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112 lines
4.4 KiB
Text
112 lines
4.4 KiB
Text
[[release-notes-8.0.0-rc1]]
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== {es} version 8.0.0-rc1
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Also see <<breaking-changes-8.0,Breaking changes in 8.0>>.
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[[known-issues-8.0.0-rc1]]
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[float]
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=== Known issues
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* **Do not upgrade production clusters to {es} 8.0.0-rc1.** {es} 8.0.0-rc1 is
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a pre-release of {es} 8.0 and is intended for testing purposes only.
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+
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Upgrades from pre-release builds are not supported and could result in errors or
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data loss. If you upgrade from a released version, such as 7.16, to a
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pre-release version for testing, discard the contents of the cluster when you are
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done. Do not attempt to upgrade to the final 8.0 release.
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* For {es} 8.0.0-rc1, the {ref}/sql-jdbc.html[{es} SQL JDBC driver] requires
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Java 17 or newer. In {es} 8.0.0-rc2, the JDBC driver will only require Java 8
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or newer. {es-pull}82325
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[[breaking-8.0.0-rc1]]
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[float]
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=== Breaking changes
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Infra/Core::
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* All system indices are hidden indices {es-pull}79512[#79512]
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Snapshot/Restore::
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* Adjust snapshot index resolution behavior to be more intuitive {es-pull}79670[#79670] (issue: {es-issue}78320[#78320])
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[[deprecation-8.0.0-rc1]]
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[float]
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=== Deprecations
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Engine::
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* Deprecate setting `max_merge_at_once_explicit` {es-pull}80574[#80574]
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Machine Learning::
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* Deprecate `estimated_heap_memory_usage_bytes` and replace with `model_size_bytes` {es-pull}80554[#80554]
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Search::
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* Configure `IndexSearcher.maxClauseCount()` based on node characteristics {es-pull}81525[#81525] (issue: {es-issue}46433[#46433])
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Transform::
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* Improve transform deprecation messages {es-pull}81847[#81847] (issues: {es-issue}81521[#81521], {es-issue}81523[#81523])
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[[enhancement-8.0.0-rc1]]
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[float]
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=== Enhancements
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Authorization::
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* Granting `kibana_system` reserved role access to "all" privileges to `.internal.preview.alerts*` index {es-pull}80889[#80889] (issues: {es-issue}76624[#76624], {es-issue}80746[#80746], {es-issue}116374[#116374])
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* Granting `kibana_system` reserved role access to "all" privileges to .preview.alerts* index {es-pull}80746[#80746]
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* Granting editor and viewer roles access to alerts-as-data indices {es-pull}81285[#81285]
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ILM+SLM::
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* Make unchanged ILM policy updates into noop {es-pull}82240[#82240] (issue: {es-issue}82065[#82065])
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Indices APIs::
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* Batch rollover cluster state updates {es-pull}79945[#79945] (issues: {es-issue}77466[#77466], {es-issue}79782[#79782])
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* Reuse `MappingMetadata` instances in Metadata class {es-pull}80348[#80348] (issues: {es-issue}69772[#69772], {es-issue}77466[#77466])
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Infra/Settings::
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* Implement setting deduplication via string interning {es-pull}80493[#80493] (issues: {es-issue}77466[#77466], {es-issue}78892[#78892])
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Ingest::
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* Extract more standard metadata from binary files {es-pull}78754[#78754] (issue: {es-issue}22339[#22339])
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Machine Learning::
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* Add `deployment_stats` to trained model stats {es-pull}80531[#80531]
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* The setting `use_auto_machine_memory_percent` now defaults `max_model_memory_limit` {es-pull}80532[#80532] (issue: {es-issue}80415[#80415])
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Monitoring::
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* Adding default templates for Metricbeat ECS data {es-pull}81744[#81744]
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Network::
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* Improve slow inbound handling to include response type {es-pull}80425[#80425]
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Recovery::
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* Fix `PendingReplicationActions` submitting lots of `NOOP` tasks to `GENERIC` {es-pull}82092[#82092] (issues: {es-issue}77466[#77466], {es-issue}79837[#79837])
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Reindex::
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* Do not scroll if max docs is less than scroll size (update/delete by query) {es-pull}81654[#81654] (issue: {es-issue}54270[#54270])
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Security::
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* URL option for `BaseRunAsSuperuserCommand` {es-pull}81025[#81025] (issue: {es-issue}80481[#80481])
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[[bug-8.0.0-rc1]]
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[float]
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=== Bug fixes
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Autoscaling::
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* Autoscaling use adjusted total memory {es-pull}80528[#80528] (issue: {es-issue}78750[#78750])
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Data streams::
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* Prohibit restoring a data stream alias with a conflicting write data stream {es-pull}81217[#81217] (issue: {es-issue}80976[#80976])
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ILM+SLM::
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* Less verbose serialization of snapshot failure in SLM metadata {es-pull}80942[#80942] (issue: {es-issue}77466[#77466])
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Indices APIs::
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* Fix `ComposableIndexTemplate` equals when `composed_of` is null {es-pull}80864[#80864]
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Infra/REST API::
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* Handle exceptions thrown from `RestCompatibleVersionHelper` {es-pull}80253[#80253] (issues: {es-issue}78214[#78214], {es-issue}79060[#79060])
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Ingest::
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* Adjust default geoip logging to be less verbose {es-pull}81404[#81404] (issue: {es-issue}81356[#81356])
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Machine Learning::
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* Set model state compatibility version to 8.0.0 {ml-pull}2139[#2139]
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