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 6.0.0edit
Breaking Changesedit
- Aggregations
- Aliases
- Allocation
-
-
Remove
cluster.routing.allocation.snapshot.relocation_enabledsetting #20994
-
Remove
- Analysis
- CAT API
- CRUD
- Cluster
- Core
- Geo
- Highlighting
-
- Remove the postings highlighter and make unified the default highlighter choice #25028
- Index APIs
-
- Remove (deprecated) support for + in index expressions #25274 (issue: #24515)
- Delete index API to work only against concrete indices #25268 (issues: #2318, #23997)
- Open/Close index api to allow_no_indices by default #24401 (issues: #24031, #24341)
-
Remove support for controversial
ignore_unavailableandallow_no_indicesfrom indices exists api #20712
- Index Templates
- Indexed Scripts/Templates
-
- Scripting: Remove search template actions #25717
- Ingest
- Inner Hits
- Java API
- Java REST Client
- Mapping
-
- Reject out of range numbers for float, double and half_float #25826 (issue: #25534)
- Enforce at most one type. #24428 (issue: #24317)
-
Disallow
include_in_allfor 6.0+ indices #22970 (issue: #22923) - Disable _all by default, disallow configuring _all on 6.0+ indices #22144 (issues: #19784, #20925, #21341)
- Throw an exception on unrecognized "match_mapping_type" #22090 (issue: #17285)
- Network
- Packaging
-
- Configure heap dump path out of the box #26755 (issue: #26665)
- Remove support for ES_INCLUDE #25804
- Setup: Change default heap to 1G #25695
- Use config directory to find jvm.options #25679 (issue: #23004)
- Remove implicit 32-bit support #25435
- Remove default path settings #25408 (issue: #25357)
- Remove path.conf setting #25392 (issue: #25357)
- Honor masking of systemd-sysctl.service #24234 (issues: #21899, #806)
- Rename CONF_DIR to ES_PATH_CONF #26197 (issue: #26154)
- Remove customization of ES_USER and ES_GROUP #23989 (issue: #23848)
- Percolator
-
- Remove deprecated percolate and mpercolate apis #22331
- Plugin Analysis ICU
- Plugin Delete By Query
- Plugin Discovery Azure Classic
- Plugin Discovery EC2
- Plugin Lang JS
- Plugin Mapper Attachment
- Plugin Repository Azure
- Plugin Repository GCS
-
- GCS Repository: Remove specifying credential file on disk #24727
- Plugin Repository S3
- Plugins
-
- Make plugin loading stricter #25405
- Query DSL
-
-
Remove deprecated
typeandslopfield inmatchquery #26720 - Remove several parse field deprecations in query builders #26711
-
Remove deprecated parameters from
ids_query#26508 - Refactor QueryStringQuery for 6.0 #25646 (issue: #25574)
-
Change
split_on_whitespacedefault to false #25570 (issue: #25470) - Remove deprecated template query #24577 (issue: #19390)
-
Throw exception in scroll requests using
from#26235 (issue: #9373) -
Remove deprecated
minimum_number_should_matchin BoolQueryBuilder #22416 - Remove support for empty queries #22092 (issue: #17624)
- Remove deprecated query names: in, geo_bbox, mlt, fuzzy_match and match_fuzzy #21852
-
The
termsquery should always map to a LuceneTermsQuery. #21786 - Be strict when parsing values searching for booleans #21555 (issue: #21545)
- Remove collect payloads parameter #20385
-
Remove deprecated
- REST
-
- IndexClosedException to return 400 rather than 403 #25752
- Remove comma-separated feature parsing for GetIndicesAction #24723 (issue: #24437)
- Improve REST error handling when endpoint does not support HTTP verb, add OPTIONS support #24437 (issues: #0, #15335, #17916)
- Remove ldjson support and document ndjson for bulk/msearch #23049 (issue: #23025)
- Enable strict duplicate checks for all XContent types #22225 (issues: #19614, #22073)
- Enable strict duplicate checks for JSON content #22073 (issue: #19614)
- Remove lenient stats parsing #21417 (issues: #20722, #21410)
- Remove allow unquoted JSON #20388 (issues: #17674, #17801)
- Remove FORCE version_type #20377 (issue: #19769)
- Scripting
-
- remove lang url parameter from stored script requests #25779 (issue: #22887)
- Disallow lang to be used with Stored Scripts #25610
- Remove Deprecated Script Settings #24756 (issue: #24532)
- Scripting: Remove native scripts #24726 (issue: #19966)
- Scripting: Remove file scripts #24627 (issue: #21798)
- Make dates be ReadableDateTimes in scripts #22948 (issue: #22875)
- Remove groovy scripting language #21607
- Remove script access to term statistics #19462 (issue: #19359)
- Search
-
-
Make
indexin TermsLookup mandatory #25753 (issue: #25750) - Removes FieldStats API #25628 (issue: #25577)
- Remove deprecated fielddata_fields from search request #25566 (issue: #25537)
- Removes deprecated fielddata_fields #25537 (issue: #19027)
- ProfileResult and CollectorResult should print machine readable timing information #22561
- Remove indices query #21837 (issue: #17710)
- Remove ignored type parameter in search_shards api #21688
-
Make
- Security
-
-
Added new security limitations:
- When a user’s role enables document level security for an index and suggesters are specified, the specified suggesters are ignored. For more information about suggesters, see Suggesters.
