ElasticSearch 1.3.3 发布了，下载地址：
https://github.com/elasticsearch/elasticsearch/archive/v1.3.3.zip
完整改进记录：
Breaking changes
Mapping:
Remove unsupported postings_format / doc_values_format #7604 (issues: #7238, #7566)
Enhancements
Core:
Check if from + size don’t cause overflow and fail with a better error #7778 (issue: #7774)
Internal:
Chunk direct buffer usage by networking layer #7811
DistributorDirectory shouldn’t search for directory when reading existing file #7323 (issue: #7306)
Switch to fixed thread pool by default for management threads #7320 (issue: #7318)
Test:
use local random instance rather than thread local version #7665
Bug fixes
Backport Recovery / Snapshot file identity improvements to 1.3 #7857 (issues: #7351, #7434)
Aggregations:
Added missing module registration in TransportClient for Significant Terms #7852 (issue: #7840)
Inconsistent sorting of top_hits fixed #7697
Fixes resize bug in Geo bounds Aggregator #7565 (issue: #7556)
The nested aggregator should iterate over the child doc ids in ascending order. #7514 (issue: #7505)
Bulk API:
Bulk operation can create duplicates on primary relocation #7729
Indexed Scripts/Templates:
Change the default auto_expand to 0-all #7502
Fix .script index template. #7500
Internal:
Make close() synchronized during node shutdown #7885
Ensure GroupShardsIterator is consistent across requests, to ensure consistent sorting #7698
Turn unexpected exceptions when reading segments into CorruptedIndexException #7693
Unify search context cleanup #7643 (issue: #7625)
Use SEARCH threadpool for potentially blocking operations #7624 (issue: #7623)
Wait until engine is started up when acquiring searcher #7456 (issue: #7455)
Indexes unuseable after upgrade from 0.2 to 1.3 and cluster restart #7430
Use node’s cluster name as a default for an incoming cluster state who misses it #7414 (issue: #7386)
Force optimize was not passed to shard request #7405 (issue: #7404)
Ignore segments.gen on metadata snapshots #7379
When serializing HttpInfo, return null info if service is not started #6906
Java API:
Add back string op type to IndexRequest #7387
Mapping:
Fix index setting in _boost field #7557
Keep parameters in mapping for _timestamp and _size even if disabled #7475
Nested:
If the _type field isn’t indexed nested inner docs must be filtered out. #7410
Parent/Child:
has_child or other p/c query wrapped in a query filter may emit wrong results #7685
Add support for the field data loading option to the _parent field. #7402 (issue: #7394)
If _parent field points to a non existing parent type, then skip the has_parent query/filter #7362 (issue: #7349)
Query DSL:
Empty bool {} should return match_all #7347 (issue: #7240)
Resiliency:
Improve recovery / snapshot restoring file identity handling #7351
Scan:
Use ConcurrentHashMap in scan search to keep track of the reader states. #7499 (issue: #7478)
Snapshot/Restore:
Allow to get metadata from arbitrary commit points #7376
Fix NPE in SnapshotsService on node shutdown #7322 (issue: #6506)
Suggesters:
infinite loop in GeolocationContextMapping #7433
Bugs with encoding multiple levels of geo precision #7369 (issue: #7368)
Transport Client:
fixed the node retry mechanism which could fail without trying all the connected nodes #6829
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