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80 lines
2.8 KiB
Text
80 lines
2.8 KiB
Text
[[release-notes-8.7.1]]
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== {es} version 8.7.1
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Also see <<breaking-changes-8.7,Breaking changes in 8.7>>.
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[[known-issues-8.7.1]]
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[float]
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=== Known issues
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* `ArrayIndexOutOfBoundsException` may be thrown while creating a transport message
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+
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Certain sequences of writes and seeks to the buffer used to create a transport
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message may encounter an alignment bug which results in an
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`ArrayIndexOutOfBoundsException`, preventing the transport message from being
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sent.
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+
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This issue is fixed in 8.8.0.
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include::8.6.0.asciidoc[tag=reconciliation-imbalance-known-issue]
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// tag::no-preventive-gc-issue[]
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* High Memory Pressure due to a GC JVM setting change
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+
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This version of Elasticsearch is bundled with JDK 20. In JDK 20
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https://bugs.openjdk.org/browse/JDK-8293861[Preventive GC is disabled by default].
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This may lead to increased memory pressure and an increased number of CircuitBreakerExceptions when retrieving large
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documents under some load patterns. (issue: {es-issue}99592[#99592])
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+
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If this change affects your use of Elasticsearch, consider re-enabling the previous behaviour
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by adding the JVM arguments `-XX:+UnlockDiagnosticVMOptions -XX:+G1UsePreventiveGC` (reference:
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https://www.oracle.com/java/technologies/javase/20-relnote-issues.html#JDK-8293861[JDK 20 release notes]). It is
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important to note that this workaround is temporary and works only with JDK 20, which is bundled with Elasticsearch up
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to version 8.10.2 inclusive. Successive versions are bundling JDK 21+, where this setting
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https://bugs.openjdk.org/browse/JDK-8297639[has been removed]. Specifying those JVM arguments will prevent the
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JVM (and therefore Elasticsearch Nodes) from starting.
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// end::no-preventive-gc-issue[]
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[[bug-8.7.1]]
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[float]
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=== Bug fixes
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Allocation::
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* Compute balancer threshold based on max shard size {es-pull}95090[#95090]
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* Use applied state after `DiskThresholdMonitor` reroute {es-pull}94916[#94916]
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* Weaken node-replacement decider during reconciliation {es-pull}95070[#95070]
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ILM+SLM::
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* Downsample ILM action should skip non-time-series indices {es-pull}94835[#94835] (issue: {es-issue}93123[#93123])
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Ingest Node::
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* Fix async enrich execution prematurely releases enrich policy lock {es-pull}94702[#94702] (issue: {es-issue}94690[#94690])
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Network::
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* Fix off-by-one bug in `RecyclerBytesStreamOutput` {es-pull}95036[#95036]
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Recovery::
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* Async creation of `IndexShard` instances {es-pull}94545[#94545]
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Search::
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* Return 200 when closing empty PIT or scroll {es-pull}94708[#94708]
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Stats::
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* Fix _cluster/stats `.nodes.fs` deduplication {es-pull}94798[#94798] (issue: {es-issue}24472[#24472])
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* Fix `FsInfo` device deduplication {es-pull}94744[#94744]
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[[enhancement-8.7.1]]
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[float]
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=== Enhancements
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Authorization::
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* Reuse `FieldPermissionsCache` in Role parsing {es-pull}94931[#94931]
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[[upgrade-8.7.1]]
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[float]
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=== Upgrades
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Packaging::
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* Upgrade bundled JDK to Java 20 {es-pull}94600[#94600]
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