- When document level security is enabled, search requests cannot be profiled. For more information about profiling, see the Profile API.
-
- Sequence IDs
- Settings
- Shadow Replicas
- Similarities
Breaking Java Changesedit
- Aggregations
-
- Remove the unused SignificantTerms.compareTerm() method #24714
- Make SignificantTerms.Bucket an interface rather than an abstract class #24670 (issue: #24492)
-
Fix NPE when
valuesis omitted on percentile_ranks agg #26046 - Make Terms.Bucket an interface rather than an abstract class #24492
- Compound order for histogram aggregations #22343 (issues: #14771, #20003, #23613)
- Internal
- Java API
- Java High Level REST Client
- Java REST Client
- Network
-
- Simplify TransportAddress #20798
- Plugin Delete By Query
-
- Move DeleteByQuery and Reindex requests into core #24578
- Plugins
-
- Drop name from TokenizerFactory #24869
- Query DSL
- REST
Deprecationsedit
- Index APIs
- Index Templates
-
- Restore deprecation warning for invalid match_mapping_type values #22304
- Indexed Scripts/Templates
- Internal
- Percolator
-
- Deprecate percolate query’s document_type parameter. #25199
- Plugins
- Scripting
-
- Scripting: Change keys for inline/stored scripts to source/id #25127
- Scripting: Deprecate native scripts #24692 (issue: #19966)
- Scripting: Deprecate index lookup #24691 (issue: #19359)
- Deprecate Fine Grain Settings for Scripts #24573 (issue: #24532)
- Scripting: Deprecate file script settings #24555 (issue: #21798)
- Scripting: Deprecate file scripts #24552 (issue: #21798)
- Settings
- Tribe Node
New Featuresedit
Enhancementsedit
- Aggregations
-
- Add strict parsing of aggregation ranges #25769
- Adds rewrite phase to aggregations #25495 (issue: #17676)
- Tweak AggregatorBase.addRequestCircuitBreakerBytes #25162 (issue: #24511)
- Add superset size to Significant Term REST response #24865
- Add document count to Matrix Stats aggregation response #24776
- Adds an implementation of LogLogBeta for the cardinality aggregation #22323 (issue: #22230)
- Support distance units in GeoHashGrid aggregation precision #26291 (issue: #5042)
-
Reject multiple methods in
percentilesaggregation #26163 (issue: #26095) -
Use
global_ordinals_hashexecution mode when sorting by sub aggregations. #26014 (issue: #24359) - Add a specialized deferring collector for terms aggregator #25190
- Agg builder accessibility fixes #24323
- Remove support for the include/pattern syntax. #23141 (issue: #22933)
- Promote longs to doubles when a terms agg mixes decimal and non-decimal numbers #22449 (issue: #22232)
- Allocation
- Analysis
-
- [Analysis] Support normalizer in request param #24767 (issue: #23347)
- Enforce validation for PathHierarchy tokenizer #23510
- [analysis-icu] Allow setting unicodeSetFilter #20814 (issue: #20820)
- Match- and MultiMatchQueryBuilder should only allow setting analyzer on string values #23684 (issue: #21665)
- Bulk
-
- Simplify bulk request execution #20109
- CAT API
- CRUD
- Circuit Breakers
-
- ScriptService: Replace max compilation per minute setting with max compilation rate #26399
- Cluster
-
- Validate a joining node’s version with version of existing cluster nodes #25808
- Switch indices read-only if a node runs out of disk space #25541 (issue: #24299)
- Add a cluster block that allows to delete indices that are read-only #24678
- Separate publishing from applying cluster states #24236
- Adds cluster state size to /_cluster/state response #23440 (issue: #3415)
- Core
-
-
Allow
InputStreamStreamInputarray size validation where applicable #26692 - Refactor bootstrap check results and error messages #26637
- Add BootstrapContext to expose settings and recovered state to bootstrap checks #26628
- Unit testable index creation task on MetaDataCreateIndexService #25961
- Ignore .DS_Store files on macOS #27108 (issue: #23982)
- Add max file size bootstrap check #25974
- Add compatibility versions to main action response #25799
- Index ids in binary form. #25352 (issues: #18154, #24615)
- Explicitly reject duplicate data paths #25178
- Use SPI in High Level Rest Client to load XContent parsers #25097
- Upgrade to lucene-7.0.0-snapshot-a0aef2f #24775
- Speed up PK lookups at index time. #19856
- Use Java 9 FilePermission model #26302 (issue: #21534)
