- Elasticsearch Guide: other versions:
- Elasticsearch introduction
- Getting started with Elasticsearch
- Set up Elasticsearch
- Installing Elasticsearch
- Configuring Elasticsearch
- Important Elasticsearch configuration
- Important System Configuration
- Bootstrap Checks
- Heap size check
- File descriptor check
- Memory lock check
- Maximum number of threads check
- Max file size check
- Maximum size virtual memory check
- Maximum map count check
- Client JVM check
- Use serial collector check
- System call filter check
- OnError and OnOutOfMemoryError checks
- Early-access check
- G1GC check
- All permission check
- Starting Elasticsearch
- Stopping Elasticsearch
- Adding nodes to your cluster
- Installing X-Pack
- Set up X-Pack
- Configuring X-Pack Java Clients
- X-Pack Settings
- Bootstrap Checks for X-Pack
- Upgrade Elasticsearch
- API Conventions
- Document APIs
- Search APIs
- Aggregations
- Metrics Aggregations
- Avg Aggregation
- Weighted Avg Aggregation
- Cardinality Aggregation
- Extended Stats Aggregation
- Geo Bounds Aggregation
- Geo Centroid Aggregation
- Max Aggregation
- Min Aggregation
- Percentiles Aggregation
- Percentile Ranks Aggregation
- Scripted Metric Aggregation
- Stats Aggregation
- Sum Aggregation
- Top Hits Aggregation
- Value Count Aggregation
- Median Absolute Deviation Aggregation
- Bucket Aggregations
- Adjacency Matrix Aggregation
- Auto-interval Date Histogram Aggregation
- Children Aggregation
- Composite Aggregation
- Date Histogram Aggregation
- Date Range Aggregation
- Diversified Sampler Aggregation
- Filter Aggregation
- Filters Aggregation
- Geo Distance Aggregation
- GeoHash grid Aggregation
- Global Aggregation
- Histogram Aggregation
- IP Range Aggregation
- Missing Aggregation
- Nested Aggregation
- Parent Aggregation
- Range Aggregation
- Reverse nested Aggregation
- Sampler Aggregation
- Significant Terms Aggregation
- Significant Text Aggregation
- Terms Aggregation
- Pipeline Aggregations
- Avg Bucket Aggregation
- Derivative Aggregation
- Max Bucket Aggregation
- Min Bucket Aggregation
- Sum Bucket Aggregation
- Stats Bucket Aggregation
- Extended Stats Bucket Aggregation
- Percentiles Bucket Aggregation
- Moving Average Aggregation
- Moving Function Aggregation
- Cumulative Sum Aggregation
- Bucket Script Aggregation
- Bucket Selector Aggregation
- Bucket Sort Aggregation
- Serial Differencing Aggregation
- Matrix Aggregations
- Caching heavy aggregations
- Returning only aggregation results
- Aggregation Metadata
- Returning the type of the aggregation
- Metrics Aggregations
- Indices APIs
- Create Index
- Delete Index
- Get Index
- Indices Exists
- Open / Close Index API
- Shrink Index
- Split Index
- Rollover Index
- Put Mapping
- Get Mapping
- Get Field Mapping
- Types Exists
- Index Aliases
- Update Indices Settings
- Get Settings
- Analyze
- Index Templates
- Indices Stats
- Indices Segments
- Indices Recovery
- Indices Shard Stores
- Clear Cache
- Flush
- Refresh
- Force Merge
- cat APIs
- Cluster APIs
- Query DSL
- Scripting
- Mapping
- Analysis
- Anatomy of an analyzer
- Testing analyzers
- Analyzers
- Normalizers
- Tokenizers
- Standard Tokenizer
- Letter Tokenizer
- Lowercase Tokenizer
- Whitespace Tokenizer
- UAX URL Email Tokenizer
- Classic Tokenizer
- Thai Tokenizer
- NGram Tokenizer
- Edge NGram Tokenizer
- Keyword Tokenizer
- Pattern Tokenizer
- Char Group Tokenizer
- Simple Pattern Tokenizer
- Simple Pattern Split Tokenizer
- Path Hierarchy Tokenizer
- Path Hierarchy Tokenizer Examples
- Token Filters
- Standard Token Filter
- ASCII Folding Token Filter
- Flatten Graph Token Filter
- Length Token Filter
- Lowercase Token Filter
- Uppercase Token Filter
- NGram Token Filter
- Edge NGram Token Filter
- Porter Stem Token Filter
- Shingle Token Filter
- Stop Token Filter
- Word Delimiter Token Filter
