is specified in moving average request #17556 (issue: #17516)
- Fixes Filter and FiltersAggregation to work with empty query #17542 (issue: #17518)
-
Fixes the defaults for
keyedin the percentiles aggregations #17217 - Correct typo in class name of StatsAggregator #15264 (issue: #14730)
- Allocation
-
- Keep a shadow replicas' allocation id when it is promoted to primary #20863 (issue: #20650)
- IndicesClusterStateService should clean local started when re-assigns an initializing shard with the same aid #20687
- IndexRoutingTable.initializeEmpty shouldn’t override supplied primary RecoverySource #20638 (issue: #20637)
- Update incoming recoveries stats when shadow replica is reinitialized #20612
-
index.routing.allocation.initial_recoverylimits replica allocation #20589 - Upon being elected as master, prefer joins' node info to existing cluster state #19743
- Fix NPE when initializing replica shard has no UnassignedInfo #19491 (issue: #19488)
- Make shard store fetch less dependent on the current cluster state, both on master and non data nodes #19044 (issue: #18938)
- Fix recovery throttling to properly handle relocating non-primary shards #18701 (issue: #18640)
- Replica shards must be failed before primary shards #15686
- Analysis
- Bulk
- CAT API
- CRUD
-
-
GET operations should not extract fields from
_source. #20158 (issues: #15017, #20102) - Squash a race condition in RefreshListeners #18806
- Prevent TransportReplicationAction to route request based on stale local routing table #16274 (issues: #12573, #12574)
- Resolves the conflict between alias routing and parent routing by applying the alias routing and ignoring the parent routing. #15371 (issue: #3068)
-
GET operations should not extract fields from
- Cache
- Circuit Breakers
- Cluster
-
- Fixes issue with dangling index being deleted instead of re-imported #19666
- Allow routing table to be filtered by index pattern #19688
- Use executor’s describeTasks method to log task information in cluster service #19531
- Acknowledge index deletion requests based on standard cluster state acknowledgment #18602 (issues: #16442, #18558)
- Dangling indices are not imported if a tombstone for the index exists #18250 (issue: #18249)
- Fix issue with tombstones matching active indices in cluster state #18058 (issue: #18054)
- Shard state action channel exceptions #16057 (issue: #15748)
- Core
-
-
Makes
mcase sensitive in TimeValue #19649 (issue: #19619) - Guard against negative result from FileStore.getUsableSpace when picking data path for a new shard #19554
- Handle rejected execution exception on reschedule #19505
- Fix concurrency bug in IMC that could cause it to check too infrequently #18357
- Iterables.flatten should not pre-cache the first iterator #18355 (issue: #18353)
- Avoid race while retiring executors #18333
- Refactor UUID-generating methods out of Strings #17837 (issue: #17819)
- Node names cleanup #17723 (issue: #17718)
- NullPointerException from IndexingMemoryController when a version conflict happens during recovery #17569
- Handle RejectedExecution gracefully in TransportService during shutdown #16965
-
Makes
- Discovery
- Engine
- Expressions
-
- replace ScriptException with a better one #18600
- Geo
- Highlighting
- Index APIs
- Ingest
-
- no null values in ingest configuration error messages #20616
- JSON Processor was not properly added #20613
- Don’t rebuild pipeline on every cluster state update #20189
- Add dotexpander processor #20078
- Fix NPE when simulating a pipeline with no id #19650
- Change foreach processor to use ingest metadata for array element #19609 (issue: #19592)
- No other processors should be executed after on_failure is called #19545
- rethrow script compilation exceptions into ingest configuration exceptions #19318
-
Rename from
ingest-useragentplugin toingest-user-agentand its processor fromuseragenttouser_agent#19261 - Fix ignore_failure behavior in _simulate?verbose and more cleanup #18987
- Pipeline Stats: Fix concurrent modification exception #18177 (issue: #18126)
- Validate properties values according to database type #17940 (issue: #17683)
- Ingest does not close its factories #17626 (issue: #17625)
- Handle regex parsing errors in Gsub and Grok Processors #17260
- add on_failure exception metadata to ingest document for verbose simulate #16562
- The IngestDocument copy constructor should make a deep copy #16248 (issue: #16246)