- Add friendlier message on bad keystore permissions #26284
- Epoch millis and second formats accept float implicitly #26119 (issue: #14641)
- Remove connect SocketPermissions from core #22797
- Add repository-url module and move URLRepository #22752 (issue: #22116)
- Remove accept SocketPermissions from core #22622 (issue: #22116)
- Move IfConfig.logIfNecessary call into bootstrap #22455 (issue: #22116)
- Remove artificial default processors limit #20874 (issue: #20828)
- Simplify write failure handling #19105 (issue: #20109)
- Improve bootstrap checks error messages #24548
-
Allow
- Discovery
-
- Allow plugins to validate cluster-state on join #26595
- Engine
-
- Add refresh stats tracking for realtime get #25052 (issue: #24806)
- Introducing a translog deletion policy #24950
- Fill missing sequence IDs up to max sequence ID when recovering from store #24238 (issue: #10708)
- Use sequence numbers to identify out of order delivery in replicas & recovery #24060 (issue: #10708)
- Add replica ops with version conflict to translog #22626
- Clarify global checkpoint recovery #21934 (issue: #21254)
- Move the IndexDeletionPolicy to be engine internal #24930 (issue: #10708)
- Exceptions
-
- IllegalStateException: Only duplicated jar instead of classpath #24953
- Highlighting
- Index APIs
- Index Templates
- Ingest
-
- Add Ingest-Processor specific Rest Endpoints & Add Grok endpoint #25059 (issue: #24725)
- Port support for commercial GeoIP2 databases from Logstash. #24889
-
add
exclude_keysoption to KeyValueProcessor #24876 (issue: #23856) - Allow removing multiple fields in ingest processor #24750 (issue: #24622)
- Add target_field parameter to ingest processors #24133 (issues: #23228, #23682)
- Inner Hits
- Internal
-
- TemplateUpgradeService should only run on the master #27294
- Cleanup IndexFieldData visibility #25900
- Bump the min compat version to 5.6.0 #25805
- "shard started" should show index and shard ID #25157
- Break out clear scroll logic from TransportClearScrollAction #25125 (issue: #25094)
- Add helper methods to TransportActionProxy to identify proxy actions and requests #25124
- Add remote cluster infrastructure to fetch discovery nodes. #25123 (issue: #25094)
- Add the ability to set eager_global_ordinals in the new parent-join field #25019
- Disallow multiple parent-join fields per mapping #25002
- Remove the need for _UNRELEASED suffix in versions #24798 (issue: #24768)
- Optimize the order of bytes in uuids for better compression. #24615 (issue: #18209)
-
Prevent cluster internal
ClusterState.Customimpls to leak to a client #26232 - Use holder pattern for lazy deprecation loggers #26218 (issue: #26210)
-
Allow
ClusterState.Customto be created on initial cluster states #26144 - Try to convince the JVM not to lose stacktraces #24426 (issue: #24376)
- Make document write requests immutable #23038
- Add assertions enabled helper #24834
- Java API
- Java High Level REST Client
-
- [DOCS] restructure java clients docs pages #25517
- Use SPI in High Level Rest Client to load XContent parsers #25098 (issues: #25024, #25097)
- Add support for clear scroll to high level REST client #25038
- Add search scroll method to high level REST client #24938 (issue: #23331)
- Add search method to high level REST client #24796 (issues: #24794, #24795)
- Make RestHighLevelClient Closeable and simplify its creation #26180 (issue: #26086)
- Add info method to High Level Rest client #23350
- Add support for named xcontent parsers to high level REST client #23328
- Add BulkRequest support to High Level Rest client #23312
- Add UpdateRequest support to High Level Rest client #23266
- Add delete API to the High Level Rest Client #23187
- Add Index API to High Level Rest Client #23040
- Add get/exists method to RestHighLevelClient #22706
- Add fromxcontent methods to delete response #22680 (issue: #22229)
- Add REST high level client gradle submodule and first simple method #22371
- Add doc_count to ParsedMatrixStats #24952 (issue: #24776)
- Add fromXContent method to ClearScrollResponse #24909
- ClearScrollRequest to implement ToXContentObject #24907
- SearchScrollRequest to implement ToXContentObject #24906 (issue: #3889)
