Elasticsearch 6.0.1 已发布，Elasticsearch 是一个分布式的 RESTful 风格的搜索和数据分析引擎。
Scroll
Fail queries with scroll that explicitely set request_cache #27342
Core
Fix classes that can exit #27518
Discovery
Stop responding to ping requests before master abdication #27329 (issue: #27328)
Plugin Repository S3
Remove S3 output stream #27280 (issue: #27278)
Update to AWS SDK 1.11.223 #27278
Search
fix unnecessary logger creation #27349
Sequence IDs
Log primary-replica resync failures #27421 (issues: #24841, #27418)
Snapshot/Restore
Remove XContentType auto detection in BlobStoreRepository #27480
Cluster
Properly format IndexGraveyard deletion date as date #27362
Do not set data paths on no local storage required #27587 (issue: #27572)
Ensure threadcontext is preserved when refresh listeners are invoked #27565
Avoid NPE when getting build information #27442
When building Settings do not set SecureSettings if empty #26988 (issue: #316)
Engine
Reset LiveVersionMap on sync commit #27534 (issue: #27516)
Carry over version map size to prevent excessive resizing #27516 (issue: #20498)
Inner Hits
Return an empty _source for nested inner hit when filtering on a field that doesn’t exist #27531
Mapping
Fix dynamic mapping update generation. #27467
Fixed rounding of bounds in scaled float comparison #27207 (issue: #27189)
Nested Docs
Ensure nested documents have consistent version and seq_ids #27455
Network
Throw UOE from compressible bytes stream reset #27564 (issue: #24927)
Bubble exceptions when closing compressible streams #27542 (issue: #27540)
Plugin Lang Painless
Painless: Fix errors allowing void to be assigned to def. #27460 (issue: #27210)
Plugin Repository GCS
Create new handlers for every new request in GoogleCloudStorageService #27339 (issue: #27092)
Recovery
Flush old indices on primary promotion and relocation #27580 (issue: #27536)
Reindex API
Reindex: Fix headers in reindex action #26937 (issue: #22976)
Fix profiling naming issues #27133
Fix resync request serialization #27418 (issue: #24841)
Do not swallow exception in ChecksumBlobStoreFormat.writeAtomic() #27597
Delete shard store files before restoring a snapshot #27476 (issues: #20220, #26865)
Fix snapshot getting stuck in INIT state #27214 (issue: #27180)
Fix default value of ignore_unavailable for snapshot REST API (#25359) #27056 (issue: #25359)
Do not create directory on readonly repository (#21495) #26909 (issue: #21495)
Plugin Discovery EC2
Upgrade AWS SDK Jackson Databind to 2.6.7.1 #27361 (issues: #27278, #27359)
Plugin Discovery GCE
Update Google SDK to version 1.23.0 #27381 (issue: #26636)
下载地址：
https://www.elastic.co/downloads/elasticsearch
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Elasticsearch 6.0.1 发布，分布式搜索引擎
Elasticsearch 6.0.1 已发布，Elasticsearch 是一个分布式的 RESTful 风格的搜索和数据分析引擎。
重要改变
Scroll
Fail queries with scroll that explicitely set request_cache #27342
改进
Core
Fix classes that can exit #27518
Discovery
Stop responding to ping requests before master abdication #27329 (issue: #27328)
Plugin Repository S3
Remove S3 output stream #27280 (issue: #27278)
Update to AWS SDK 1.11.223 #27278
Search
fix unnecessary logger creation #27349
Sequence IDs
Log primary-replica resync failures #27421 (issues: #24841, #27418)
Snapshot/Restore
Remove XContentType auto detection in BlobStoreRepository #27480
Bug 修复
Cluster
Properly format IndexGraveyard deletion date as date #27362
Core
Do not set data paths on no local storage required #27587 (issue: #27572)
Ensure threadcontext is preserved when refresh listeners are invoked #27565
Avoid NPE when getting build information #27442
When building Settings do not set SecureSettings if empty #26988 (issue: #316)
Engine
Reset LiveVersionMap on sync commit #27534 (issue: #27516)
Carry over version map size to prevent excessive resizing #27516 (issue: #20498)
Inner Hits
Return an empty _source for nested inner hit when filtering on a field that doesn’t exist #27531
Mapping
Fix dynamic mapping update generation. #27467
Fixed rounding of bounds in scaled float comparison #27207 (issue: #27189)
Nested Docs
Ensure nested documents have consistent version and seq_ids #27455
Network
Throw UOE from compressible bytes stream reset #27564 (issue: #24927)
Bubble exceptions when closing compressible streams #27542 (issue: #27540)
Plugin Lang Painless
Painless: Fix errors allowing void to be assigned to def. #27460 (issue: #27210)
Plugin Repository GCS
Create new handlers for every new request in GoogleCloudStorageService #27339 (issue: #27092)
Recovery
Flush old indices on primary promotion and relocation #27580 (issue: #27536)
Reindex API
Reindex: Fix headers in reindex action #26937 (issue: #22976)
Search
Fix profiling naming issues #27133
Sequence IDs
Fix resync request serialization #27418 (issue: #24841)
Snapshot/Restore
Do not swallow exception in ChecksumBlobStoreFormat.writeAtomic() #27597
Delete shard store files before restoring a snapshot #27476 (issues: #20220, #26865)
Fix snapshot getting stuck in INIT state #27214 (issue: #27180)
Fix default value of ignore_unavailable for snapshot REST API (#25359) #27056 (issue: #25359)
Do not create directory on readonly repository (#21495) #26909 (issue: #21495)
升级
Plugin Discovery EC2
Upgrade AWS SDK Jackson Databind to 2.6.7.1 #27361 (issues: #27278, #27359)
Plugin Discovery GCE
Update Google SDK to version 1.23.0 #27381 (issue: #26636)
下载地址：
https://www.elastic.co/downloads/elasticsearch