- Elasticsearch Guide: other versions:
- What is Elasticsearch?
- What’s new in 7.11
- Getting started with Elasticsearch
- Set up Elasticsearch
- Installing Elasticsearch
- Configuring Elasticsearch
- Setting JVM options
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- Important System Configuration
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- Starting Elasticsearch
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- Overview
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- Built-in analyzer reference
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- Apostrophe
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- Limit token count
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- Multiplexer
- N-gram
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- Shingle
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- Synonym graph
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- EQL
- SQL access
- Overview
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- System Functions
- Reserved keywords
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- Scripting
- Data management
- ILM: Manage the index lifecycle
- Overview
- Concepts
- Automate rollover
- Customize built-in ILM policies
- Index lifecycle actions
- Configure a lifecycle policy
- Migrate index allocation filters to node roles
- Resolve lifecycle policy execution errors
- Start and stop index lifecycle management
- Manage existing indices
- Skip rollover
- Restore a managed data stream or index
- Autoscaling
- Monitor a cluster
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- Set up a cluster for high availability
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- Secure a cluster
- Overview
- Configuring security
- User authentication
- Built-in users
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- Token-based authentication services
- Realms
- Realm chains
- Active Directory user authentication
- File-based user authentication
- LDAP user authentication
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- Enabling anonymous access
- Controlling the user cache
- Configuring SAML single-sign-on on the Elastic Stack
- Configuring single sign-on to the Elastic Stack using OpenID Connect
- User authorization
- Built-in roles
- Defining roles
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- Field level security
- Granting privileges for data streams and index aliases
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- Submitting requests on behalf of other users
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- Customizing roles and authorization
- Enabling audit logging
- Encrypting communications
- Restricting connections with IP filtering
- Cross cluster search, clients, and integrations
- Tutorial: Getting started with security
- Tutorial: Encrypting communications
- Troubleshooting
- 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
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- Limitations
- Watch for cluster and index events
- Command line tools
- How To
- Glossary of terms
- REST APIs
- API conventions
- Autoscaling APIs
- Compact and aligned text (CAT) APIs
- cat aliases
- cat allocation
- cat anomaly detectors
- cat count
- cat data frame analytics
- cat datafeeds
- cat fielddata
- cat health
- cat indices
- cat master
- cat nodeattrs
- cat nodes
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- cat plugins
- cat recovery
- cat repositories
- cat segments
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- cat transforms
- Cluster APIs
- Cluster allocation explain
- Cluster get settings
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- Nodes feature usage
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- Nodes reload secure settings
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- Voting configuration exclusions
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- Data stream APIs
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- Enrich APIs
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- Analyze
- Bulk index alias
- Clear cache
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- Delete component template
- Delete dangling index
- Delete index
- Delete index alias
- Delete index template
- Delete index template (legacy)