- Word Delimiter Graph Token Filter
- Multiplexer Token Filter
- Conditional Token Filter
- Predicate Token Filter Script
- Stemmer Token Filter
- Stemmer Override Token Filter
- Keyword Marker Token Filter
- Keyword Repeat Token Filter
- KStem Token Filter
- Snowball Token Filter
- Phonetic Token Filter
- Synonym Token Filter
- Parsing synonym files
- Synonym Graph Token Filter
- Compound Word Token Filters
- Reverse Token Filter
- Elision Token Filter
- Truncate Token Filter
- Unique Token Filter
- Pattern Capture Token Filter
- Pattern Replace Token Filter
- Trim Token Filter
- Limit Token Count Token Filter
- Hunspell Token Filter
- Common Grams Token Filter
- Normalization Token Filter
- CJK Width Token Filter
- CJK Bigram Token Filter
- Delimited Payload Token Filter
- Keep Words Token Filter
- Keep Types Token Filter
- Exclude mode settings example
- Classic Token Filter
- Apostrophe Token Filter
- Decimal Digit Token Filter
- Fingerprint Token Filter
- MinHash Token Filter
- Remove Duplicates Token Filter
- Character Filters
- Modules
- Index Modules
- Ingest Node
- Pipeline Definition
- Ingest APIs
- Accessing Data in Pipelines
- Conditional Execution in Pipelines
- Handling Failures in Pipelines
- Processors
- Append Processor
- Bytes Processor
- Convert Processor
- Date Processor
- Date Index Name Processor
- Dissect Processor
- Dot Expander Processor
- Drop Processor
- Fail Processor
- Foreach Processor
- GeoIP Processor
- Grok Processor
- Gsub Processor
- Join Processor
- JSON Processor
- KV Processor
- Lowercase Processor
- Pipeline Processor
- Remove Processor
- Rename Processor
- Script Processor
- Set Processor
- Set Security User Processor
- Split Processor
- Sort Processor
- Trim Processor
- Uppercase Processor
- URL Decode Processor
- User Agent processor
- Managing the index lifecycle
- SQL Access
- Monitor a cluster
- Rolling up historical data
- Frozen indices
- Set up a cluster for high availability
- Secure a cluster
- Overview
- Configuring security
- Encrypting communications in Elasticsearch
- Encrypting communications in an Elasticsearch Docker Container
- Enabling cipher suites for stronger encryption
- Separating node-to-node and client traffic
- Configuring an Active Directory realm
- Configuring a file realm
- Configuring an LDAP realm
- Configuring a native realm
- Configuring a PKI realm
- Configuring a SAML realm
- Configuring a Kerberos realm
- FIPS 140-2
- Security settings
- Security files
- Auditing Settings
- How security works
- User authentication
- Built-in users
- Internal users
- Token-based authentication services
- Realms
- Realm chains
- Active Directory user authentication
- File-based user authentication
- LDAP user authentication
- Native user authentication
- PKI user authentication
- SAML authentication
- Kerberos authentication
- Integrating with other authentication systems
- Enabling anonymous access
- Controlling the user cache
- Configuring SAML single-sign-on on the Elastic Stack
- User authorization
- Auditing security events
- Encrypting communications
- Restricting connections with IP filtering
- Cross cluster search, tribe, clients, and integrations
- Tutorial: Getting started with security
- Tutorial: Encrypting communications
- Troubleshooting
- Can’t log in after upgrading to 6.8.23
- Some settings are not returned via the nodes settings API
- Authorization exceptions
- Users command fails due to extra arguments
- Users are frequently locked out of Active Directory
- Certificate verification fails for curl on Mac
- SSLHandshakeException causes connections to fail
- Common SSL/TLS exceptions
- Common Kerberos exceptions
- Common SAML issues
- Internal Server Error in Kibana
- Setup-passwords command fails due to connection failure
- Failures due to relocation of the configuration files
