Elasticsearch 7.15.0 发布

Infra/Core

• Remove quota-aware-fs plugin #76352 (issue: #70309)

Search

• Remove xpack actions for vector field #75017 (issues: #53076, #74974)

Store

• Deprecate SimpleFS and replace it with NIOFS #75156

EQL

• Add multi-valued fields support. Part 1 #74567
• Backwards compatibility support for multi value fields update #76605
• Multi-value fields support #76610

Geo

• Remove vector tile feature flag #76068

Infra/Node Lifecycle

• Remove Node Shutdown API feature flag #76588 (issue: #70338)

Machine Learning

• Add model_prune_window field to AD job config #75741 (issue: #1962)

Mapping

• Unsigned longs should be compatible with index sorting #75599

Allocation

• Clarify allocation explain if random shard chosen #75670
• Prefer primaries in cluster allocation explain #76220

Authentication

• Add kibana-system service account #76449
• Support 2b and 2y prefixes in bcrypt #76083 (issues: #51132, #56086)
• Support password_hash for Change Password API #75500

Authorization

• Add threshold time logging for Authorized indices #75439
• Fix privileges for GetRollupIndexCapabilities API #75614 (issue: #74779)
• Granting kibana_system reserved role access to “all” privileges to .internal.alerts* index #76624

Cluster Coordination

• Distinguish timeouts/failures in follower checker #75519
• Indicate quorumness of discovered nodes earlier #74823
• Warn on possible master service starvation #74820

Data streams

• Add filter support to data stream aliases #74784 (issue: #66163)

EQL

• Minimise CCS roundtrips #76076

Engine

• Refresh after force-merge #76221 (issue: #74649)

Geo

• Add mvt field type format to geo fields #75367 (issue: #73872)

ILM+SLM

• Add phase configs to ILM telemetry #74575 (issue: #69152)
• Add validation of the number_of_shards parameter in Shrink Action of ILM #74219 (issue: #72724)
• Allow ILM move-to-step without action or name #75435 (issue: #58128)
• Update ILM message for out of order phases error #75099 (issue: #70336)

Infra/CLI

• In MultiCommand, show command list when required #75993

Infra/Logging

• Adds minimal traceparent header support to Elasticsearch #74210

Infra/Plugins

• Add support in plugins for a separate spi classloader #76288 (issue: #74448)

Infra/Resiliency

• Print suggestion to view log on fatal error #75418 (issue: #61767)

Infra/Scripting

• Add Fields API to aggregation scripts and field scripts #76325
• Add ability to allow list instance methods on the script class #76045
• Add fields api to runtime fields contexts #76265
• Script: Def encoding parser #74840
• Script: Fields API for Filter context #76119
• Script: Fields API for Sort and Score scripts #75863 (issue: #61388)
• Script: Mangle user function names #72892 (issue: #69742)
• Script: ulong via fields API #76519 (issue: #64361)

Ingest

• Add support for _meta field to ingest pipelines #75905
• Configurable media_type for mustache template encoding on append processor #76210
• Json processor: add_to_root_conflict_strategy option #74967
• Json processor: allow duplicate keys #74956
• Map iteration support for ForEach processor #64062 (issue: #55215)
• Support for wildcards and override option for dot_expander processor #74601

License

• Add persistent licensed feature tracking #76476

Machine Learning

• Add datafeed_config field to anomaly detection job configs #74265
• Adding datafeed_config to job in high level rest client #75338
• Adding new p_value scoring heuristic to significant terms aggregation #75313
• Delete expired annotations #75617 (issue: #75572)
• Deleting a job now deletes the datafeed if necessary #76010
• Integrating ML with the node shutdown API #75188
• Throttle job audit msgs if delayed data occurs for consecutive buckets #75815 (issue: #73679)
• Speed up training of regression and classification models on very large data sets #1941
• Improve regression and classification training accuracy for small data sets #1960
• Prune models for split fields (by, partition) that haven’t seen data updates for a given period of time #1962

Mapping

• Handle runtime subfields when shadowing dynamic mappings #75595 (issue: #75454)

Network

• Drop ReceiveTimeoutTransportException stack trace #75671
• Ensure indexing_data is compressed appropriately #76321 (issue: #73497)
• Respond with same compression scheme received #76372 (issue: #73497)

Other

• Add resolve_during_rolling_upgrade field to deprecation issue #74226 (issue: #73091)

Packaging

• Accept settings in snake case in Docker image #74327 (issue: #74036)
• Change env var prefix in Docker settings support #76192 (issues: #74327, #76148)
• Reduce default Docker image size in 7.x #75079
• Tighten up write permissions in Docker image #70635

Query Languages

• Introduce ParserUtils to consolidate code #76399

Recovery

• Add peer recoveries using snapshot files when possible #76237 (issue: #73496)
• Add peer recovery planners that take into account available snapshots #75840
• Compute latest snapshot directly in TransportGetShardSnapshotAction #76254 (issue: #73496)
• Keep track of data recovered from snapshots in RecoveryState #76499 (issue: #73496)

