Elasticsearch 7.14.0 发布

CCR

• Deprecate auto-follow system indices #73237 (issue: #72815)

Cluster Coordination

• Extend version barrier to all upgrades #73358 (issue: #72911)

Allocation

• Add entry to deprecation API for CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING #73552 (issue: #47717)
• Deprecations for single data node setting #73733 (issue: #55805)

Analysis

• Deprecate setting version on analyzers #74073

Authentication

• Deprecate realm names with a leading underscore #73366 (issue: #73250)

Authorization

• Designate reporting_user as a deprecated role #72057

Features/Indices APIs

• Deprecate freeze index API #72618 (issue: #70192)

Infra/Core

• Add deprecation for single valued list of data path #72180
• Add warning for path.data as a list to deprecation api #72183 (issue: #72180)

Infra/Logging

• Deprecate slow log level #73718

Mapping

• Add deprecation warnings to geo fields that define multifields #71912

Security

• Deprecate camelCase parameters used by SAML APIs #73984 (issue: #73543)
• Deprecate security implicitly disabled on trial/basic #72339

Features/Data streams

• Add basic alias support for data streams #72613 (issue: #66163)

Features/ILM+SLM

• Service to migrate indices and ILM policies to data tiers #73689 (issue: #73154)

Mapping

• Add match_only_text, a space-efficient variant of text #66172 (issue: #64467)

SQL

• Introduce an async querying mode for SQL #73991 (issue: #71041)

Search

• New terms_enum API for discovering terms in the index #66452

Aggregations

• Add keep_values gap policy #73297 (issue: #27377)
• Add extra profiling information to terms agg #73636
• Add support for range aggregations on histogram mapped fields #74146 (issue: #74071)
• Only enable “filter by filter” optimization for terms, date_histogram, range, and fitlers aggregation when we’re sure it’ll be faster #74260
• Docvalueformat errors #73121 (issue: #72040)
• Optimize lone single bucket date_histogram #71180 (issue: #69377)
• Read aggregations directly from pooled buffers #72309
• Reduce agg buckets only if competitive #74096

Allocation

• Log cluster health change when node leaves #73576 (issue: #68948)

Audit

• Service Accounts – add service token type to audit log #73399 (issues: #72198, #73135)
• Service Accounts – audit for security config change #72555 (issue: #72198)
• Service Accounts – audit logging for service token name #72198

Authentication

• Add more logging to SAML Realm #73279
• Service Accounts – Add token source to authenticate metadata #73135
• Service Accounts – enforcing token secret min length at authc time #72519
• ApiKeyAuthCache now expires after access instead of write #73982

Authorization

• Granting kibana_system reserved role access to “all” privileges to .alerts* and .siem-signals* index #72181
• Improve error when handling unexpected wildcards #73079 (issues: #43015, #61245)
• Make RBACEngine.resolveAuthorizedIndicesFromRole Return Set for Lookups #72598
• Service Accounts – Disallow oauth2 creation #72553
• Service Accounts – no roles in denial error message #72517
• Support shard request cache for queries with DLS and FLS #70191 (issue: #44581)

CCR

• Add support for index pattern exclusion in CCR AutoFollow #72935 (issue: #67686)

Client

• Service Accounts – HLRC #72431

Cluster Coordination

• Increase PeerFinder verbosity on persistent failure #73128 (issue: #72968)
• Log elapsed time for host resolution timeouts #72484

Distributed

• Run CheckIndex on metadata index before loading #73239 (issue: #29358)

Features/Features

• Add X-Elastic-Product header on all HTTP responses #73434 (issue: #73424)
• Add meta field to deprecation issue definition #74085 (issue: #73089)
• Better out-of-the-box mappings for logs, metrics and synthetics #64978 (issue: #64400)

Features/ILM+SLM

• Add _meta field to ilm policy #73515 (issue: #70755)
• Add _meta information to built-in ILM policies #73629
• Make ILM Steps use Infinite Master Timeout #74143 (issue: #72085)
• Retry ILM force merge step on shard failures #73762 (issue: #73142)