- Flush
- Force merge
- Freeze index
- Get component template
- Get field mapping
- Get index
- Get index alias
- Get index settings
- Get index template
- Get index template (legacy)
- Get mapping
- Import dangling index
- Index alias exists
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- List dangling indices
- Open index
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- Add events to calendar
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- Delete datafeeds
- Delete events from calendar
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- Delete forecasts
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- Delete model snapshots
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- Estimate model memory
- Find file structure
- Flush jobs
- Forecast jobs
- Get buckets
- Get calendars
- Get categories
- Get datafeeds
- Get datafeed statistics
- Get influencers
- Get jobs
- Get job statistics
- Get machine learning info
- Get model snapshots
- Get overall buckets
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- Get filters
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- Open jobs
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- Revert model snapshots
- Set upgrade mode
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- Update filters
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- Machine learning data frame analytics APIs
- Create data frame analytics jobs
- Create trained models
- Update data frame analytics jobs
- Delete data frame analytics jobs
- Delete trained models
- Evaluate data frame analytics
- Explain data frame analytics
- Get data frame analytics jobs
- Get data frame analytics jobs stats
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- Get trained models stats
- Start data frame analytics jobs
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- Migration APIs
- Reload search analyzers API
- Repositories metering APIs
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- Search APIs
- Searchable snapshots APIs
- Security APIs
- Authenticate
- Change passwords
- Clear cache
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- Get API key information
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- Get builtin privileges
- Get role mappings
- Get roles
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- Snapshot and restore APIs
- Snapshot lifecycle management APIs
- Transform APIs
- Usage API
- Watcher APIs
- Definitions
- Migration guide
- Release notes
- Elasticsearch version 7.11.2
- Elasticsearch version 7.11.1
- Elasticsearch version 7.11.0
- Elasticsearch version 7.10.2
- Elasticsearch version 7.10.1
- Elasticsearch version 7.10.0
- Elasticsearch version 7.9.3
- Elasticsearch version 7.9.2
- Elasticsearch version 7.9.1
- Elasticsearch version 7.9.0
- Elasticsearch version 7.8.1
- Elasticsearch version 7.8.0
- Elasticsearch version 7.7.1
- Elasticsearch version 7.7.0
- Elasticsearch version 7.6.2
- Elasticsearch version 7.6.1
- Elasticsearch version 7.6.0
- Elasticsearch version 7.5.2
- Elasticsearch version 7.5.1
- Elasticsearch version 7.5.0
- Elasticsearch version 7.4.2
- Elasticsearch version 7.4.1
- Elasticsearch version 7.4.0
- Elasticsearch version 7.3.2
- Elasticsearch version 7.3.1
- Elasticsearch version 7.3.0
- Elasticsearch version 7.2.1
- Elasticsearch version 7.2.0
- Elasticsearch version 7.1.1
- Elasticsearch version 7.1.0
- Elasticsearch version 7.0.0
- Elasticsearch version 7.0.0-rc2
- Elasticsearch version 7.0.0-rc1
- Elasticsearch version 7.0.0-beta1
- Elasticsearch version 7.0.0-alpha2
- Elasticsearch version 7.0.0-alpha1
- Dependencies and versions
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Elasticsearch version 7.0.0-alpha1
editElasticsearch version 7.0.0-alpha1
editThe changes listed below have been released for the first time in Elasticsearch 7.0.0-alpha1.
Breaking changes
edit- Aggregations
- Analysis
- Audit
-
- Logfile auditing settings remove after deprecation #35205
- Authentication
- Authorization
- CRUD
- Distributed
- Features/Indices APIs
- Features/Ingest
- Features/Stats
- Geo
- Infra/Circuit Breakers
- Infra/Core
-
- Core: Default node.name to the hostname #33677
- Remove bulk fallback for write thread pool #29609
