Elasticsearch 7.17.0 发布

Mapping

• Remove too_many_fields upgrade check #82809 (issues: #81539, #81850)

Transform

• Improve transform deprecation messages #81853 (issues: #81521, #81523)

Audit

• Emit trace.id into audit logs #82849 (issue: #74210)

Authorization

• Allow read template with cluster monitor privilege #82046 (issue: #78832)
• Make authorization performance log message configurable and disabled by default #82648 (issue: #75439)
• Add Kibana system permissions for Endpoint action indices #81953

ILM+SLM

• Add an index→step cache to the PolicyStepsRegistry #82316 (issue: #77466)
• Migrate legacy/v2/component templates away from custom attributes routing #82472 (issue: #82170)
• Migrate to data tiers API dry run on any ILM status #82226 (issue: #82169)

Infra/Core

• Allow scaling executors to reject tasks after shutdown #81856 (issues: #77017, #77178)
• Prevent direct upgrade of indices from 6.8 to 8.0 #82689 (issue: #81326)

Infra/Logging

• Adjust ILM policy for deprecation logs #82833
• Do no use x-opaque-id for deduplicating Elastic originating requests #82855 (issue: #82810)

Infra/Settings

• Implement setting deduplication via string interning #80493 (issues: #77466, #78892)

Java Low Level REST Client

• Expose HTTP client and allow overriding meta header #81955

License

• Add DEBUG log when document level security and field level security usage is detected #82182 (issue: #79152)

Machine Learning

• Move datafeed stats action off of master node #82271

Watcher

• Prevent watcher from starting if its templates are missing #82395

Aggregations

• Fix bucket keys format for range aggregations on float field #81801 (issue: #81749)
• Fix cardinality aggregation in asynchronous search #82108
• Fix missing fields in range aggregation response for date fields #82732 (issue: #82688)

Allocation

• Correct context for batched reroute notifications #83019

Authorization

• Fix field level security for frozen tier #82521 (issues: #78988, #82044)

CRUD

• Fix potential listener leak in TransportBulkAction #81894

Geo

• Handle degenerated rectangles in vector tiles #82404 (issue: #81891)
• GeoPolygonDecomposer might fail due to numerical errors when calculating intersection with the dateline #82953 (issue: #82840)

ILM+SLM

• Migrate the coldest node attribute for data tier routing #81940 (issue: #81633)
• Retry ILM step to safely refresh the cached phase #82613 (issue: #81921)
• Fix ILM allocate action to allow only total_shards_per_node #81944 (issue: #81943)

Indices APIs

• Make the rollover API respect the request’s master_timeout #82326 (issue: #81762)

Infra/Core

• Allow clearing blocks on managed system indices #82507 (issue: #80814)

Infra/Logging

• Add doPrivileged section in deprecation logger #81819 (issue: #81708)
• Always emit product origin to deprecation log if present #83115

Ingest

• Filter enrich policy index deletes to just the policy’s associated indices #82568
• Fix enrich cache corruption bug #82441 (issue: #82340)

Java Low Level REST Client

• Fix version resolution and encoding in LLRC #81989

Machine Learning

• Fix annotations index maintenance after reindexing #82304 (issue: #82250)
• Improve cleanup for model snapshot upgrades #81831 (issue: #81578)
• Make delete intervening results more selective #82437
• Skip time to next interval with data for datafeeds with aggs #82488 (issue: #82406)
• Update running process when global calendar changes #83044
• Avoid transient poor time series modeling after detecting new seasonal components. This can affect cases where there are fast and slow repeats in the data, for example 30 minutes and 1 day, and the job uses a short bucket length. #2167 (issue: #2166)

Monitoring

• Always attempt upgrade monitoring templates #82713 (issue: #82453)

Network

• Correct context for ClusterConnManager listener #83035

Search

• Fix bug where field is not returned if it has the same prefix as a nested field #82922 (issue: #82905)

Settings

• Change deprecation.skip_deprecated_settings to work with dynamic settings #81836
• Check both node and cluster settings in NodeDeprecationChecks #82487 (issue: #82484)
• Ignore dynamic settings specified by deprecation.skip_deprecated_settings in node deprecation checks #82883 (issue: #82889)

Snapshot/Restore

• Always fail snapshot deletion listeners on master failover #82361 (issue: #81596)
• Fix potential repository corruption during master failover #82912 (issue: #82911)
• Remove requirement for key setting on Azure client settings #82030
• Support GKE workload identity for searchable snapshots #82974 (issue: #82702)

Stats

• Correct context for CancellableSOCache listener #83021

Search

• Upgrade to Lucene 8.11.1 #81900

转自 https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-7.17.0.html