Features/Ingest

• Add template snippets support for KV ingest processor #73758 (issue: #73377)
• Enable GeoIP downloader by default #74323
• Change GeoIP downloader policy after 30 days of no updates #74099
• Expose Community ID processor in Painless #73963 (issue: #73346)
• Expose URI parts processor in Painless #73634 (issue: #73346)

Features/Java High Level REST Client

• Add point in time to HLRC #72167 (issue: #70593)
• Verify that main info response returns correct product headers #73910 (issue: #73434)
• Change GET method to POST in Searchtemplate #72851 (issues: #72073, #72397)
• Adds new running_state field to datafeed stats (#73926) #74025
• Adds support for reset job API #74254

Features/Stats

• Add fs iotime in Nodes Stats API #67861 (issue: #67805)

Features/Watcher

• Fix Watcher HTTP connection config for longevity #72736 (issue: #52997)

Geo

• Speed up geotile aggregation over geo_shape field #72984
• Add painless script support for geo_shape field #72886 (issue: #54218)

Infra/Core

• Add thread pool for critical operations on system indices #72625 (issue: #69251)
• Add unenroll_timeout/unenrolled_reason field to Fleet system indices #74180
• Add warnings if timer thread is late to wake up #72465
• Log slow executions on scheduler thread #72606 (issue: #72465)
• Protect newly introduced system indices fully #74186 (issue: #72572)
• RestController not using thread context directly from thread pool #74293

Infra/Node Lifecycle

• Don’t assign persistent tasks to nodes shutting down #72260 (issue: #70338)
• Make ILM aware of node shutdown #73690 (issue: #70338)

Infra/Scripting

• Delegate to wrapped map for toString in DynamicMap #72048

Machine Learning

• Add new bucket_correlation aggregation with initial count_correlation function #72133
• Add new ml_standard tokenizer for ML categorization #72744
• Adding running_state to datafeed stats object #73926
• Adding new KS test pipeline aggregation #73334
• Adds latest record timestamp to model snapshot deprecation warning #73066
• Closing an anomaly detection job now automatically stops its datafeed if necessary #74257
• Further increase memory estimates for categorization #73370 (issue: #68859)
• Make ml_standard tokenizer create single tokens for email addresses #73052
• Make ml_standard tokenizer the default for new categorization jobs #72805 (issue: #1724)
• Optimize inference step when there are no test docs #74315
• Reset anomaly detection job API #73908
• Switch ML internal index templates to composable templates #73232 (issue: #65437)
• Give higher weight to multiple adjacent dictionary words when performing categorization #1903

Mapping

• Add a cluster deprecation check for index templates containing multiple types #72540
• Enhance error message for copy_to #72820 (issue: #49344)
• Make intervals queries fully pluggable through field mappers #71429
• DynamicFieldType to expose its known subfields names #73530
• FieldTypeLookup to support dynamic runtime fields #73519

Packaging

• Pin Alpine Linux version in Docker builds #74169
• Tighten up write permissions in Docker image #73942 (issue: #70635)

Recovery

• Fork the sending of file chunks during recovery #74164
• Treat writtenBy as an opaque string #74125

Search

• Add search_after support to new termsEnum API #72933 (issue: #72910)
• Be cleverer about extracting nested sources #73157
• Integrate circuit breaker in AsyncTaskIndexService #73862 (issues: #67594, #73638)
• PIT: Make validation error actionable #74224 (issue: #74223)
• Support field collapsing with search_after #73023 (issue: #53115)
• Support much larger source filters #72277
• Write async response directly to XContent to reduce memory usage #73707 (issue: #67594)

Security

• Add REST API specification for SAML APIs #72839 (issue: #67189)
• Cache API key hashing results on creation time #74106
• Expose API Key metadata to SetSecurityUser ingest processor #72137 (issue: #71024)
• Move hashing on API key creation to crypto thread pool #74165 (issue: #74106)
• Service Accounts – show token name for name validation failures #73131 (issue: #73081)