- Add aggs parsers for high level REST Client #24824 (issues: #23965, #23973, #23974, #24085, #24160, #24162, #24182, #24183, #24208, #24213, #24239, #24284, #24312, #24330, #24365, #24371, #24442, #24521, #24524, #24564, #24583, #24589, #24648, #24667, #24675, #24682, #24700, #24706, #24717, #24720, #24738, #24746, #24789, #24791, #24794, #24796, #24822)
- Java REST Client
- Logging
- Mapping
-
- More efficient encoding of range fields. #26470 (issue: #26443)
- Don’t detect source’s XContentType in DocumentParser.parseDocument() #26880
-
Better validation of
copy_to. #25983 -
Optimize
termsqueries onipaddresses to use aPointInSetQuerywhenever possible. #25669 (issue: #25667) - Loosen the restrictions on disabling _all in 6.x #26259
- Date detection should not rely on a hardcoded set of characters. #22171 (issue: #1694)
-
Identify documents by their
_id. #24460
- Network
-
- Add additional low-level logging handler #26887
- Unwrap causes when maybe dying #26884
- Move TransportStats accounting into TcpTransport #25251
- Simplify connection closing and cleanups in TcpTransport #25250
- Disable the Netty recycler in the client #24793 (issues: #22452, #24721)
- Remove Netty logging hack #24653 (issues: #24469, #5624, #6568, #6696)
- Isolate SocketPermissions to Netty #23057
- Wrap netty accept/connect ops with doPrivileged #22572 (issue: #22116)
- Replace Socket, ServerSocket, and HttpServer usages in tests with mocksocket versions #22287 (issue: #22116)
- Packaging
-
- Remove memlock suggestion from systemd service #25979
- Set address space limit in systemd service file #25975
- Version option should display if snapshot #25970
- Ignore JVM options before checking Java version #25969
- Also skip JAVA_TOOL_OPTIONS on Windows #25968
- Introduce elasticsearch-env for Windows #25958
- Introduce elasticsearch-env #25815 (issue: #20286)
- Stop exporting HOSTNAME from scripts #25807
- Set number of processes in systemd unit file #24970 (issue: #20874)
- Parent/Child
- Percolator
- Plugin Discovery EC2
- Plugin Lang Painless
-
- Allow Custom Whitelists in Painless #25557
- Update Painless to Allow Augmentation from Any Class #25360
- Add Needs Methods to Painless Script Context Factories #25267
- Support Script Context Stateful Factory in Painless #25233
- Generate Painless Factory for Creating Script Instances #25120
- Update Painless to Use New Script Contexts #25015
- Optimize instance creation in LambdaBootstrap #24618
- Make Painless Compiler Use an Instance Per Context #24972
- Make PainlessScript An Interface #24966
- Plugin Repository GCS
-
- GCS Repository: Add secure storage of credentials #24697
- Plugin Repository HDFS
- Plugin Repository S3
-
- S3 Repository: Add back repository level credentials #24609
- Plugins
-
- Adjust SHA-512 supported format on plugin install #27093
- Move tribe to a module #25778
- Plugins can register pre-configured char filters #25000 (issue: #23658)
- Add purge option to remove plugin CLI #24981
- Allow plugins to register pre-configured tokenizers #24751 (issues: #24223, #24572)
- Move ReindexAction class to core #24684 (issue: #24578)
- Make PreConfiguredTokenFilter harder to misuse #24572 (issue: #23658)
- Plugins: Remove leniency for missing plugins dir #24173
- Add doPrivilege blocks for socket connect operations in plugins #22534 (issue: #22116)
- Query DSL
- REST
- Recovery
-
- Introduce a History UUID as a requirement for ops based recovery #26577 (issue: #10708)
- Goodbye, Translog Views #25962
- Disallow multiple concurrent recovery attempts for same target shard #25428
- Live primary-replica resync (no rollback) #24841 (issue: #10708)
- Peer Recovery: remove maxUnsafeAutoIdTimestamp hand off #24243 (issue: #24149)
- Introduce sequence-number-based recovery #22484 (issue: #10708)
- Scripting
-
- Scripting: Rename SearchScript.needsScores to needs_score #25235
- Scripting: Add optional context parameter to put stored script requests #25014
- Add New Security Script Settings #24637 (issue: #24532)
- Add StatefulFactoryType as optional intermediate factory in script contexts #24974 (issue: #20426)
- Make contexts available to ScriptEngine construction #24896
- Make ScriptEngine.compile generic on the script context #24873
- Add instance and compiled classes to script contexts #24868
- Search
-
- Add soft limit on allowed number of script fields in request #26598 (issue: #26390)
