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https://github.com/elastic/elasticsearch.git
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9d867cd5ca
We figured out that on Linux and macOS aarch64, we can't determine whether a terminal is attached to elasticsearch and as such we don't print the elastic password and enrollment token on node first startup. This is resolved in #83566 by updating the underlying library we use to detect the terminal. Co-authored-by: Adam Locke <adam.locke@elastic.co>
131 lines
4.6 KiB
Text
131 lines
4.6 KiB
Text
[[release-notes-8.0.0-rc2]]
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== {es} version 8.0.0-rc2
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Also see <<breaking-changes-8.0,Breaking changes in 8.0>>.
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[[known-issues-8.0.0-rc2]]
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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-rc2.** {es} 8.0.0-rc2 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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* If you installed {es} from an archive on an aarch64 platform like Linux ARM or macOS M1, the
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`elastic` user password and {kib} enrollment token are not generated
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automatically when starting your node for the first time.
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+
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--
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After the node starts, generate the `elastic` password with the
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<<reset-password,`bin/elasticsearch-reset-password`>> tool:
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[source,bash]
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----
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bin/elasticsearch-reset-password -u elastic
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----
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Then, create an enrollment token for {kib} with the
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<<create-enrollment-token,`bin/elasticsearch-create-enrollment-token`>> tool:
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[source,bash]
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----
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bin/elasticsearch-create-enrollment-token -s kibana
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----
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--
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[[deprecation-8.0.0-rc2]]
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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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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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[[feature-8.0.0-rc2]]
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[float]
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=== New features
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Snapshot/Restore::
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* Support IAM roles for Kubernetes service accounts {es-pull}81255[#81255] (issue: {es-issue}52625[#52625])
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Watcher::
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* Use `startsWith` rather than exact matches for Watcher history template names {es-pull}82396[#82396]
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[[enhancement-8.0.0-rc2]]
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[float]
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=== Enhancements
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Cluster Coordination::
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* Make `TaskBatcher` less lock-heavy {es-pull}82227[#82227] (issue: {es-issue}77466[#77466])
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ILM+SLM::
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* Avoid unnecessary `LifecycleExecutionState` recalculation {es-pull}81558[#81558] (issues: {es-issue}77466[#77466], {es-issue}79692[#79692])
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* Make unchanged ILM policy updates into no-op {es-pull}82240[#82240] (issue: {es-issue}82065[#82065])
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Infra/Core::
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* Prevent upgrades to 8.0 without first upgrading to the last 7.x release {es-pull}82321[#82321] (issue: {es-issue}81865[#81865])
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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 to `max_model_memory_limit` {es-pull}80532[#80532] (issue: {es-issue}80415[#80415])
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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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Packaging::
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* Convert repository plugins to modules {es-pull}81870[#81870] (issue: {es-issue}81652[#81652])
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Search::
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* Check nested fields earlier in kNN search {es-pull}80516[#80516] (issue: {es-issue}78473[#78473])
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[[bug-8.0.0-rc2]]
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[float]
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=== Bug fixes
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Autoscaling::
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* Use adjusted total memory instead of total memory {es-pull}80528[#80528] (issue: {es-issue}78750[#78750])
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Infra/Scripting::
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* Fix duplicated allow lists upon script engine creation {es-pull}82820[#82820] (issue: {es-issue}82778[#82778])
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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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* Check that `total_definition_length` is consistent before starting a deployment {es-pull}80553[#80553]
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* Fail inference processor more consistently on certain error types {es-pull}81475[#81475]
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* Optimize the job stats call to do fewer searches {es-pull}82362[#82362] (issue: {es-issue}82255[#82255])
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Recovery::
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* Make shard started response handling only return after the cluster state update completes {es-pull}82790[#82790] (issue: {es-issue}81628[#81628])
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Search::
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* Reject zero-length vectors when using cosine similarity {es-pull}82241[#82241] (issue: {es-issue}81167[#81167])
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Security::
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* Auto-generated TLS files under fixed config path {es-pull}81547[#81547] (issue: {es-issue}81057[#81057])
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* Bind to non-localhost for transport in some cases {es-pull}82973[#82973]
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* Correct file ownership on node reconfiguration {es-pull}82789[#82789] (issue: {es-issue}80990[#80990])
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* Display security auto-configuration with fancy unicode {es-pull}82740[#82740] (issue: {es-issue}82364[#82364])
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Snapshot/Restore::
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* Remove custom metadata if there is nothing to restore {es-pull}81373[#81373] (issues: {es-issue}81247[#81247], {es-issue}82019[#82019])
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[[upgrade-8.0.0-rc2]]
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[float]
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=== Upgrades
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Infra/Logging::
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* Upgrade ECS logging layout to latest version {es-pull}80500[#80500]
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Search::
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* Upgrade to released lucene 9.0.0 {es-pull}81426[#81426]
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