- Limitations
- Alerting on Cluster and Index Events
- Command line tools
- How To
- Glossary of terms
- X-Pack APIs
- Info API
- Cross-cluster replication APIs
- Explore API
- Freeze index
- Index lifecycle management API
- Licensing APIs
- Migration APIs
- Machine learning APIs
- Add events to calendar
- Add jobs to calendar
- Close jobs
- Create calendar
- Create datafeeds
- Create filter
- Create jobs
- Delete calendar
- Delete datafeeds
- Delete events from calendar
- Delete filter
- Delete forecast
- Delete jobs
- Delete jobs from calendar
- Delete model snapshots
- Delete expired data
- Find file structure
- Flush jobs
- Forecast jobs
- Get calendars
- Get buckets
- Get overall buckets
- Get categories
- Get datafeeds
- Get datafeed statistics
- Get influencers
- Get jobs
- Get job statistics
- Get machine learning info
- Get model snapshots
- Get scheduled events
- Get filters
- Get records
- Open jobs
- Post data to jobs
- Preview datafeeds
- Revert model snapshots
- Set upgrade mode
- Start datafeeds
- Stop datafeeds
- Update datafeeds
- Update filter
- Update jobs
- Update model snapshots
- Rollup APIs
- Security APIs
- Authenticate
- Change passwords
- Clear cache
- Clear roles cache
- Create API keys
- Create or update application privileges
- Create or update role mappings
- Create or update roles
- Create or update users
- Delete application privileges
- Delete role mappings
- Delete roles
- Delete users
- Disable users
- Enable users
- Get API key information
- Get application privileges
- Get role mappings
- Get roles
- Get token
- Get users
- Has privileges
- Invalidate API key
- Invalidate token
- SSL certificate
- Unfreeze index
- Watcher APIs
- Definitions
- Release Highlights
- Breaking changes
- Release Notes
- Elasticsearch version 6.8.23
- Elasticsearch version 6.8.22
- Elasticsearch version 6.8.21
- Elasticsearch version 6.8.20
- Elasticsearch version 6.8.19
- Elasticsearch version 6.8.18
- Elasticsearch version 6.8.17
- Elasticsearch version 6.8.16
- Elasticsearch version 6.8.15
- Elasticsearch version 6.8.14
- Elasticsearch version 6.8.13
- Elasticsearch version 6.8.12
- Elasticsearch version 6.8.11
- Elasticsearch version 6.8.10
- Elasticsearch version 6.8.9
- Elasticsearch version 6.8.8
- Elasticsearch version 6.8.7
- Elasticsearch version 6.8.6
- Elasticsearch version 6.8.5
- Elasticsearch version 6.8.4
- Elasticsearch version 6.8.3
- Elasticsearch version 6.8.2
- Elasticsearch version 6.8.1
- Elasticsearch version 6.8.0
- Elasticsearch version 6.7.2
- Elasticsearch version 6.7.1
- Elasticsearch version 6.7.0
- Elasticsearch version 6.6.2
- Elasticsearch version 6.6.1
- Elasticsearch version 6.6.0
- Elasticsearch version 6.5.4
- Elasticsearch version 6.5.3
- Elasticsearch version 6.5.2
- Elasticsearch version 6.5.1
- Elasticsearch version 6.5.0
- Elasticsearch version 6.4.3
- Elasticsearch version 6.4.2
- Elasticsearch version 6.4.1
- Elasticsearch version 6.4.0
- Elasticsearch version 6.3.2
- Elasticsearch version 6.3.1
- Elasticsearch version 6.3.0
- Elasticsearch version 6.2.4
- Elasticsearch version 6.2.3
- Elasticsearch version 6.2.2
- Elasticsearch version 6.2.1
- Elasticsearch version 6.2.0
- Elasticsearch version 6.1.4
- Elasticsearch version 6.1.3
- Elasticsearch version 6.1.2
- Elasticsearch version 6.1.1
- Elasticsearch version 6.1.0
- Elasticsearch version 6.0.1
- Elasticsearch version 6.0.0
- Elasticsearch version 6.0.0-rc2
- Elasticsearch version 6.0.0-rc1
- Elasticsearch version 6.0.0-beta2
- Elasticsearch version 6.0.0-beta1
- Elasticsearch version 6.0.0-alpha2
- Elasticsearch version 6.0.0-alpha1
- Elasticsearch version 6.0.0-alpha1 (Changes previously released in 5.x)
NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Elasticsearch version 6.6.0
editElasticsearch version 6.6.0
editAlso see Breaking changes in 6.6..
