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== 5.6.2 Release Notes === Bug fixes Aggregations:: - Do not delegate a null scorer to LeafBucketCollectors Inner Hits:: - Do not allow inner hits that fetch _source and have a non nested object field as parent Internal:: - Catch exceptions and inform handler in RemoteClusterConnection#collectNodes Java API:: - BulkProcessor flush runnable preserves the thread context from creation time Java High Level REST Client:: - Make RestHighLevelClient's Request class public Plugin Analysis Kuromoji:: - Fix kuromoji default stoptags Plugin Repository HDFS:: - Fix permission errors when using Read Only HDFS Repository Query DSL:: - Fixed incomplete JSON body on count request making org.elasticsearch.rest.action.RestActions#parseTopLevelQueryBuilder go into endless loop Scripting:: - Add missing script contexts and types allowed settings Upgrade API:: - Upgrade API: fix excessive logging and unnecessary template updates === Upgrades Logging:: - Upgrade to Log4j 2.9.1 == 5.6.1 Release Notes === Bug fixes Highlighting:: - Fix percolator highlight sub fetch phase to not highlight query twice Mapping:: - Fix unmapped_type creation for indices created in 2.x Similarities:: - Add boolean similarity to built in similarity types === Upgrades Core:: - Upgrade to Lucene-6.6.1. == 5.6.0 Release Notes === Breaking Java changes Java High Level REST Client:: - Allow RestHighLevelClient to use plugins Java REST Client:: - Rename client artifacts === Deprecations Highlighting:: - Postings highlighter deprecation Indexed Scripts/Templates:: - Scripting: Deprecate stored search template apis Mapping:: - Add deprecation logging when _all is enabled Query DSL:: - Deprecate omitting terms lookup index name in 5.6 Scripting:: - Scripting: Deprecate scripts.max_compilation_per_minute setting - Scripting: Change keys for inline/stored scripts to source/id Tribe Node:: - Deprecate tribe service === New features Java High Level REST Client:: - Backport high level REST client Parent/Child:: - Typeless parent child backport - Move parent_id query to the parent-join module - Introduce ParentJoinFieldMapper, a field mapper that creates parent/child relation within documents of the same index Upgrade API:: - TemplateUpgraders should be called during rolling restart === Enhancements Allocation:: - Adjust status on bad allocation explain requests - Promote replica on the highest version node Analysis:: - [analysis-icu] Allow setting unicodeSetFilter CAT API:: - expand `/_cat/nodes` to return information about hard drive Cluster:: - Validate a joining node's version with version of existing cluster nodes Core:: - Add max file size bootstrap check - Explicitly reject duplicate data paths Highlighting:: - Picks offset source for the unified highlighter directly from the es mapping Index APIs:: - Create index request should return the index name Ingest:: - Add Ingest-Processor specific Rest Endpoints & Add Grok endpoint - Port support for commercial GeoIP2 databases from Logstash. - Allow removing multiple fields in ingest processor - Add target_field parameter to ingest processors Internal:: - Use holder pattern for lazy deprecation loggers - "shard started" should show index and shard ID - Break out clear scroll logic from TransportClearScrollAction - Add helper methods to TransportActionProxy to identify proxy actions and requests - Add remote cluster infrastructure to fetch discovery nodes. - Disallow multiple parent-join fields per mapping Java High Level REST Client:: - [DOCS] restructure java clients docs pages - Use SPI in High Level Rest Client to load XContent parsers Java REST Client:: - Shade external dependencies in the rest client jar - RestClient uses system properties and system default SSLContext Logging:: - Use LRU set to reduce repeat deprecation messages Mapping:: - Optimize `terms` queries on `ip` addresses to use a `PointInSetQuery` whenever possible. Network:: - Simplify connection closing and cleanups in TcpTransport Packaging:: - Remove memlock suggestion from systemd service - Set address space limit in systemd service file Parent/Child:: - Remove ParentJoinFieldSubFetchPhase - Support parent id being specified as number in the _source Query DSL:: - Make slop optional when parsing `span_near` query Search:: - Reduce the overhead of timeouts and low-level search cancellation. - Reduce profiling overhead. - Backport `can_match` endpoint to 5.6 to allow 6.0 to use the optimization in mixed version - Add a shard filter search phase to pre-filter shards based on query rewriting - Ensure we rewrite common queries to `match_none` if possible - Limit the number of concurrent shard requests per search request - Add cluster name validation to RemoteClusterConnection - Leverage scorerSupplier when applicable. - Add Cross Cluster Search support for scroll searches Sequence IDs:: - 5.x - Move primary term from ReplicationRequest