95f43e4a4e
6.2.0 === Breaking changes Aggregations:: - Add a new cluster setting to limit the total number of buckets returned by a request Core:: - Forbid granting the all permission in production Highlighting:: - Limit the analyzed text for highlighting Search:: - Introduce limit to the number of terms in Terms Query === Breaking Java changes Java API:: - Remove `operationThreaded` from Java API Java High Level REST Client:: - REST high-level client: remove index suffix from indices client method names === Deprecations Analysis:: - Backport delimited payload filter renaming Suggesters:: - deprecating `jarowinkler` in favor of `jaro_winkler` - Deprecating `levenstein` in favor of `levensHtein` === New features Plugin Ingest GeoIp:: - Enable ASN support for Ingest GeoIP plugin. Plugin Lang Painless:: - Painless: Add spi jar that will be published for extending whitelists - Painless: Add a simple cache for whitelist methods and fields. Plugins:: - Add the ability to bundle multiple plugins into a meta plugin Rank Evaluation:: - Backport of ranking evaluation API (#27478) Recovery:: - Backport for using lastSyncedGlobalCheckpoint in deletion policy Reindex API:: - Add scroll parameter to _reindex API === Enhancements Allocation:: - Fix cluster.routing.allocation.enable and cluster.routing.rebalance.enable case - Add node id to shard failure message Analysis:: - Limit the analyzed text for highlighting (#27934) - Allow TrimFilter to be used in custom normalizers Circuit Breakers:: - Add accounting circuit breaker and track segment memory usage Cluster:: - Adds wait_for_no_initializing_shards to cluster health API Core:: - Introduce elasticsearch-core jar - Rename core module to server - Introduce elasticsearch-core jar - Add Writeable.Reader support to TransportResponseHandler - Simplify rejected execution exception - Add node name to thread pool executor name Discovery:: - Add information when master node left to DiscoveryNodes' shortSummary() Engine:: - Move uid lock into LiveVersionMap - Optimize version map for append-only indexing Geo:: - [GEO] Add WKT Support to GeoBoundingBoxQueryBuilder - [Geo] Add Well Known Text (WKT) Parsing Support to ShapeBuilders Highlighting:: - Include all sentences smaller than fragment_size in the unified highlighter Ingest:: - Enable convert processor to support Long and Double Internal:: - Make KeyedLock reentrant - Make AbstractQueryBuilder.declareStandardFields to be protected - Tighten the CountedBitSet class - Avoid doing redundant work when checking for self references. Java API:: - Add missing delegate methods to NodeIndicesStats - Java api clean-up : consistency for `shards_acknowledged` getters Java High Level REST Client:: - add toString implementation for UpdateRequest. - Add Close Index API to the high level REST client - Add Open Index API to the high level REST client - Added Create Index support to high-level REST client - Add multi get api to the high level rest client - Add msearch api to high level client Mapping:: - Allow `_doc` as a type. Network:: - Add NioGroup for use in different transports - Add read timeouts to http module - Implement byte array reusage in `NioTransport` - Introduce resizable inbound byte buffer - Decouple nio constructs from the tcp transport Packaging:: - Extend JVM options to support multiple versions - Add explicit coreutils dependency - Detect mktemp from coreutils - Enable GC logs by default - Use private directory for temporary files Percolator:: - also extract match_all queries when indexing percolator queries Plugin Lang Painless:: - Painless: Add whitelist extensions - Painless: Modify Loader to Load Classes Directly from Definition - Clean Up Painless Cast Object - Painless: Only allow Painless type names to be the same as the equivalent Java class. Plugins:: - Add client actions to action plugin - Plugins: Add validation to plugin descriptor parsing - Plugins: Add plugin extension capabilities - Add support for filtering mappings fields Rank Evaluation:: - Simplify RankEvalResponse output Recovery:: - Truncate tlog cli should assign global checkpoint - Replica starts peer recovery with safe commit - Primary send safe commit in file-based recovery - Fail resync-failed shards in subsequent writes - Introduce promoting index shard state - Non-peer recovery should set the global checkpoint - Persist global checkpoint when finalizing a peer recovery - Rollback a primary before recovering from translog Rollover:: - Fail rollover if duplicated alias found in templates Search:: - Use typeName() to check field type in GeoShapeQueryBuilder - Optimize search_after when sorting in index sort order Sequence IDs:: - Do not keep 5.x commits when having 6.x commits - Use lastSyncedGlobalCheckpoint in deletion policy - Use CountedBitSet in LocalCheckpointTracker - Only fsync global checkpoint if needed - Keep commits and translog up to the global checkpoint - Adjust CombinedDeletionPolicy for multiple commits - Keeps index commits up to the current global checkpoint - Dedup translog operations by reading in reverse Settings:: - Add validation of keystore setting names Snapshot/Restore:: - Use AmazonS3.doesObjectExist() method in S3BlobContainer - Remove XContentType auto detection in BlobStoreRepository - Include include_global_state in Snapshot status API (#22423) Task Manager:: - Add ability to associate an ID with tasks Translog:: - Simplify MultiSnapshot#SeqNoset - Enclose CombinedDeletionPolicy in SnapshotDeletionPolicy === Bug fixes Aggregations:: - Adds metadata to rewritten aggregations - Fix NPE on composite aggregation with sub-aggregations that need scores - StringTerms.Bucket.getKeyAsNumber detection