diff --git a/docs/reference/migration/migrate_8_0.asciidoc b/docs/reference/migration/migrate_8_0.asciidoc index d67595de2b5d0..7102e586b3522 100644 --- a/docs/reference/migration/migrate_8_0.asciidoc +++ b/docs/reference/migration/migrate_8_0.asciidoc @@ -105,5 +105,33 @@ user password is already configured. ==== //end::notable-breaking-changes[] + +[[deprecate-max-merge-at-once-explicit-setting]] +.The setting `max_merge_at_once_explicit` is deprecated. +[%collapsible] +==== +*Details* + +The setting `max_merge_at_once_explicit` is removed in Lucene 9. + + +*Impact* + +Remove the setting `max_merge_at_once_explicit` from your +configuration. +==== + +[[deprecate-indices-query-bool-max-clause-count-setting]] +.The setting `indices.query.bool.max_clause_count` is deprecated. +[%collapsible] +==== +*Details* + +The setting `indices.query.bool.max_clause_count` is deprecated. Instead, +{es} configures the maximum clause count for Lucene based on the available +heap and the size of the thread pool. + +*Impact* + +Remove the setting `indices.query.bool.max_clause_count` from +your configuration. +==== + include::migrate_8_0/migrate_to_java_time.asciidoc[] include::transient-settings-migration-guide.asciidoc[] diff --git a/docs/reference/release-notes.asciidoc b/docs/reference/release-notes.asciidoc index 12b7e9d897157..fab77ab7e58b9 100644 --- a/docs/reference/release-notes.asciidoc +++ b/docs/reference/release-notes.asciidoc @@ -6,6 +6,7 @@ This section summarizes the changes in each release. +* <> * <> * <> * <> @@ -13,6 +14,7 @@ This section summarizes the changes in each release. -- +include::release-notes/8.0.0-rc2.asciidoc[] include::release-notes/8.0.0-rc1.asciidoc[] include::release-notes/8.0.0-beta1.asciidoc[] include::release-notes/8.0.0-alpha2.asciidoc[] diff --git a/docs/reference/release-notes/8.0.0-rc1.asciidoc b/docs/reference/release-notes/8.0.0-rc1.asciidoc index 9c2d1e2d070ec..b5899b0d897a9 100644 --- a/docs/reference/release-notes/8.0.0-rc1.asciidoc +++ b/docs/reference/release-notes/8.0.0-rc1.asciidoc @@ -1,6 +1,3 @@ -:es-issue: https://github.com/elastic/elasticsearch/issues/ -:es-pull: https://github.com/elastic/elasticsearch/pull/ - [[release-notes-8.0.0-rc1]] == {es} version 8.0.0-rc1 diff --git a/docs/reference/release-notes/8.0.0-rc2.asciidoc b/docs/reference/release-notes/8.0.0-rc2.asciidoc new file mode 100644 index 0000000000000..2c9e5c299ce47 --- /dev/null +++ b/docs/reference/release-notes/8.0.0-rc2.asciidoc @@ -0,0 +1,107 @@ +[[release-notes-8.0.0-rc2]] +== {es} version 8.0.0-rc2 + +Also see <>. + +[[known-issues-8.0.0-rc2]] +[float] +=== Known issues + +* **Do not upgrade production clusters to {es} 8.0.0-rc2.** {es} 8.0.0-rc2 is +a pre-release of {es} 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. + +[[deprecation-8.0.0-rc2]] +[float] +=== Deprecations + +Engine:: +* Deprecate setting `max_merge_at_once_explicit` {es-pull}80574[#80574] + +Search:: +* Configure `IndexSearcher.maxClauseCount()` based on node characteristics {es-pull}81525[#81525] (issue: {es-issue}46433[#46433]) + + +[[feature-8.0.0-rc2]] +[float] +=== New features + +Snapshot/Restore:: +* Support IAM roles for Kubernetes service accounts {es-pull}81255[#81255] (issue: {es-issue}52625[#52625]) + +Watcher:: +* Use `startsWith` rather than exact matches for Watcher history template names {es-pull}82396[#82396] + + +[[enhancement-8.0.0-rc2]] +[float] +=== Enhancements + +Cluster Coordination:: +* Make `TaskBatcher` less lock-heavy {es-pull}82227[#82227] (issue: {es-issue}77466[#77466]) + +ILM+SLM:: +* Avoid unnecessary `LifecycleExecutionState` recalculation {es-pull}81558[#81558] (issues: {es-issue}77466[#77466], {es-issue}79692[#79692]) +* Make unchanged ILM policy updates into no-op {es-pull}82240[#82240] (issue: {es-issue}82065[#82065]) + +Infra/Core:: +* Prevent upgrades to 8.0 without first upgrading to the last 7.x release {es-pull}82321[#82321] (issue: {es-issue}81865[#81865]) + +Machine Learning:: +* Add `deployment_stats` to trained model stats {es-pull}80531[#80531] +* The setting `use_auto_machine_memory_percent` now defaults to `max_model_memory_limit` {es-pull}80532[#80532] (issue: {es-issue}80415[#80415]) + +Network:: +* Improve slow inbound handling to include response type {es-pull}80425[#80425] + +Search:: +* Check nested fields earlier in kNN search {es-pull}80516[#80516] (issue: {es-issue}78473[#78473]) + + +[[bug-8.0.0-rc2]] +[float] +=== Bug fixes + +Autoscaling:: +* Use adjusted total memory instead of total memory {es-pull}80528[#80528] (issue: {es-issue}78750[#78750]) + +Infra/Scripting:: +* Fix duplicated allow lists upon script engine creation {es-pull}82820[#82820] (issue: {es-issue}82778[#82778]) + +Ingest:: +* Adjust default geoip logging to be less verbose {es-pull}81404[#81404] (issue: {es-issue}81356[#81356]) + +Machine Learning:: +* Check that `total_definition_length` is consistent before starting a deployment {es-pull}80553[#80553] +* Fail inference processor more consistently on certain error types {es-pull}81475[#81475] +* Optimize the job stats call to do fewer searches {es-pull}82362[#82362] (issue: {es-issue}82255[#82255]) + +Recovery:: +* Make shard started response handling only return after the cluster state update completes {es-pull}82790[#82790] (issue: {es-issue}81628[#81628]) + +Search:: +* Reject zero-length vectors when using cosine similarity {es-pull}82241[#82241] (issue: {es-issue}81167[#81167]) + +Security:: +* Auto-generated TLS files under fixed config path {es-pull}81547[#81547] (issue: {es-issue}81057[#81057]) +* Bind to non-localhost for transport in some cases {es-pull}82973[#82973] +* Correct file ownership on node reconfiguration {es-pull}82789[#82789] (issue: {es-issue}80990[#80990]) +* Display security auto-configuration with fancy unicode {es-pull}82740[#82740] (issue: {es-issue}82364[#82364]) + +Snapshot/Restore:: +* Remove custom metadata if there is nothing to restore {es-pull}81373[#81373] (issues: {es-issue}81247[#81247], {es-issue}82019[#82019]) + + +[[upgrade-8.0.0-rc2]] +[float] +=== Upgrades + +Infra/Logging:: +* Upgrade ECS logging layout to latest version {es-pull}80500[#80500] + +Search:: +* Upgrade to released lucene 9.0.0 {es-pull}81426[#81426]