Breaking changes
edit- Cross-cluster replication
- Ranking
- Search
- Watcher
Breaking Java changes
editDeprecations
edit- Aggregations
- Core
- Features
- Mapping
- Scripting
- Search
- Security
- Settings
- Watcher
New features
edit- Aggregations
- Analysis
- Index Lifecycle Management
-
- Adds Index lifecycle feature #35193
- Java High Level REST Client
- Java Low Level REST Client
- Geo
- Machine learning
- Search
- SQL
Enhancements
edit- Aggregations
-
- Enforce max_buckets limit only in the final reduction phase #36152 (issues: #32125, #35921)
- Histogram aggs: add empty buckets only in the final reduce step #35921
- Handles exists query in composite aggs #35758
- Added parent validation for auto date histogram #35670
- Allow unmapped fields in composite aggregations #35331 (issue: #35317)
- Refactor children aggregator into a generic ParentJoinAggregator #34845 (issue: #34210)
- Add parent-aggregation to parent-join module #34210 (issue: #9705)
- Analysis
- Audit
-
- Add "request.id" to file audit logs #35536
- Authentication
-
- Invalidate Token API enhancements - HLRC #36362
- Add DEBUG/TRACE logs for LDAP bind #36028
- Add Tests for findSamlRealm #35905
- Add realm information for Authenticate API #35648
- Formal support for "password_hash" in Put User #35242 (issue: #34729)
- Enhance Invalidate Token API #35388 (issues: #34556, #35115)
- Authorization
- Build
- Core
- Cross-cluster replication
-
- Add time since last auto follow fetch to auto follow stats #36542 (issues: #33007, #35895)
- Clean followed leader index UUIDs in auto follow metadata #36408 (issue: #33007)
- Change AutofollowCoordinator to use wait_for_metadata_version #36264 (issues: #33007, #35895)
- Refactor AutoFollowCoordinator to track leader indices per remote cluster #36031 (issues: #33007, #35895)
- Refactor auto follow coordinator #35895 (issue: #33007)
- CRUD
-
- Document Seq No powered optimistic concurrency control #37284 (issues: #10708, #36148)
- Rename seq# powered optimistic concurrency control parameters to ifSeqNo/ifPrimaryTerm #36757 (issues: #10708, #36148)
- Expose Sequence Number based Optimistic Concurrency Control in the rest layer #36721 (issues: #10708, #36148)
- Add doc’s sequence number + primary term to GetResult and use it for updates #36680 (issues: #10708, #36148)
- Add seq no powered optimistic locking support to the index and delete transport actions #36619 (issues: #10708, #36148)
- Distributed
-
- Allow asynchronous block operations to be delayed in IndexShardOperationPermits #35999 (issues: #35540, #35850)
- TransportResyncReplicationAction should not honour blocks #35795 (issues: #35332, #35597)
- Add global and index level blocks to IndexSettings #35695 (issues: #35332, #35597)
- Expose all permits acquisition in IndexShard and TransportReplicationAction #35540 (issue: #33888)
- Add a java level freeze/unfreeze API #35353 (issues: #34352, #34357)
- Check blocks while having index shard permit in TransportReplicationAction #35332 (issue: #33888)
- Apply masterNodeTimeout to MasterNodeRequest transmission #35235
- Engine
-
- Add sequence numbers based optimistic concurrency control support to Engine #36467 (issues: #10708, #36148)
- Require soft-deletes when access changes snapshot #36446
- Use delCount of SegmentInfos to calculate numDocs #36323
- Always configure soft-deletes field of IndexWriterConfig #36196 (issue: #36141)
-
Always return false from
refreshNeeded
on ReadOnlyEngine #35837 (issue: #35785) -
Add a
_freeze
/_unfreeze
API #35592 (issue: #34352) - Engine.newChangesSnapshot may cause unneeded refreshes if called concurrently #35169
- Do not alloc full buffer for small change requests #35158
- Add IndexShardOperationPermits.asyncBlockOperations(ActionListener<Releasable>) #34902 (issue: #33888)
- Add a frozen engine implementation #34357 (issue: #34352)
- Features
-
- Deprecation check for discovery configuration #36666 (issue: #36024)