type - Fix incorrect results for aggregations nested under a nested aggregation - Fix global aggregation that requires breadth first and scores - Fix composite aggregation when after term is missing in the shard - Fix preserving FiltersAggregationBuilder#keyed field on rewrite - Using DocValueFormat::parseBytesRef for parsing missing value parameter - Fix illegal cast of the "low cardinality" optimization of the `terms` aggregation. - Always include the _index and _id for nested search hits. Allocation:: - Do not open indices with broken settings Core:: - Fix lock accounting in releasable lock - Fixes ByteSizeValue to serialise correctly - Do not set data paths on no local storage required - Ensure threadcontext is preserved when refresh listeners are invoked - Ensure logging is configured for CLI commands Engine:: - Replica recovery could go into an endless flushing loop - Use `_refresh` to shrink the version map on inactivity - Allow resize version map under lock even if there are pending operations - Reset LiveVersionMap on sync commit Geo:: - Correct two equality checks on incomparable types - Handle case where the hole vertex is south of the containing polygon(s) Highlighting:: - Fix highlighting on a keyword field that defines a normalizer Inner Hits:: - Add version support for inner hits in field collapsing (#27822) Internal:: - Never return null from Strings.tokenizeToStringArray - Fallback to TransportMasterNodeAction for cluster health retries - Retain originalIndex info when rewriting FieldCapabilities requests Java REST Client:: - Do not use system properties when building the HttpAsyncClient Mapping:: - Ignore null value for range field (#27845) - Pass `java.locale.providers=COMPAT` to Java 9 onwards - Allow update of `eager_global_ordinals` on `_parent`. - Fix merging of _meta field Network:: - Only bind loopback addresses when binding to local - Remove potential nio selector leak - Fix issue where the incorrect buffers are written - Throw UOE from compressible bytes stream reset - Bubble exceptions when closing compressible streams Packaging:: - Allow custom service names when installing on windows Percolator:: - Avoid TooManyClauses exception if number of terms / ranges is exactly equal to 1024 Plugin Analysis ICU:: - Catch InvalidPathException in IcuCollationTokenFilterFactory Plugin Analysis Phonetic:: - Fix daitch_mokotoff phonetic filter to use the dedicated Lucene filter Plugin Lang Painless:: - Painless: Fix variable scoping issue in lambdas - Painless: Fix errors allowing void to be assigned to def. Plugin Repository HDFS:: - Fix SecurityException when HDFS Repository used against HA Namenodes Plugins:: - Make sure that we don't detect files as maven coordinate when installing a plugin - Fix upgrading indices which use a custom similarity plugin. Recovery:: - Open engine should keep only starting commit - Allow shrinking of indices from a previous major - Set global checkpoint before open engine from store - Check and repair index under the store metadata lock - Flush old indices on primary promotion and relocation Rollover:: - Make index rollover action atomic Scripting:: - Ensure we protect Collections obtained from scripts from self-referencing Scroll:: - Reject scroll query if size is 0 (#22552) - Fix scroll query with a sort that is a prefix of the index sort Search:: - Fix simple_query_string on invalid input - Use the underlying connection version for CCS connections - Fix synonym phrase query expansion for cross_fields parsing - Carry forward weights, etc on rescore rewrite - Fix routing with leading or trailing whitespace Sequence IDs:: - Recovery from snapshot may leave seq# gaps - No longer unidle shard during recovery - Obey translog durability in global checkpoint sync Settings:: - Settings: Introduce settings updater for a list of settings - Fix setting notification for complex setting (affixMap settings) that could cause transient settings to be ignored - Fix environment variable substitutions in list setting - Allow index settings to be reset by wildcards Snapshot/Restore:: - Consistent updates of IndexShardSnapshotStatus - Avoid concurrent snapshot finalizations when deleting an INIT snapshot - Do not start snapshots that are deleted during initialization - Do not swallow exception in ChecksumBlobStoreFormat.writeAtomic() - Consistent update of stage and failure message in IndexShardSnapshotStatus - Fail restore when the shard allocations max retries count is reached - Delete shard store files before restoring a snapshot Stats:: - Fixes DocStats to properly deal with shards that report -1 index size - Include internal refreshes in refresh stats Term Vectors:: - Fix term vectors generator with keyword and normalizer === Upgrades Core:: - Dependencies: Update joda time to 2.9.9 - upgrade to lucene 7.2.1 - Upgrade jna from 4.4.0-1 to 4.5.1 Ingest:: - update ingest-attachment to use Tika 1.17 and newer deps 6.1.3 Engine:: - Replica recovery could go into an endless flushing loop Internal:: - Never return null from Strings.tokenizeToStringArray - Fallback to TransportMasterNodeAction for cluster health retries Mapping:: - Allow update of `eager_global_ordinals` on `_parent`. Scripting:: - Ensure we protect Collections obtained from scripts from self-referencing Settings:: - Fix setting notification for complex setting (affixMap settings) that could cause transient settings to be ignored - Fix environment variable substitutions in list setting Snapshot/Restore:: - Avoid concurrent snapshot finalizations when deleting an INIT snapshot - Do not start snapshots that are deleted during initialization |
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