- CCS: Drop http address from remote cluster info #29568 (issue: #29207)
- Remove the index thread pool #29556
- Main response should not have status 503 when okay #29045 (issue: #8902)
- Automatically prepare indices for splitting #27451
-
Don’t refresh on
_flush
_force_merge
and_upgrade
#27000 (issue: #26972)
- Infra/Packaging
-
- Packaging: Remove windows bin files from the tar distribution #30596
- Infra/REST API
- Infra/Scripting
- Infra/Settings
-
- Remove config prompting for secrets and text #27216
- Mapping
-
- Match phrase queries against non-indexed fields should throw an exception #31060
- Remove legacy mapping code. #29224
-
Reject updates to the
_default_
mapping. #29165 (issues: #15613, #28248) -
Remove the
update_all_types
option. #28288 -
Remove the
_default_
mapping. #28248 -
Reject the
index_options
parameter for numeric fields #26668 (issue: #21475)
- Network
- Percolator
-
- remove deprecated percolator map_unmapped_fields_as_string setting #28060
- Ranking
- Search
-
-
Remove deprecated url parameters
_source_include
and_source_exclude
#35097 (issues: #22792, #33475) - Disallow negative query boost #34486 (issue: #33309)
-
Forbid negative
weight
in Function Score Query #33390 (issue: #31927) - In the field capabilities API, remove support for providing fields in the request body. #30185
- Remove deprecated options for query_string #29203 (issue: #25551)
- Fix Laplace scorer to multiply by alpha (and not add) #27125
- Remove _primary and _replica shard preferences #26791 (issue: #26335)
- Limit the number of expanded fields it query_string and simple_query_string #26541 (issue: #25105)
- Make purely negative queries return scores of 0. #26015 (issue: #23449)
-
Remove deprecated url parameters
- Snapshot/Restore
- Store
- Suggesters
-
- Fix threshold frequency computation in Suggesters #34312 (issue: #34282)
- Make Geo Context Mapping Parsing More Strict #32821 (issues: #32202, #32412)
- Make Geo Context Parsing More Strict #32412 (issue: #32202)
- Remove the ability to index or query context suggestions without context #31007 (issue: #30712)
Breaking Java changes
editDeprecations
editNew features
edit- Analysis
- CCR
-
- Generalize search.remote settings to cluster.remote #33413
- Distributed
- Features/Ingest
- Features/Java High Level REST Client
-
- GraphClient for the high level REST client and associated tests #32366
- Features/Monitoring
- Infra/Core
-
-
Skip shard refreshes if shard is
search idle
#27500
-
Skip shard refreshes if shard is
- Infra/Logging
-
- Logging: Unify log rotation for index/search slow log #27298
- Infra/Plugins
- Infra/REST API
- Machine Learning
-
- [ML] Filter undefined job groups from update job calendar actions #30757
- Mapping
- Ranking
- Recovery
- SQL
- Search
-
- Add “took” timing info to response for _msearch/template API #30961 (issue: #30957)
- Expose the lucene Matches API to searches [ISSUE] #29631
- Add allow_partial_search_results flag to search requests with default setting true #28440 (issue: #27435)
- Enable adaptive replica selection by default #26522 (issue: #24915)
- Suggesters
Enhancements
edit- Aggregations
- Discovery-Plugins
-
- Rename discovery.zen.minimum_master_nodes [ISSUE] #14058
- Engine
-
- Remove versionType from translog #31945
- do retry if primary fails on AsyncAfterWriteAction #31857 (issues: #31716, #31755)
- handle AsyncAfterWriteAction exception before listener is registered #31755 (issue: #31716)
- Use IndexWriter#flushNextBuffer to free memory #27753
- Remove pre 6.0.0 support from InternalEngine #27720
- Features/Indices APIs
- Features/Ingest
- Features/Java High Level REST Client
- Features/Stats
-
- Stats to record how often the ClusterState diff mechanism is used successfully #26973
- Features/Watcher
- Infra/Circuit Breakers
- Infra/Core
- Infra/Packaging
-
- Choose JVM options ergonomically #30684
- Infra/REST API
- Infra/Scripting
- Infra/Settings
-
- Settings: Add keystore creation to add commands #26126
- Infra/Transport API
- Network
-
- Add cors support to NioHttpServerTransport #30827 (issue: #28898)
- Reintroduce mandatory http pipelining support #30820
- Make http pipelining support mandatory #30695 (issues: #28898, #29500)
- Add nio http server transport #29587 (issue: #28898)
- Add class for serializing message to bytes #29384 (issue: #28898)