- Simplify deprecation issue levels #36326
- Deprecation check for tribe node #36240 (issue: #36024)
-
Deprecation check for
:
in Cluster/Index name #36185 (issue: #36024) - Deprecation check for renamed bulk threadpool settings #36662 (issue: #36024)
- Deprecation check for audit log prefix settings #36661 (issue: #36024)
- Deprecation check for classic similarity #36577 (issue: #36024)
- Deprecation check for HTTP pipelining #36521 (issue: #36024)
- Deprecation check for index threadpool #36520 (issue: #36024)
- Deprecation check for percolator.map_unmapped_fields_as_string #36460 (issue: #36024)
- Deprecation check for http.enabled setting #36394 (issues: #29601, #36024)
- Deprecation check for File Discovery plugin #36190 (issue: #36024)
- Geo
- Ingest
- Java High Level REST Client
-
- Add HLRC support for pause follow API #35216 (issue: #33824)
- Add security Create Token API #34791
- Add start rollup job support to HL REST Client #34623 (issue: #29827)
- Add security authenticate API #33552
- Add get users action #36332 (issue: #29827)
- Add delete template API #36320 (issue: #27205)
- Implement get-user-privileges API #36292
- Get Deprecation Info API #36279 (issue: #29827)
- Added support for Follow Stats API #36253 (issue: #33824)
- Added support for CCR Stats API #36213 (issue: #33824)
- Put Role #36209 (issue: #29827)
- Add index templates exist API #36132 (issue: #27205)
- Add support for CCR Get Auto Follow Pattern apis #36049 (issue: #33824)
- Add support for CCR Delete Auto Follow Pattern API #35981 (issue: #33824)
- Remove fromXContent from IndexUpgradeInfoResponse #35934
- Add delete expired data API #35906 (issue: #29827)
- Execute watch API #35868 (issue: #29827)
- Add ability to put user with a password hash #35844 (issue: #35242)
- Add ML find file structure API #35833 (issue: #29827)
- Add support for get roles API #35787 (issue: #29827)
- Add support for CCR Put Auto Follow Pattern API #35780 (issue: #33824)
- XPack ML info action #35777 (issue: #29827)
- ML Delete event from Calendar #35760 (issue: #29827)
- Add ML revert model snapshot API #35750 (issue: #29827)
- ML Get Calendar Events #35747 (issue: #29827)
-
Add high-level REST client API for
_freeze
and_unfreeze
#35723 (issue: #34352) - Fix issue in equals impl for GlobalOperationPrivileges #35721
- ML Delete job from calendar #35713 (issue: #29827)
- ML Add Event To Calendar API #35704 (issue: #29827)
- Add ML update model snapshot API (#35537) #35694 (issue: #29827)
- Add support for CCR Unfollow API #35693 (issue: #33824)
- Clean up PutLicenseResponse #35689 (issue: #35547)
- Clean up StartBasicResponse #35688 (issue: #35547)
- Add support for put privileges API #35679
- Add Job to Calendar API #35666 (issue: #29827)
- Add support for CCR Resume Follow API #35638 (issue: #33824)
- Add support for get application privileges API #35556 (issue: #29827)
- Clean up XPackInfoResponse class and related tests #35547
- Add parameters to stopRollupJob API #35545 (issue: #34811)
- Add ML delete model snapshot API #35537 (issue: #29827)
- Add get watch API #35531 (issue: #29827)
- Add ML Update Filter API #35522 (issue: #29827)
- Add ML get filters api #35502 (issue: #29827)
- Add ML get model snapshots API #35487 (issue: #29827)
- Add "_has_privileges" API to Security Client #35479 (issue: #29827)
- Add Delete Privileges API to HLRC #35454 (issue: #29827)
- Add support for CCR Put Follow API #35409
- Add ML delete filter action #35382 (issue: #29827)
- Add delete user action #35294 (issue: #29827)
- HLRC for _mtermvectors #35266 (issues: #27205, #33447)
- Reindex API with wait_for_completion false #35202 (issue: #27205)
- Add watcher stats API #35185 (issue: #29827)
- Add ML API PUT filter #35175 (issue: #29827)
- HLRC support for getTask #35166 (issue: #27205)
- Add support for the clear realm cache API #35163 (issue: #29827)
