Elasticsearch version 8.0.0-rc2
editElasticsearch version 8.0.0-rc2
editAlso see Breaking changes in 8.0.
Known issues
edit-
Do not upgrade production clusters to Elasticsearch 8.0.0-rc2. Elasticsearch 8.0.0-rc2 is a pre-release of Elasticsearch 8.0 and is intended for testing purposes only.
Upgrades from pre-release builds are not supported and could result in errors or data loss. If you upgrade from a released version, such as 7.16, to a pre-release version for testing, discard the contents of the cluster when you are done. Do not attempt to upgrade to the final 8.0 release.
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If you installed Elasticsearch from an archive on an aarch64 platform like Linux ARM or macOS M1, the
elastic
user password and Kibana enrollment token are not generated automatically when starting your node for the first time.After the node starts, generate the
elastic
password with thebin/elasticsearch-reset-password
tool:bin/elasticsearch-reset-password -u elastic
Then, create an enrollment token for Kibana with the
bin/elasticsearch-create-enrollment-token
tool:bin/elasticsearch-create-enrollment-token -s kibana
Deprecations
edit- Engine
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Deprecate setting
max_merge_at_once_explicit
#80574- Search
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Configure
IndexSearcher.maxClauseCount()
based on node characteristics #81525 (issue: #46433)
New features
edit- Snapshot/Restore
- Watcher
-
-
Use
startsWith
rather than exact matches for Watcher history template names #82396
-
Use
Enhancements
edit- Cluster Coordination
- ILM+SLM
- Infra/Core
- Machine Learning
- Network
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- Improve slow inbound handling to include response type #80425
- Packaging
- Search
Bug fixes
edit- Autoscaling
- Infra/Scripting
- Ingest
- Machine Learning
- Recovery
- Search
- Security
- Snapshot/Restore