- Add a soft limit for the number of requested doc-value fields #26574 (issue: #26390)
- Rewrite search requests on the coordinating nodes #25814 (issue: #25791)
- Ensure query resources are fetched asynchronously during rewrite #25791
- Introduce a new Rewriteable interface to streamline rewriting #25788
-
Reduce the scope of
QueryRewriteContext#25787 - Reduce the overhead of timeouts and low-level search cancellation. #25776
- Reduce profiling overhead. #25772 (issue: #24799)
-
Prevent
can_matchrequests from sending to incompatible nodes #25705 (issue: #25704) - Add a shard filter search phase to pre-filter shards based on query rewriting #25658
-
Ensure we rewrite common queries to
match_noneif possible #25650 - Limit the number of concurrent shard requests per search request #25632
- Add cluster name validation to RemoteClusterConnection #25568
- Speed up sorted scroll when the index sort matches the search sort #25138 (issue: #6720)
- Leverage scorerSupplier when applicable. #25109
- Add Cross Cluster Search support for scroll searches #25094
- Track EWMA[1] of task execution time in search threadpool executor #24989 (issue: #24915)
- Query range fields by doc values when they are expected to be more efficient than points #24823 (issue: #24314)
- Search: Fairer balancing when routing searches by session ID #24671 (issue: #24642)
- Add parsing from xContent to Suggest #22903
- Add parsing from xContent to ShardSearchFailure #22699
- Eliminate array access in tight loops when profiling is enabled. #24959
- Support Multiple Inner Hits on a Field Collapse Request #24517
- Expand cross cluster search indices for search requests to the concrete index or to it’s aliases #24502
- Search Templates
- Sequence IDs
-
- Roll translog generation on primary promotion #27313
- Restoring from snapshot should force generation of a new history uuid #26694 (issues: #10708, #26544, #26557, #26577)
- Add global checkpoint tracking on the primary #26666 (issue: #26591)
- Introduce global checkpoint background sync #26591 (issues: #26573, #26630, #26666)
-
Move
UNASSIGNED_SEQ_NOandNO_OPS_PERFORMEDto SequenceNumbers` #26494 (issue: #10708) - Move primary term from ReplicationRequest to ConcreteShardRequest #25822
- Add reason to global checkpoint updates on replica #25612 (issue: #10708)
- Introduce primary/replica mode for GlobalCheckPointTracker #25468
- Throw back replica local checkpoint on new primary #25452 (issues: #10708, #25355)
- Update global checkpoint when increasing primary term on replica #25422 (issues: #10708, #25355)
- Enable a long translog retention policy by default #25294 (issues: #10708, #25147)
- Introduce primary context #25122 (issues: #10708, #25355)
- Block older operations on primary term transition #24779 (issue: #10708)
- Block global checkpoint advances when recovering #24404 (issue: #10708)
- Add primary term to doc write response #24171 (issue: #10708)
- Preserve multiple translog generations #24015 (issue: #10708)
- Introduce translog generation rolling #23606 (issue: #10708)
- Replicate write failures #23314
- Introduce sequence-number-aware translog #22822 (issue: #10708)
- Introduce translog no-op #22291 (issue: #10708)
- Tighten sequence numbers recovery #22212 (issue: #10708)
- Add BWC layer to seq no infra and enable BWC tests #22185 (issue: #21670)
- Add internal _primary_term doc values field, fix _seq_no indexing #21637 (issues: #10708, #21480)
- Add global checkpoint to translog checkpoints #21254
- Sequence numbers commit data for Lucene uses Iterable interface #20793 (issue: #10708)
- Simplify GlobalCheckpointService and properly hook it for cluster state updates #20720
- Fill gaps on primary promotion #24945 (issue: #10708)
- Introduce clean transition on primary promotion #24925 (issue: #10708)
- Guarantee that translog generations are seqNo conflict free #24825 (issues: #10708, #24779)
- Inline global checkpoints #24513 (issue: #10708)
- Settings
-
- Add disk threshold settings validation #25600 (issue: #25560)
- Enable cross-setting validation #25560 (issue: #25541)
-
Validate
transport.profiles.*settings #25508 - Cleanup network / transport related settings #25489
- Emit settings deprecation logging at most once #25457
- IndexMetaData: Introduce internal format index setting #25292
- Persist created keystore on startup unless keystore is present #26253 (issue: #26126)