- Add InvalidateToken security API #35114 (issue: #29827)
- Add GetRollupIndexCaps API #35102 (issue: #29827)
- Migration api - upgrade #34898 (issue: #29827)
- Add Update datafeed API #34882 (issue: #29827)
- Add stop rollup job support to HL REST Client #34702 (issue: #29827)
- Bulk Api support for global parameters #34528 (issue: #26026)
- Add support for source exists API #34519 (issue: #27205)
- Add document _count API support to Rest High Level Client. #34267 (issue: #27205)
- Add delete rollup job support to HL REST Client #34066 (issue: #29827)
- HLRC API for _termvectors #33447 (issue: #27205)
- Add support for get license basic/trial status API #33176 (issue: #29827)
- Small corrections to HLRC doc for _termvectors #35221 (issue: #33447)
- Java Low Level REST Client
-
- On retry timeout add root exception #25576
- Machine Learning
-
- Create the machine learning annotations index #36731 (issue: #33376)
- Add cluster setting to enable/disable config migration #36700 (issue: #32905)
-
Enable the use of endpoints starting with
_ml
instead of_xpack/ml
#36373 (issue: #36315) - Add audits when deprecation warnings occur while datafeeds start #36233
- Add lazy parsing for DatafeedConfig:Aggs,Query #36117
- Add support for rollup indexes in datafeeds #34654
- Monitoring
- Network
- Packaging
- Plugins
-
- Plugin install: don’t print download progress in batch mode #36361
- Recovery
- Rollup
- Scripting
- Search
-
- Use SearchRequest copy constructor in ExpandSearchPhase #36772 (issue: #36641)
- Add copy constructor to SearchRequest #36641 (issue: #32125)
- Add raw sort values to SearchSortValues transport serialization #36617 (issue: #32125)
-
Warn when using
use_dis_max
inmulti_match
#36614 (issue: #36488) - Add sort and collapse info to SearchHits transport serialization #36555 (issue: #32125)
- Add default methods to DocValueFormat #36480
- Extend field caps API to mark meta fields #36309
- Respect indices options on _msearch #35887
- Allow efficient can_match phases on frozen indices #35431 (issues: #34352, #34357)
-
Apply
ignore_throttled
also to concrete indices #35335 (issue: #34354) - Adapt field limit deprecation warning #35302 (issue: #35284)
- Upgrade 6.x to lucene-7.6.0-snapshot-f9598f335b #35225
- Prevent throttled indices to be searched through wildcards by default #34354 (issues: #33732, #34352)
- check for null argument is already done in splitStringByCommaToArray #34268
- has_parent builder: exception message/param fix #31182
- Security
- Snapshot/Restore
- SQL
-
-
Make
FULL
non-reserved keyword in the grammar #37377 (issue: #37376) - Extend the ODBC metric by differentiating between 32 and 64bit platforms #36753 (issue: #36740)
- Fix wrong appliance of StackOverflow limit for IN #36724 (issue: #36592)
- Introduce NOW/CURRENT_TIMESTAMP function #36562 (issue: #36534)
- Move requests' parameters to requests JSON body #36149 (issue: #35992)
- Make INTERVAL millis optional #36043 (issue: #36032)
- Implement data type verification for conditionals #35916 (issue: #35907)
- Implement GREATEST and LEAST functions #35879 (issue: #35878)
-
Implement null safe equality operator
<=>
#35873 (issue: #35871) - SYS COLUMNS returns ODBC specific schema #35870 (issue: #35376)
- Polish grammar for intervals #35853
- Add filtering to SYS TYPES #35852 (issue: #35342)
- Implement NULLIF(expr1, expr2) function #35826 (issue: #35818)
- Lock down JDBC driver #35798 (issue: #35437)
- Implement NVL(expr1, expr2) #35794 (issue: #35782)
- Implement ISNULL(expr1, expr2) #35793 (issue: #35781)
- Implement IFNULL variant of COALESCE #35762 (issue: #35749)
- XPack FeatureSet functionality #35725 (issue: #34821)
- Perform lazy evaluation of mismatched mappings #35676 (issues: #35659, #35675)
- Improve validation of unsupported fields #35675 (issue: #35673)
- Move internals from Joda to java.time #35649 (issue: #35633)