Snapshot/Restore

• Abort writes in repo analyzer #72077 (issue: #72051)
• Add more snapshot details to repo data #72232
• Allow some repository settings to be updated dynamically #72543
• Cache RepositoryData outright instead of serialized #73190
• Introduce next field in paginated GetSnapshots Response #74236 (issue: #73952)
• Introduce SNAPSHOT_META thread pool for fetching repository metadata #73172
• Make large bulk snapshot deletes more memory efficient #72788
• Make GetSnapshotsAction cancellable #72644
• Make SnapshotStatusAction cancellable #73818 (issue: #72644)
• Pagination and sorting for get snapshots API #73952
• Prevent deletion of repositories that are used by snapshot-backed indices #73714
• Reroute when new repository is registered #73761 (issues: #73669, #73714)
• Save memory on large repository metadata blob writes #74313

Task Management

• Add support for Rest XPackUsage task cancellation #72304
• Add support for RestGetMapping cancellation #72234
• Add support for task cancellation to TransportMasterNodeAction #72157
• Identify cancelled tasks in list tasks API #72931 (issue: #72907)
• Log at DEBUG only on disconnect during cancellation #74042 (issues: #65443, #72968)

Transform

• Add support for top metrics #71850 (issues: #51925, #52236)
• Improve error message when user lacks privilege in _preview endpoint #72002 (issue: #72715)
• Optmize histogam group_by change detection #74031 (issue: #63801)

Aggregations

• Fix mapping error to indicate values field #74132
• Prevent date_histogram from OOMing #72081 (issue: #71758)
• Properly size empty filters #71864
• Only enable “filter by filter” optimization for terms, date_histogram, range, and filters aggregation when we’re sure it’ll be faster #74260

CRUD

• Move get-aliases handling onto management thread #74053

CompositeAggs

• Fail composite aggregation if after key is unparsable #74252

Distributed

• Change REST status code for TaskCancelledException to 400 #73524

Features/Ingest

• Dissect parsing: An % occurring in the delimiter causes incorrect capture of the ${key} that follows #72876
• Fix ignore_missing takes no effect in rename ingest processor #74248 (issue: #74241)

Features/Java High Level REST Client

• Fix comparison of identical values leads to a bug of non-effective value #74040

Geo

• Do not over-allocate when resizing in GeoHashTiler with bounds #72539 (issue: #72521)
• Handle properly precision 0 for BoundedGeoTileGrid #72800
• [Geopoint] Grid aggregations with bounds should exclude touching tiles #72493 (issue: #72295)
• [Geoshape] Grid aggregations with bounds should exclude touching tiles #72295
• GeoShapeIndexer#prepareForIndex should be called for computing the doc value centroid #73856 (issue: #73836)

Highlighting

• Fix plain highlighter ordering for none #74084 (issue: #58236)
• Fix highlighting for match_phrase_prefix query inside nested #73775 (issue: #70922)

Infra/Core

• Change year max digits for strict_date_optional_time and date_optional_time #73034 (issues: #52396, #72191)

Infra/Logging

• Fix deprecation logs throttling for deprecated routes #73051 (issue: #73002)

Infra/Scripting

• Fix several function reference bugs in Painless #73538

Machine Learning

• Make atomic operations safer for aarch64 #1893
• Ensure bucket event_count is calculated for jobs with 1 second bucket spans #1909

Mapping

• Check total field limit at parse time #73713 (issue: #73460)

Packaging

• Allow container restarts with file logging #73101 (issue: #72702)

Recovery

• Avoid multiline check-index log messages #74303 (issues: #74233, #74299)

Search

• Dynamic runtime to not dynamically create objects #74234 (issue: #65489)
• TermsEnum API – allow null search strings #73144 (issue: #73141)

Snapshot/Restore

• Fix edge-case threading bug in TransportMountSearchableSnapshotAction #73196
• Fix SnapshotInfo.fromXContentInternal not fully consuming parser #73268 (issue: #73149)
• Fix SnapshotShardFailure.toXContent serialization issue #72801

TLS

• Fix error reporting for SSL resources outside of config dir #64235 (issue: #63451)

Features/Monitoring

• Monitor Beat version #73932 (issue: #26214)

Infra/Core

• Upgrade Azure SDK and Jackson (#72833) #72995 (issues: #66555, #67214, #72833)

Network

• Upgrade netty to 4.1.63 #73011

Packaging

• Bump bundled JDK to 16.0.1 #73057

转自 https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-7.14.0.html