- Settings: Add keystore.seed auto generated secure setting #26149
- Settings: Add keystore creation to add commands #26126
- Snapshot/Restore
- Stats
- Store
-
- Remote support for lucene versions without checksums #24021
- Suggesters
- Task Manager
- Translog
Bug Fixesedit
- Aggregations
-
- Do not delegate a null scorer to LeafBucketCollectors #26747 (issue: #26611)
- Create weights lazily in filter and filters aggregation #26983
- Fix IndexOutOfBoundsException in histograms for NaN doubles (#26787) #26856 (issue: #26787)
- Scripted_metric _agg parameter disappears if params are provided #19863 (issue: #19768)
- Fixes array out of bounds for value count agg #26038 (issue: #17379)
- Aggregations bug: Significant_text fails on arrays of text. #25030 (issue: #25029)
- Check bucket metric ages point to a multi bucket agg #26215 (issue: #25775)
- Terms aggregation should remap global ordinal buckets when a sub-aggregator is used to sort the terms #24941 (issue: #24788)
- Correctly set doc_count when MovAvg "predicts" values on existing buckets #24892 (issue: #24327)
-
DateHistogram: Fix
extended_boundswithoffset#23789 (issue: #23776) - Fix ArrayIndexOutOfBoundsException when no ranges are specified in the query #23241 (issue: #22881)
- Aliases
- Allocation
- Analysis
- CAT API
- CRUD
- Cache
- Circuit Breakers
- Cluster
- Core
-
- Correctly encode warning headers #27269 (issue: #27244)
- Fix cache compute if absent for expired entries #26516
- Timed runnable should delegate to abstract runnable #27095 (issue: #27069)
- Stop invoking non-existent syscall #27016 (issue: #20179)
- MetaData Builder doesn’t properly prevent an alias with the same name as an index #26804
- Release operation permit on thread-pool rejection #25930 (issue: #25863)
-
Node should start up despite of a lingering
.es_temp_file#21210 (issue: #21007) - Fix cache expire after access #24546
- Dates
- Discovery
- Engine
- Geo
-
- Fix typo in GeoUtils#isValidLongitude #25121
- Highlighting
- Index APIs
- Ingest
-
- date processor should not fail if timestamp is specified as json number #26986 (issue: #26967)
- date_index_name processor should not fail if timestamp is specified as json number #26910 (issue: #26890)
- Sort Processor does not have proper behavior with targetField #25237 (issue: #24133)
- fix grok’s pattern parsing to validate pattern names in expression #25063 (issue: #22831)
- Remove support for Visio and potm files #22079 (issue: #22077)
- Fix floating-point error when DateProcessor parses UNIX #24947
- add option for _ingest.timestamp to use new ZonedDateTime (5.x backport) #24030 (issues: #23168, #23174)
- Inner Hits
-
- Do not allow inner hits that fetch _source and have a non nested object field as parent #25749 (issue: #25315)
- When fetching nested inner hits only access stored fields when needed #25864 (issue: #6)
- If size / offset are out of bounds just do a plain count #20556 (issue: #20501)
- Fix Source filtering in new field collapsing feature #24068 (issue: #24063)
- Internal
-
- Bump version to 6.0.1 [OPEN] #27386
-
IndexShard.routingEntryshould only be updated once all internal state is ready #26776 - Catch exceptions and inform handler in RemoteClusterConnection#collectNodes #26725 (issue: #26700)
- Internal: Add versionless alias for rest client codebase in policy files #26521
- Upgrade Lucene to version 7.0.1 #26926
- Fix BytesReferenceStreamInput#skip with offset #25634
- Fix race condition in RemoteClusterConnection node supplier #25432
- Initialise empty lists in BaseTaskResponse constructor #25290
- Extract a common base class for scroll executions #24979 (issue: #16555)
- Obey lock order if working with store to get metadata snapshots #24787 (issue: #24481)
- Fix Version based BWC and set correct minCompatVersion #24732
-
Fix
_field_capsserialization in order to support cross cluster search #24722 - Avoid race when shutting down controller processes #24579
- Fix handling of document failure exception in InternalEngine #22718
-
Ensure remote cluster is connected before fetching
_field_caps#24845 (issue: #24763)
- Java API
- Java High Level REST Client
- Java REST Client
- Logging
- Machine Learning
-
- Fixed a race condition when simultaneous close requests are made for the same job.