- Improve CircuitBreaker logic for SqlParser #35300 (issue: #35299)
- Upgrade jline to version 3.8.2 #35288
- New SQL CLI logo #35261
- Introduce Coalesce function #35253 (issue: #35060)
- Optimizer rule for folding nullable expressions #35080 (issue: #34826)
-
Improve painless script generated from
IN
#35055 (issue: #34750) - Implement CAST between STRING and IP #34949 (issue: #34799)
- Fix function args verification and error msgs #34926 (issues: #33469, #34752)
- Handle X-Pack or X-Pack SQL not being available in a more graceful way #34736 (issue: #30009)
-
Make
- Stats
- Task Management
Bug fixes
edit- Aggregations
-
- Fix MultiValuesSourceFieldConfig toXContent #36525 (issue: #36474)
- Cache the score of the parent document in the nested agg #36019 (issues: #34555, #35985)
- Correct implemented interface of ParsedReverseNested #35455 (issue: #35449)
- Handle IndexOrDocValuesQuery in composite aggregation #35392
-
Preserve
format
when aggregation contains unmapped date fields #35254 (issue: #31760) - Check self references in metric agg after last doc collection (#33593) #34001
- Audit
- Authentication
- Build
- Circuit Breakers
- Core
-
- Revert back to joda’s multi date formatters #36814 (issues: #36447, #36602)
- Fix CompositeBytesReference#slice to not throw AIOOBE with legal offsets. #35955 (issue: #35950)
- Suppress CachedTimeThread in hot threads output #35558 (issue: #23175)
- Upgrade to Joda 2.10.1 #35410 (issue: #33749)
- XContent: Check for bad parsers #34561 (issue: #34351)
- Cross-cluster replication
-
- Add fatal_exception field for ccr stats in monitoring mapping #37563
- When removing an AutoFollower also mark it as removed. #37402 (issue: #36761)
- Make shard follow tasks more resilient for restarts #37239 (issue: #37231)
- Resume follow Api should not require a request body #37217 (issue: #37022)
- Report error if auto follower tries auto follow a leader index with soft deletes disabled #36886 (issue: #33007)
- Remote cluster license checker and no license info. #36837 (issue: #36815)
- Make CCR resilient against missing remote cluster connections #36682 (issues: #36255, #36667)
- Fix follow stats API’s follower index filtering feature #36647
- AutoFollowCoordinator and follower index already created #36540 (issue: #33007)
- AutoFollowCoordinator should tolerate that auto follow patterns may be removed #35945 (issue: #35937)
- Only auto follow indices when all primary shards have started #35814 (issue: #35480)
- Avoid NPE in follower stats when no tasks metadata #35802
- Fix the names of CCR stats endpoints in usage API #35438
- CRUD
- Distributed
- Engine
- Features
- Geo
-
- More robust handling of ignore_malformed in geoshape parsing #35603 (issues: #34047, #34498)
- Better handling of malformed geo_points #35554 (issue: #35419)
- Enables coerce support in WKT polygon parser #35414 (issue: #35059)
- Further improve robustness of geo shape parser for malformed shapes #34498 (issues: #31449, #34047)
- Index lifecycle management
-
-
Remove
indexing_complete
when removing policy #36620
-
Remove
- Index APIs
- Ingest
- Machine Learning
-
- Fix cause of "Sample out of bounds" error message. #335
- Fix hang when closing a job or creating a forecast. This problem occurs if you created a forecast for a large job and temporary storage was not cleaned up. #352 (issue: #350)
- Wait for autodetect to be ready in the datafeed #37349 (issues: #36810, #37227)
- Stop datafeeds when their jobs are stale #37227 (issue: #36810)
- Order get job stats API response by job id #36841 (issue: #36683)
- Mapping
-
- Make sure to accept empty unnested mappings in create index requests. #37089
- Monitoring
- Network
- Packaging
- Ranking
- Recovery
-
- Register ResyncTask.Status as a NamedWriteable #36610
- Rollup
- Scripting
-
- Properly support no-offset date formatting #36316 (issue: #36306)
- [Painless] Generate Bridge Methods #36097