to ConcreteShardRequest - Forward compatibility for primary context handoff on 6.x Settings:: - Emit settings deprecation logging at most once - IndexMetaData: Introduce internal format index setting Snapshot/Restore:: - Improves snapshot logging and snapshot deletion error handling Stats:: - Update `IndexShard#refreshMetric` via a `ReferenceManager.RefreshListener` === Bug fixes Aggregations:: - Fixes array out of bounds for value count agg Aliases:: - mget with an alias shouldn't ignore alias routing Allocation:: - Allow wildcards for shard IP filtering Analysis:: - Pre-configured shingle filter should disable graph analysis CRUD:: - Serialize and expose timeout of acknowledged requests in REST layer (ES 5.6) Cluster:: - Register setting `cluster.indices.tombstones.size` Core:: - Release operation permit on thread-pool rejection - Node should start up despite of a lingering `.es_temp_file` Discovery:: - MasterNodeChangePredicate should use the node instance to detect master change Engine:: - Engine - Do not store operations that are not index into lucene in the translog (5.x only) Geo:: - Fix GeoPoint FieldStats ternary logic bug Highlighting:: - Fix nested query highlighting - FastVectorHighlighter should not cache the field query globally Index APIs:: - Shrink API should ignore templates - Rollover max docs should only count primaries Ingest:: - Sort Processor does not have proper behavior with targetField Inner Hits:: - Fix inner hits to work with queries wrapped in an indices query - When fetching nested inner hits only access stored fields when needed Internal:: - Fix BytesReferenceStreamInput#skip with offset - Fix race condition in RemoteClusterConnection node supplier - Initialise empty lists in BaseTaskResponse constructor Java High Level REST Client:: - Register ip_range aggregation with the high level client - add top hits as a parsed aggregation to the rest high level client Logging:: - Lazy initialize deprecation logger in parser - Allow not configure logging without config - Declare XContent deprecation logger as static Mapping:: - ICUCollationKeywordFieldMapper use SortedSetDocValuesField - Fixed bug that mapper_parsing_exception is thrown for numeric field with ignore_malformed=true when inserting "NaN" - Coerce decimal strings for whole number types by truncating the decimal part - Fix parsing of ip range queries. - Remove `fielddata:false` from mappings of non-analyzed strings. - Disable date field mapping changing - token_count datatype should handle null value - keep _parent field while updating child type mapping Nested Docs:: - In case of a single type the _id field should be added to the nested document instead of _uid field Network:: - Release pipelined http responses on close - Ensure pending transport handlers are invoked for all channel failures Packaging:: - setgid on /etc/elasticearch on package install - Stop disabling explicit GC - Avoid failing install if system-sysctl is masked - Get short path name for native controllers - When stopping via systemd only kill the JVM, not its control group Parent/Child:: - The default _parent field should not try to load global ordinals Plugin Lang Painless:: - Painless: allow doubles to be casted to longs. Plugin Repository HDFS:: - Upgrading HDFS Repository Plugin to use HDFS 2.8.1 Client Query DSL:: - Parse "*" in query_string_query as MatchAllDocsQuery - SpanNearQueryBuilder should return the inner clause when a single clause is provided - WrapperQueryBuilder should also rewrite the parsed query REST:: - Fix handling of exceptions thrown on HEAD requests Search:: - Fix term(s) query for range field - Caching a MinDocQuery can lead to wrong results. - First increment shard stats before notifying and potentially sending response - Remove assertion about deviation when casting to a float. - Prevent skipping shards if a suggest builder is present - Ensure remote cluster alias is preserved in inner hits aggs - Do not search locally if remote index pattern resolves to no indices Settings:: - Fix settings serialization to not serialize secure settings or not take the total size into account - Keystore CLI should use the AddFileKeyStoreCommand for files Snapshot/Restore:: - Snapshot/Restore: fix NPE while handling null failure reasons - Snapshot/Restore: Ensure that shard failure reasons are correctly stored in CS - Output all empty snapshot info fields if in verbose mode Stats:: - _nodes/stats should not fail due to concurrent AlreadyClosedException Suggesters:: - Context suggester should filter doc values field === Upgrades Network:: - Upgrade to Netty 4.1.13.Final Upgrade API:: - Improve stability and logging of TemplateUpgradeServiceIT tests == 5.5.3 Release Notes === Deprecations Mapping:: - Add deprecation logging when _all is enabled === Bug fixes Packaging:: - setgid on /etc/elasticearch on package install |
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