Elasticsearch 0.90.4


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Release Notes

Breaking changes:

  • Remove RestActions#splitXXX(String) methods #3680
  • Debian & RPM packages: Disable immediate restart on package upgrade #3685
  • Flush API: Removed the refresh flag #3689
  • Optimize API: Removed the refresh flag #3690
  • Thread Pool: Removed blocking type option #3531

New features:

  • Function scoring. Do not miss the great explanation at the github issue #3423
  • An API to clear scroll requests has been added #3657
  • Shard allocation takes  free disk space into account #3480
  • Suggestions can be highlighted in the phrase suggester #3442
  • Random ordering (as part of the new function scoring) #1170

Enhancements:

  • A dedicated suggest thread pool has been added #3698
  • Debian package: Support for ARMHF in JDK_DIRS #3659
  • Rename IndexShard#searcher() to IndexShard#acquireSearcher() #3653
  • CompletionSuggest throws an exception if input string contains a reserved character #3648
  • Thread pools: Allow to control the number of processors sizes are based on #3643
  • BytesStreamOutput default size should be 2k instead of 32k #3638
  • Optionally ignore index names in request body for multi-get/search/bulk when indices are already given in url #3636
  • Use different LZF compression on Solaris to prevent segfaults #3634
  • Make the acceptable compression overhead used by MultiOrdinals configurable and default to FASTEST #3623
  • Remove org.elasticsearch.common.UUID and replace it with a simplified version #3605
  • Preventing possible stack overflow in completion suggester when using long input strings #3596
  • Support _name for queries as already supported by filters #3581
  • Improved refresh logic when replica move to started #3573
  • Smarter default to index.index_concurrency #3546
  • Bound processor size based calculations to a maximum of 32 #3545
  • Add option to disable printing out readable size and time values #3432
  • Renamed readable_format flag to human #3541
  • Improved exception handling in actions when forking to a thread pool #3524
  • Make RestSearchAction#parseSearchXXX(RestRequest) public #3499
  • Raised default timeout for deleting an index #3498
  • Improved backwards compatibility handling for NGram / EdgeNGram analysis #3489
  • Changed default operation_threading from single_thread to thread_per_shard #3483
  • Suggest ignores empty shards #3473
  • Completion suggestion enhancements
    • Support FuzzySuggester #3465
    • Allow payload to be an arbitrary value  #3550
    • Statistics for completion suggest are exposed now #3522
  • Expose IndexWriter#setUseCompoundFile() via engine settings. #3461
  • Improved filtering by _parent field #3454
  • Plugin Manager enhancements
    • Support silent mode #3628
    • Support -remove group/artifact/version naming scheme #3421
    • Install site plugin with custom url doesn't filter directory #3582
  • Index template enhancements
    • Enable GET /_template to show all templates #2532
    • Add client method to get a specific index template #3439
  • Mapping: Changing _source excludes/includes is now possible at runtime #3491

Bug fixes:

  • Briefly delete manifested mapping type on a node without reason #3697
  • Debian package: Init script fails due to unsupported syntax on non-Bash shells #3691
  • Rare race condition when introducing new fields into a mapping #3667
  • JsonGenerationException thrown in SuggestResponse#toString method #3661
  • CompletionStats: A resource leak was fixed, since requested searchers were not closed #3652
  • CompletionStats: Possible NullPointerException was fixed #3619
  • BalancedShardsAllocator prematurely modified unassigned shards list #3610
  • Closing an already closed index lead to a NullPointerException #3601
  • ArrayIndexOutOfBoundsException when using empty preference parameter #3591
  • Forced awareness fails to balance shards #3580
  • Cluster settings update could hang if received settings which were not dynamically updatable #3560
  • NullPointerException during concurrent merges #3555
  • Plugin Manager can not download _site plugins from github #3551
  • Wrong analyzer used when indexing dynamic property #3544
  • Date math not working correctly due to lower casing #3540
  • Dynamic templates from an index template could be skipped if a new type already have dynamic templates #3538
  • Setting index/bulk thread pools with queue_size could cause replica shard failures #3526
  • Removed static versions of MatchAllDocsQuery #3521
  • NullPointerException during discovery #3515
  • Certain exceptions could result in an unreleased search context #3513
  • Concurrent Put Mapping API to multiple indices/types could return prematurely #3507
  • Phrase queries automatically generated by query string ignored boosts #3503
  • Put mapping requests were prematurely acknowledged if other nodes were quicker than master #3487
  • FastVectorHighlighter failed with StackOverflow on terms with large TermFrequency #3486
  • A NullPointerException for POST mode facets was fixed if facet_filter accepts no documents #3479
  • An empty top level filter lead to failed search requests #3477
  • Changing the _default_ mapping was validated is if it was a normal type #3476
  • When replacing an existing _default_ type, the old one gets now correctly merged into the new mapping #3474
  • A possible NullPointerException in BytesRefOrdValComparator was fixed #3470
  • Prevent Phrase Suggester from failing on missing fields #3469
  • Inconsistent usage of ScriptScoreFunction in FiltersFunctionScoreQuery #3464
  • The bin/plugin shell script did not exit with a useful exit code on error #3463
  • More-Like-This query returned all documents if non of the fields in the document are supported #3453
  • Debian package: Older version of start-stop-daemon did not support --status parameter #3452
  • Geoshape filter could not handle multiple shapes #3242
  • CompletionFieldMapper ignored path: just_name #3669
  • Many cores could lead to huge thread pools #3478