- Fix serialization bug in painless execute api request #36075 (issue: #36050)
- Actually add joda time back to whitelist #35965 (issue: #35915)
- Add back joda to whitelist #35915 (issue: #35913)
- [Painless] Partially fixes def boxed types casting #35563 (issue: #35351)
- Add back lookup vars in score script #34833
- Search
-
- Inner hits fail to propagate doc-value format. (#36310) #36355 (issue: #36310)
- Fix custom AUTO issue with Fuzziness#toXContent #35807 (issue: #33462)
- Fix analyzed prefix query in query_string #35756 (issue: #31702)
- Fix problem with MatchNoDocsQuery in disjunction queries #35726 (issue: #34708)
- Fix phrase_slop in query_string query #35533 (issue: #35125)
- Add a More Like This query routing requirement check (#29678) #33974
- Security
- Settings
- Snapshot/Restore
- SQL
-
- Fix issue with field names containing "." #37364 (issue: #37128)
- Proper handling of COUNT(field_name) and COUNT(DISTINCT field_name) #37254 (issue: #30285)
- Fix COUNT DISTINCT filtering #37176 (issue: #37086)
- Fix issue with wrong NULL optimization #37124 (issue: #35872)
- Count distinct doesn’t recognize that a string field has a keyword version #37176 (issue: #37087)
- Handle the bwc Joda ZonedDateTime scripting class in Painless #37024 (issue: #37023)
- Fix bug regarding histograms usage in scripting #36866
- Fix issue with always false filter involving functions #36830 (issue: #35980)
- Protocol returns ISO 8601 String formatted dates instead of Long for JDBC/ODBC requests #36800 (issue: #36756)
- Fix translation of LIKE/RLIKE keywords #36672 (issues: #36039, #36584)
- Scripting support for casting functions CAST and CONVERT #36640 (issue: #36061)
- Fix translation to painless for conditionals #36636 (issue: #36631)
- Concat should be always not nullable #36601 (issue: #36169)
- Fix MOD() for long and integer arguments #36599 (issue: #36364)
- Fix issue with complex HAVING and GROUP BY ordinal #36594 (issue: #36059)
- Be lenient for tests involving comparison to H2 but strict for csv spec tests #36498 (issue: #36483)
- Non ISO 8601 versions of DAY_OF_WEEK and WEEK_OF_YEAR functions #36358 (issue: #36263)
- Do not ignore all fields whose names start with underscore #36214 (issue: #36206)
- SUM() and LIKE condition doesn’t work anymore #36672 (issue: #36161)
- Fix issue with wrong data type for scripted Grouping keys #35969 (issue: #35662)
- Fix translation of math functions to painless #35910 (issue: #35654)
- Build: Fix jdbc jar to include deps #35602
- Fix query translation for scripted queries #35408 (issue: #35232)
- Clear the cursor if nested inner hits are enough to fulfill the query required limits #35398 (issue: #35176)
- Fix null handling for AND and OR in SELECT #35277 (issue: #35240)
-
Handle null literal for AND and OR in
WHERE
#35236 (issue: #35088) - Introduce NotEquals node to simplify expressions #35234 (issues: #35210, #35233)
- Introduce IsNull node to simplify expressions #35206 (issues: #34876, #35171)
- Handle wildcard expansion on incorrect fields #35134 (issue: #35092)
- Fix null handling for IN ⇒ painless script #35124 (issues: #35108, #35122)
- Register missing processors #35121 (issue: #35119)
- Fix NPE thrown if HAVING filter evals to null #35108 (issue: #35107)
- Proper handling of nested fields at the beginning of the columns list #35068 (issue: #32951)
- Fix incorrect AVG data type #34948 (issue: #33773)
-
Add
CAST
andCONVERT
toSHOW FUNCTIONS
#34940 (issue: #34939) - Handle aggregation for null group #34916 (issue: #34896)
- Provide null-safe scripts for Not and Neg #34877 (issue: #34848)
- Return error with ORDER BY on non-grouped. #34855 (issue: #34590)
- Fix negation of equals comparison. #34680 (issue: #34558)
- CAST doesn’t work in ORDER BY. #36640 (issue: #34557)
- COUNT(column) takes into account NULLs #37254 (issue: #34549)
- Watcher
Regressions
editUpgrades
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