Reindex

• Log reindex bulk request completion #75935

Search

• Add index disk usage API #74051 (issue: #74051)
• Allow specifying index in pinned queries #74873 (issue: #67855)
• Compress async search responses before storing #74766 (issue: #67594)
• Emit multiple fields from a runtime field script #75108 (issue: #68203)
• Replaced field_masking_span occurrences with respective ParseField #74718 (issue: #63527)
• Search performance – better caching logic for queries on wildcard field #76035 (issue: #75848)
• Support search slicing with point-in-time #74457 (issue: #65740)
• Track Lucene field usage #74227 (issue: #73944)
• Unsigned long should accept value with zero fraction #75646 (issue: #67565)

Security

• A new search API for API keys – core search function #75335 (issues: #71023, #73705)
• Add sort and pagination support for QueryApiKey API #76144 (issue: #71023)
• HLRC support for query API key API #76520 (issues: #71023, #75335, #76144)
• Query API key – Rest spec and yaml tests #76238 (issue: #71023)
• Return file-backed service tokens from all nodes #75200 (issue: #74530)
• OnChange listener now only runs when there is actual change #75207 (issue: #44701)

Snapshot/Restore

• Add the ability to fetch the latest successful shard snapshot #75080 (issue: #73496)
• Fix SnapshotInfo#toXContent delegation #75899
• Implement Numeric Offset Parameter in Get Snapshots API #76233 (issue: #74350)
• Include extra snapshot details in logs/APIs #75917
• Prevent searchable snapshots indices to be shrunk/split #75227 (issue: #56595)
• Return Total Result Count and Remaining Count in Get Snapshots Response #76150

Stats

• Adding shard count to node stats api #75433
• Aggregate data tier index stats separately from node stats #76322

Store

• Replace internal usages of SimpleFS with NIOFS #74996

TLS

• Add KeyUsage, ExtendedKeyUsage, CipherSuite & Protocol to SSL diagnos… #65634 (issue: #63784)
• Solved issue “certutil: large passwords not set” #30944 #36689

Task Management

• Adding the option to abort persistent tasks locally #74115
• Include reason in cancellation exceptions #75332 (issue: #74825)

Transform

• Align transform checkpoint range with date_histogram interval for better performance #74004 (issue: #62746)
• Changing hard coded 10k page size limit to 65k #74651 (issue: #57719)
• Improve performance by using point in time API for search #74984 (issue: #73481)
• Optimize composite agg execution using ordered groupings #75424

Aggregations

• Fix docCountError calculation for multiple reduces #76391 (issues: #43874, #75667)
• Fix wrong error upper bound when performing incremental reductions #43874 (issue: #40005)

Allocation

• Active masternode crash caused by datanode Input/output error #76480 (issues: #1, #436)

Distributed

• Wrap exception with SendRequestTransportException instead of TransportException #73551

Geo

• Alias field does not work with geo_shape query #74895
• Use contains relation for geo_point intersection over geo_point field #75272 (issue: #75103)

ILM+SLM

• Changing wait_for_snapshot to check start time rather than finish time #75644

Indices APIs

• Fix pending deletes timeout log message #75776

Infra/Core

• Add system data streams to feature state snapshots #75902 (issue: #75860)
• Fix for JarHell Bootstrap Check can yield false positives #76217 (issue: #75701)

Infra/Scripting

• Fix the error message for instance methods that don’t exist #76512

Ingest

• Execute EnrichPolicyRunner on a non dedicated master node #76881 (issue: #70436)

Machine Learning

• Allow for larger models in the inference step for data frame analytics #76116 (issue: #76093)
• Ignore exceptions while opening job after SIGTERM to JVM #75850
• Prevent accidentally asking for more resources when scaling down and improve scaling size estimations #74691 (issue: #74709)
• When setting upgrade mode ensure that internal actions don’t throw unnecessary permissions errors #75880
• Fix potential “process stopped unexpectedly: Fatal error” for training regression and classification models #1997 (issue: #1956)

Network

• Ensure replica requests are marked as index_data (#75008) #75014 (issue: #73497)
• Fix memory/breaker leaks for outbound responses (#76474) #76536 (issues: #65921, #76474)

Search

• Remove invalid path from Open PIT rest spec #77609
• Skip noop normalizing #74656

Security

• Don’t remove warning headers on all failure #76434 (issue: #75739)

Snapshot/Restore

• Fix Get Snapshots Request Cancellation with ignore_unavailable=true #78004 (issue: #77980)
• Fix Spurious Warnings During Snapshot Delete #75911
• Include full blob key in Azure read operations exceptions #75920 (issue: #75916)
• Not throwing FileNotFoundException if BlobContainer has been deleted #75991

Transform

• Fix potential deadlock when using stop_at_checkpoint #76034 (issue: #75846)

Ingest

• Upgrade Tika to 1.27 for ingest #75191

Network

• Upgrade to Netty 4.1.66 #76135

Query Languages

• Upgrade ANTLR and move it into QL #76358 (issues: #74448, #76288, #76354)

Snapshot/Restore

• Upgrade GCS SDK to 1.117.1 #74938

转自 https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-7.15.0.html