- Mapping
-
- Allow copying from a field to another field that belongs to the same nested object. #26774 (issue: #26763)
- Fixed bug that mapper_parsing_exception is thrown for numeric field with ignore_malformed=true when inserting "NaN" #25967 (issue: #25289)
- Coerce decimal strings for whole number types by truncating the decimal part #25835 (issue: #25819)
- Fix parsing of ip range queries. #25768 (issue: #25636)
- Disable date field mapping changing #25285 (issue: #25271)
- Correctly enable _all for older 5.x indices #25087 (issue: #25068)
- token_count datatype should handle null value #25046 (issue: #24928)
- keep _parent field while updating child type mapping #24407 (issue: #23381)
- ICUCollationKeywordFieldMapper use SortedSetDocValuesField #26267
-
Fix serialization of the
_allfield. #26143 (issue: #26136)
- More Like This
- NOT CLASSIFIED
- Nested Docs
- Network
-
- Fixed ByteBuf leaking in org.elasticsearch.http.netty4.Netty4HttpRequestHandler #27222 (issues: #3, #4, #5, #6)
- Check for closed connection while opening #26932
- Ensure pending transport handlers are invoked for all channel failures #25150
- Notify onConnectionClosed rather than onNodeDisconnect to prune transport handlers #24639 (issues: #24557, #24575, #24632)
- Release pipelined http responses on close #26226
- Fix error message if an incompatible node connects #24884
- Packaging
-
- Fix handling of Windows paths containing parentheses #26916 (issue: #26454)
- Exit Windows scripts promptly on failure #25959
- Pass config path as a system property #25943
- ES_HOME needs to be made absolute before attempt at traversal #25865
- Fix elasticsearch-keystore handling of path.conf #25811
- Stop disabling explicit GC #25759
- Avoid failing install if system-sysctl is masked #25657 (issue: #24234)
- Get short path name for native controllers #25344
- When stopping via systemd only kill the JVM, not its control group #25195
- remove remaining references to scripts directory #24771
- Handle parentheses in batch file path #24731 (issue: #24712)
- Detect modified keystore on package removal #26300
- Create keystore on RPM and Debian package install #26282
- Add safer empty variable checking for Windows #26268 (issue: #26261)
- Export HOSTNAME environment variable #26262 (issues: #25807, #26255)
- Fix daemonization command status test #26196 (issue: #26080)
- Set RuntimeDirectory in systemd service #23526
- Parent/Child
- Percolator
- Plugin Analysis Kuromoji
- Plugin Analysis Phonetic
- Plugin Discovery File
- Plugin Ingest Attachment
- Plugin Lang Painless
-
- Painless: allow doubles to be casted to longs. #25936
- Plugin Repository Azure
-
- Azure snapshots can not be restored anymore #26778 (issues: #22858, #26751, #26777)
- Snapshot : azure module - accelerate the listing of files (used in delete snapshot) #25710 (issue: #25424)
- Use Azure upload method instead of our own implementation #26751
- Make calls to CloudBlobContainer#exists privileged #25937 (issue: #25931)
- Plugin Repository GCS
- Plugin Repository HDFS
- Plugin Repository S3
- Plugins
- Query DSL
-
- Fixed incomplete JSON body on count request making org.elasticsearch.rest.action.RestActions#parseTopLevelQueryBuilder go into endless loop #26680 (issue: #26083)
- SpanNearQueryBuilder should return the inner clause when a single clause is provided #25856 (issue: #25630)
- Refactor field expansion for match, multi_match and query_string query #25726 (issues: #25551, #25556)
- WrapperQueryBuilder should also rewrite the parsed query #25480
- REST
-
- Rest test fixes #27354
- Fix inconsistencies in the rest api specs for cat.snapshots #26996 (issues: #25737, #26923)
- Fix inconsistencies in the rest api specs for *_script #26971 (issue: #26923)
- exists template needs a template name #25988
- Fix handling of invalid error trace parameter #25785 (issue: #25774)
- Fix handling of exceptions thrown on HEAD requests #25172 (issue: #21125)
- Fixed NPEs caused by requests without content. #23497 (issue: #24701)
- Fix get mappings HEAD requests #23192 (issue: #21125)
- Recovery
- Reindex API
- Scroll
-
-
Fix single shard scroll within a cluster with nodes in version
>= 5.3and<= 5.3#24512
-
Fix single shard scroll within a cluster with nodes in version
- Search
-
- Fail query when a sort is provided in conjunction with rescorers #26510
- Let search phases override max concurrent requests #26484 (issue: #26198)
- Avoid stack overflow on search phases #27069 (issue: #27042)
- Fix search_after with geo distance sorting #26891
- Fix serialization errors when cross cluster search goes to a single shard #26881 (issue: #26833)
- Early termination with index sorting should not set terminated_early in the response #26597 (issue: #26408)
- Format doc values fields. #22146
- Fix term(s) query for range field #25918
- Caching a MinDocQuery can lead to wrong results. #25909