- Inner Hits
- Internal
-
- Prevent AbstractArrays from release bytes more than once #20819
- IndicesAliasesRequest should not implement CompositeIndicesRequest #20726
- Ensure elasticsearch doesn’t start with unuspported indices #20514 (issue: #20512)
- Remove ListTasksResponse#setDiscoveryNodes() #19773 (issue: #19772)
- Priority values should be unmodifiable #19447
- Extract AbstractBytesReferenceTestCase #19141
- Add XPointValues #18011 (issue: #18010)
- Fix BulkItemResponse.Failure.toString #17871
- Enable unmap hack for java 9 #16986 (issue: #1)
- Fix issues with failed cache loads #14315
- Allow parser to move on the START_OBJECT token when parsing search source #14145
- Ensure searcher is release if wrapping fails #14107
- Avoid deadlocks in Cache#computeIfAbsent #14091 (issue: #14090)
- Java API
- Java REST Client
- Logging
-
- Fix logger when you can not create an azure storage client #20670 (issues: #20633, #20669)
- Avoid unnecessary creation of prefix loggers #20571 (issue: #20570)
- Fix logging hierarchy configs #20463
- Fix prefix logging #20429
- Hack around Log4j bug rendering exceptions #20306 (issue: #20304)
- Avoid prematurely triggering logger initialization #20170
- Only log running out of slots when out of slots #19637
- Mapping
-
- Allow position_gap_increment for fields in indices created prior to 5.0 #20806 (issues: #19510, #20413)
- Validate blank field name #19860 (issue: #19251)
- Better error message when mapping configures null #18809 (issue: #18803)
- Make doc_values accessible for _type #18220
-
Fix and test handling of
null_value. #18090 (issue: #18085) -
Fail automatic string upgrade if the value of
indexis not recognized. #18082 (issue: #18062) - Fix dynamic check to properly handle parents #17864 (issues: #17644, #17854)
- Fix array parsing to remove its context when finished parsing #17768
- Disallow fielddata loading on text fields that are not indexed. #17747
- Make dynamic template parsing less lenient. #17249
- Fix dynamic mapper when its parent already has an update #17065
- Fix copy_to when the target is a dynamic object field. #15216 (issues: #111237, #11237)
- Preserve existing mappings on batch mapping updates #15130 (issues: #14899, #15129)
- Network
-
- Fix connection close header handling #20956 (issue: #20938)
- Ensure port range is readable in the exception message #20893
- Fix expect 100 continue header handling #19904 (issue: #19834)
- Fixes netty4 module’s CORS config to use defaults #19874
- Fix various concurrency issues in transport #19675
- Verify lower level transport exceptions don’t bubble up on disconnects #19518 (issue: #19096)
- Packaging
-
- [Packaging] Do not remove scripts directory on upgrade #20452
- [Package] Remove bin/lib/modules directories on RPM uninstall/upgrade #20448
- Fix handling of spaces for jvm.options on Windows #19951 (issue: #19941)
- Disable service in pre-uninstall #19328
- Remove extra bin/ directory in bin folder #18630
- Filter client/server VM options from jvm.options #18473
- Preserve config files from RPM install #18188 (issue: #18158)
- Fix typo in message for variable setup ES_MAX_MEM #18168
-
Don’t run
mkdirwhen $DATA_DIR contains a comma-separated list #17419 (issue: #16992) - Fix exit code #17082
- Set MAX_OPEN_FILES to 65536 #17431 (issue: #17430)
- [windows] Service command still had positional start command #17391
- Do not pass double-dash arguments on startup #17087 (issue: #17084)
- Parent/Child
- Percolator
- Plugin Discovery Azure Classic
- Plugin Discovery EC2
- Plugin Discovery GCE
- Plugin Ingest Attachment
- Plugin Ingest GeoIp
-
- [ingest-geoip] update geoip to not include null-valued results from #20455
- Plugin Lang Painless
-
- Fix String Concatenation Bug In Painless #20623
- Fix break bug in for/foreach loops. #20146
- Fix compound assignment with string concats #18933 (issue: #18929)
- Fix horrible capture #18907 (issue: #18899)
- Fix Casting Bug #18871
- Remove Grammar Ambiguities #18531
- Remove if/else ANTLR ambiguity. #18428
- Fix insanely slow compilation #18410 (issue: #18398)
- Fix Bug in Painless Assignment #18379
- Fix bracket shortcuts #18263
- Plugin Repository Azure
- Plugin Repository S3
- Plugin Store SMB
- Plugins
- Query DSL
-
- Fixes MultiMatchQuery so that it doesn’t provide a null context #20882
- Fix silently accepting malformed queries #20515 (issue: #20500)
