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GC优化利器 - HBase2.0全链路offheap

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林明--阿里巴巴-云hbase内核开发 高级工程师

内容概要

GC问题会带来访问毛刺，回顾一下读写链路，然后看看全链路offheap怎么减少GC停顿、减低P999延迟的。

视频回看

https://yq.aliyun.com/live/991

PPT下载

https://yq.aliyun.com/download/3509

参考文章

消灭毛刺！HBase2.0全链路offheap效果拔群：

https://yq.aliyun.com/articles/653642?spm=a2c4e.11155435.0.0.20ff3e4eUQ8HDz

贡献Patch

HBASE-17757 Unify blocksize after encoding to decrease memory fragment

https://issues.apache.org/jira/browse/HBASE-17757

HBASE-7404 Bucket Cache:A solution about CMS,Heap Fragment and Big Cache on HBASE

https://issues.apache.org/jira/browse/HBASE-7404

HBASE-8163 MemStoreChunkPool: An improvement for JAVA GC when using MSLAB

https://issues.apache.org/jira/browse/HBASE-8163

HBASE-20312 

CCSMap: A faster, GC-friendly, less memory Concurrent Map for memstore

https://issues.apache.org/jira/browse/HBASE-20312

PPT内容