- Selectors operate on channel contexts #28468 (issue: #27260)
- Unify nio read / write channel contexts #28160 (issue: #27260)
- Create nio-transport plugin for NioTransport #27949 (issue: #27260)
- Add elasticsearch-nio jar for base nio classes #27801 (issue: #27802)
- Ranking
-
- Add k parameter to PrecisionAtK metric #27569
- SQL
- Search
-
- Make limit on number of expanded fields configurable #35284 (issues: #26541, #34778)
- Search: Simply SingleFieldsVisitor #34052
- Don’t count hits via the collector if the hit count can be computed from index stats. #33701
- Limit the number of concurrent requests per node #31206 (issue: #31192)
- Default max concurrent search req. numNodes * 5 #31171 (issues: #30783, #30994)
- Change ScriptException status to 400 (bad request) #30861 (issue: #12315)
- Change default value to true for transpositions parameter of fuzzy query #26901
-
Introducing "took" time (in ms) for
_msearch
#23767 (issue: #23131)
- Snapshot/Restore
- Store
- ZenDiscovery
-
- [Zen2] Introduce vote withdrawal #35446
- Zen2: Add basic Zen1 transport-level BWC #35443
- Zen2: Add diff-based publishing #35290
- [Zen2] Introduce auto_shrink_voting_configuration setting #35217
- Introduce transport API for cluster bootstrapping #34961
- [Zen2] Reconfigure cluster as its membership changes #34592 (issue: #33924)
- Zen2: Fail fast on disconnects #34503
- [Zen2] Add storage-layer disruptions to CoordinatorTests #34347
- [Zen2] Add low-level bootstrap implementation #34345
- [Zen2] Gather votes from all nodes #34335
- Zen2: Add Cluster State Applier #34257
- [Zen2] Add safety phase to CoordinatorTests #34241
- [Zen2] Integrate FollowerChecker with Coordinator #34075
- Integrate LeaderChecker with Coordinator #34049
- Zen2: Trigger join when active master detected #34008
- Zen2: Update PeerFinder term on term bump #33992
- [Zen2] Calculate optimal cluster configuration #33924
- [Zen2] Introduce FollowersChecker #33917
- Zen2: Integrate publication pipeline into Coordinator #33771
- Zen2: Add DisruptableMockTransport #33713
- [Zen2] Implement basic cluster formation #33668
- [Zen2] Introduce LeaderChecker #33024
- Zen2: Add leader-side join handling logic #33013
- [Zen2] Add PeerFinder#onFoundPeersUpdated #32939
- [Zen2] Introduce PreVoteCollector #32847
- [Zen2] Introduce ElectionScheduler #32846
- [Zen2] Introduce ElectionScheduler #32709
- [Zen2] Add HandshakingTransportAddressConnector #32643 (issue: #32246)
- [Zen2] Add UnicastConfiguredHostsResolver #32642 (issue: #32246)
- Zen2: Cluster state publication pipeline #32584 (issue: #32006)
- [Zen2] Introduce gossip-like discovery of master nodes #32246
- Add core coordination algorithm for cluster state publishing #32171 (issue: #32006)
- Add term and config to cluster state #32100 (issue: #32006)
Bug fixes
edit- Aggregations
- Analysis
- Authorization
- Docs Infrastructure
-
- Docs build fails due to missing nexus.png [ISSUE] #33101
- Features/Indices APIs
- Features/Ingest
-
- INGEST: Fix Deprecation Warning in Script Proc. #32407
- Features/Java High Level REST Client
-
- HLRC: Drop extra level from user parser #34932
- Features/Java Low Level REST Client
- Features/Watcher
-
- Watcher: Ignore system locale/timezone in croneval CLI tool #33215
- Geo
-
-
[build] Test
GeoShapeQueryTests#testPointsOnly
fails [ISSUE] #27454
-
[build] Test
- Infra/Core
- Infra/Settings
-
- Change format how settings represent lists / array #26723
- Infra/Transport API
- License
- Mapping
-
- Ensure that field aliases cannot be used in multi-fields. #32219
- Network
- Search
-
-
Ensure realtime
_get
and_termvectors
don’t run on the network thread #33814 (issue: #27500) - [bug] fuzziness custom auto #33462 (issue: #33454)
- Fix inner hits retrieval when stored fields are disabled (none) #33018 (issue: #32941)
- Set maxScore for empty TopDocs to Nan rather than 0 #32938
- Handle leniency for cross_fields type in multi_match query #27045 (issue: #23210)
- Raise IllegalArgumentException instead if query validation failed #26811 (issue: #26799)
-
Ensure realtime
- Security
-
- Handle 6.4.0+ BWC for Application Privileges #32929
- ZenDiscovery
-
- [Zen2] Remove duplicate discovered peers #35505
Upgrades
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