IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Elasticsearch version 6.0.0-rc1
editElasticsearch version 6.0.0-rc1
editBreaking Changes
edit- Packaging
- Query DSL
Deprecations
edit- Plugins
- Security
-
-
The
xpack.security.authc.token.passphrase
is deprecated. If this setting is not used, the cluster automatically generates a key, which is the recommended method. See Security settings.
-
The
Enhancements
edit- Core
- Discovery
-
- Allow plugins to validate cluster-state on join #26595
- Mapping
- Plugin Repository HDFS
- Recovery
- Security
-
- Added requirement for TLS/SSL when a cluster with security is running in production. If you try to upgrade to a production license when security is enabled, the upgrade is not successful until you configure TLS. For more information, see Setting Up SSL/TLS on a Cluster.
- Added bootstrap check that enforces the use of TLS when security is enabled and you are using a production license.
- Scripting
-
- ScriptService: Replace max compilation per minute setting with max compilation rate #26399
- Search
- Sequence IDs
-
- Restoring from snapshot should force generation of a new history uuid #26694 (issues: #10708, #26544, #26557, #26577)
- Add global checkpoint tracking on the primary #26666 (issue: #26591)
- Introduce global checkpoint background sync #26591 (issues: #26573, #26630, #26666)
-
Move
UNASSIGNED_SEQ_NO
andNO_OPS_PERFORMED
to SequenceNumbers` #26494 (issue: #10708)
Bug Fixes
edit- Aggregations
- Core
-
- Fix cache compute if absent for expired entries #26516
- Dates
- Highlighting
-
- Fix percolator highlight sub fetch phase to not highlight query twice #26622
- Inner Hits
- Internal
- Java API
- Java High Level REST Client
- Java REST Client
-
- Better message text for ResponseException #26564
- Machine Learning
-
- Fixed problem with dropped or duplicated data when datafeeds used aggregations.
- Fixed problems when model plot is enabled and there are sparse metrics.
- Improved modeling of long-term trends.
- Fixed a bug in calculation of mean values for seasonal components.
- Added more accurate adherence to model memory limit.
- Mapping
- Monitoring
-
- Fixed the email message when cluster license expiration issues are resolved.
- Plugin Analysis Kuromoji
- Plugin Discovery File
- Plugin Repository Azure
- Plugin Repository HDFS
- Query DSL
- Search
- Security
-
- Added ability infer the keystore type from its pathname when the type is not specified.
- Added usability improvements for the password bootstrap tool. For more information, see elasticsearch-setup-passwords.
- Similarities
-
- Add boolean similarity to built in similarity types #26613
- Upgrade API
- Watcher
-
- Fixed Watcher such that it loads only active watches.