- Fix random score generation when no seed is provided. #25908
- Merge FunctionScoreQuery and FiltersFunctionScoreQuery #25889 (issues: #15709, #23628)
-
Respect cluster alias in
_indexaggs and queries #25885 (issue: #25606) - First increment shard stats before notifying and potentially sending response #25818
- Remove assertion about deviation when casting to a float. #25806 (issue: #25330)
- Prevent skipping shards if a suggest builder is present #25739 (issue: #25658)
- Ensure remote cluster alias is preserved in inner hits aggs #25627 (issue: #25606)
- Do not search locally if remote index pattern resolves to no indices #25436 (issue: #25426)
- Adds check for negative search request size #25397 (issue: #22530)
- Make sure range queries are correctly profiled. #25108
- Fix RangeFieldMapper rangeQuery to properly handle relations #24808 (issue: #24744)
- Fix ExpandSearchPhase when response contains no hits #24688 (issue: #24672)
- Refactor simple_query_string to handle text part like multi_match and query_string #26145 (issue: #25726)
-
Fix
_exists_in query_string on empty indices. #25993 (issue: #25956) - Fix script field sort returning Double.MAX_VALUE for all documents #24942 (issue: #24940)
- Compute the took time of the query after the expand phase of field collapsing #24902 (issue: #24900)
- Security
-
-
Prevented 6.0 nodes from joining clusters with un-upgraded version 5
.securityindices. For upgrade instructions, see Upgrading the Elastic Stack. -
Enabled read-only access to the index audit log by the
_xpackinternal user. For more information, see Internal users. -
Updated the concrete security index such that it is now always named
.security-6. In 6.0 beta and RC releases, it was sometimes named.security-v6. - Fixed handling of exceptions when retrieving roles from a native roles store. For more information about configuring a native realm, see Native User Authentication.
-
Prevented 6.0 nodes from joining clusters with un-upgraded version 5
- Sequence IDs
-
- Fire global checkpoint sync under system context #26984
- Fix pre-6.0 response to unknown replication actions #25744 (issue: #10708)
- Track local checkpoint on primary immediately #25434 (issues: #10708, #25355, #25415)
- Initialize max unsafe auto ID timestamp on shrink #25356 (issues: #10708, #25355)
- Use correct primary term for replicating NOOPs #25128
- Handle already closed while filling gaps #25021 (issue: #24925)
- TranslogWriter.assertNoSeqNumberConflict failure [ISSUE] #26710
- Avoid losing ops in file-based recovery #22945 (issue: #22484)
- Handle primary failure handling replica response #24926 (issue: #24935)
- Settings
-
- Emit settings deprecation logging on empty update #27017 (issue: #26419)
- Fix filtering for ListSetting #26914
- Fix settings serialization to not serialize secure settings or not take the total size into account #25323
- Keystore CLI should use the AddFileKeyStoreCommand for files #25298
- Allow resetting settings that use an IP validator #24713 (issue: #24709)
- Updating an unrecognized setting should error out with that reason [ISSUE] #25607
- Settings: Fix setting groups to include secure settings #25076 (issue: #25069)
- Similarities
-
- Add boolean similarity to built in similarity types #26613
- Snapshot/Restore
-
- Snapshot/Restore: better handle incorrect chunk_size settings in FS repo #26844 (issue: #26843)
- Snapshot/Restore: Ensure that shard failure reasons are correctly stored in CS #25941 (issue: #25878)
- Output all empty snapshot info fields if in verbose mode #25455 (issue: #24477)
- Remove redundant and broken MD5 checksum from repository-s3 #25270 (issue: #25269)
- Consolidates the logic for cleaning up snapshots on master election #24894 (issue: #24605)
- Removes completed snapshot from cluster state on master change #24605 (issue: #24452)
- Keep snapshot restore state and routing table in sync #20836 (issue: #19774)
- Master failover during snapshotting could leave the snapshot incomplete [OPEN] [ISSUE] #25281
- Fix inefficient (worst case exponential) loading of snapshot repository #24510 (issue: #24509)
- Stats
-
- Fix RestGetAction name typo #27266
- Keep cumulative elapsed scroll time in microseconds #27068 (issue: #27046)
- _nodes/stats should not fail due to concurrent AlreadyClosedException #25016 (issue: #23099)
- Avoid double decrement on current query counter #24922 (issues: #22996, #24872)
- Adjust available and free bytes to be non-negative on huge FSes #24911 (issues: #23093, #24453)
- Suggesters
- Templates
- Translog
-
- Fix Translog.Delete serialization for sequence numbers #22543
- Upgrade API
Regressionsedit
- Bulk
- Highlighting
- Search
- Sequence IDs
-
- Indexing performance degradation in 6.0.0-beta1 [ISSUE] #26339
Upgradesedit
- Core
- Logging
- Network
- Plugin Ingest Attachment
- Upgrade API