[Elasticsearch] 0.90.3 release..

http://www.elasticsearch.org/download/

breaking changes:

• Java Client: Renamed IndicesAdminClient.existsAliases() to IndicesAdminClient.aliasesExist #3330

new features:

• Support for the pattern replace char filter has been added #3197
• A new API to check if there are pending cluster tasks has been added #3368
• A new completion suggestion based on prefix suggestions has been added (this is experiemental) #3376

enhancements:

• Support for named filters has been added #3097
• The has_child query has been optimized to execute faster when matching parent count is low #3190
• Integer field data implementations have been merged #3220
• The rescore query now supports a score_mode #3258
• Mget fields parameter can now be a string or an array #3270
• XContentParser/Generator now can handle simple arrays #3279
• Bulk deletes now contain a found field #3320
• Zen discovery cluster events now have an urgent priority #3361
• An own channel for pings has been added in order to be independent from huge cluster state updates #3362
• Cluster state update APIs now respect the master_timeout much better #
• A new dedicated thread pool for the optimize API has been added #3366
• FastVectorHighlighter now supports complex queries (such as multi phrase queries with two terms at the same position) #3357
• The recursion level of the hunspell filter is now configurable in the mapping #3369
• Every distribution now contains information about its git build #3370
• The dynamic flag in the root object mapper can now be configured dynamically on runtime #3384
• Less cluster state changes if auto_expand_replicas is set #3399
• Open/Close index API now supports an ackknowledgement from other nodes instead of simply waiting for the change in the cluster state #3400
• Whenever analyzing strings, elasticsearch now uses Lucene methods introduced with Lucene 4.4, which reuse internal data structures#3409
• In addition, the formerly used methods have been deprecated #3411
• Improved alias handling in the cluster state (much faster if you have tens of thousands of aliases) #3410
• The delete API now waits until a shard is removed from disk #3413
• Rerouting of shards now happens on a shard started event #3417
• The Index Template API now is more RESTful, supports HEAD and returns a proper 404 if it does not exist #3434
• HighlightBuilder is now consistent with REST API #3435
• The header response (including the successful/failed shards) has been streamlined between different requests #3441

bug fixes:

• Timestamp index settings in a mapping are now correctly returned #3174
• Field data now supports more than 2B ordinals per segment #3189
• TokenStreams were reset twice when highlighting #3200
• The geo_shape filter now handles multiple shapes per document correctly#3242
• PluginManager fixes
  • The PluginManager now parses parameters correctly again (regression from 0.90.1) #3245
  • Calling the PluginManager while having a non-existing plugins directory is now handled #3253
• The index warmer setting to is now configurable at runtime #3246
• The order of fields in a suggest request can now be arbitrary #3247
• More-like-this now correctly returns an error message if used with numeric fields (that error can be simply ignored as well) #3252
• The parent option is now taken into account for delete requests #3257
• The Update APIs doc_as_upsert option is now taken into account correctly #3265
• Mget requests do not abort completely anymore if any index is missing #3267
• Parent is taken into account in exists request #3276
• Removed java dependency from debian package, so arbitrarily installed java can be used #3284
• Partial fields filtering could return false matches #3288
• Caching of top_children, has_child and has_parent queryies could lead to a ClassCastException #3290
• Script based sorting was applied after pagination #3309
• Unallocated indexes cannot be closed immediately to prevent indices which cannot be opened anymore #3313
• Thai analyzer now makes use of stopwords #3342
• Unset top level filter now behaves the same as inside a filtered query #3356
• Pattern replace filter now has an empty default set to ensure same behaviour on upgrades #3359
• Alias validation on adding aliases has been improved #3363
• Uncaught exceptions on cluster state updates could lead to hanging request #3364
• FuzzyLikeThisFieldQueryBuilder defaults are now consistent with the REST API #3374
• Updatting a mapping with ignore_conflicts could hang and timeout #3381
• Setting index.gc_deletes on runtime is working properly now #3396
• MoreLikeThisFieldQueryBuilder defaults are now consistent with the REST API #3402
• Query/Filter facet counter is now 64bit #3419
• The pid file was not properly overwritten if it already existed #3425
• Search in a shard group while relocation final flip happens could have failed #3427
• UpsertRequests now contain all metadata fields (parent, routing, etc.) #3444
• Retry_on_conflict setting in a bulk request could lead to an NPE #3447