- query_string_query should take term length into consideration when fuzziness is auto #20299 (issue: #15972)
- Throw ParsingException if a query is wrapped in an array #19750 (issue: #12887)
- Restore parameter name auto_generate_phrase_queries #19514 (issue: #19512)
- Resolve string dates and date math to millis before evaluating for rewrite in range query #17239
-
constant_scorequery should throw error on more than one filter #17135 (issue: #17126) - Single IPv4 addresses in IP field term queries #16068 (issue: #16058)
- Make strategy optional in GeoShapeQueryBuilder readFrom and writeTo #13963
- Query Refactoring
- REST
- Recovery
-
- Fix concurrency issues between cancelling a relocation and marking shard as relocated #20443
-
Move
reset recoveryinto RecoveriesCollection #19466 (issue: #19473) - Fix replica-primary inconsistencies when indexing during primary relocation with ongoing replica recoveries #19287 (issue: #19248)
-
Invoke
IndexingOperationListenersalso when recovering from store or remote #17406 - Prevent interruption while store checks lucene files for consistency #16308
- Mark shard as recovering on the cluster state thread #14276 (issues: #13766, #14115)
- Reindex API
- Scripting
- Search
-
- Do not cache script queries. #20799 (issue: #20763)
- Throw error when trying to fetch fields from source and source is disabled #20424 (issues: #20093, #20408)
-
Source filtering should keep working when the source contains numbers greater than
Long.MAX_VALUE. #20278 (issue: #11508) -
Fix NPE when running a range query on a
scaled_floatwith no upper bound. #20253 - Fix NPE during search with source filtering if the source is disabled. #20093 (issue: #7758)
- Restore assignment of time value when deserializing a scroll instance #19977 (issue: #18820)
- Fix explain output for dfs query #19972 (issue: #15369)
- Don’t recursively count children profile timings #19397 (issue: #18693)
- fix explain in function_score if no function filter matches #19185
- Fix NPEs due to disabled source #18957
- Require timeout units when parsing query body #19077 (issue: #19075)
- Close SearchContext if query rewrite failed #18727
-
Fix parsing single
rescoreelement in SearchSourceBuilder #18440 (issue: #18439) - Fail queries on not indexed fields. #18014
- Fix for search after #16271
- Do not be lenient when parsing CIDRs #14874 (issue: #14862)
- Settings
-
- Fix Setting.timeValue() method #20696 (issue: #20662)
-
Add a hard limit for
index.number_of_shard#20682 - Include complex settings in settings requests #20622
- Fix filter cache setting to allow percentages #20335 (issue: #20330)
- Move cluster.routing.allocation.same_shard.host setting to new settings infrastructure #20046 (issue: #20045)
- Validate settings against dynamic updaters on the master #19088 (issue: #19046)
- Register "cloud.node.auto_attributes" setting in EC2 discovery plugin #18678
- Use object equality to compare versions in IndexSettings #18103
- fix exists method for list settings when using numbered setting format #17949
- convert settings for ResourceWatcherService to new infrastructure #17948
- Register bootstrap settings #16513
- Add settings filtering to node info requests #16445
- Ban write access to system properties #14914
- Snapshot/Restore
- Stats
- Store
- Task Manager
- Term Vectors
- Translog
-
- Fix RAM usage estimation of LiveVersionMap. #20123 (issue: #19787)
- Fix translog replay multiple operations same doc #18611 (issues: #18547, #18623)
- Snapshotting and sync could cause a dead lock TranslogWriter #18481 (issues: #1, #18360, #2)
- Move translog recover outside of the engine #17422
- Mark shard active during recovery; push settings after engine finally inits #16250 (issues: #14121, #16209)
Regressions
editUpgrades
edit- Core
-
- Upgrade to Lucene 6.2.0 #20147 (issue: #20092)
- Update to jackson 2.8.1 #18939 (issue: #18076)
- Upgrade to Lucene 6.1.0. #18926
- Upgrade to lucene-6.1.0-snapshot-3a57bea. #18786
- Upgrade to Lucene 6.0.1. #18648 (issues: #17535, #28)
- Upgrade to lucene 6 release #17657
- Upgrade to lucene-6.0.0-f0aa4fc. #17075
- upgrade to lucene 6.0.0-snapshot-bea235f #16964
- Upgrade to Jackson 2.7.1 #16801 (issue: #16294)
- Ingest
- Internal
-
- Bump master (3.0-snapshot) to java 8 #13314
- Network
- Packaging
- Plugin Discovery EC2
- Scripting
-
- Dependencies: Updates to mustache 0.9.3 #20337
- Search Templates