直播主题
GC优化利器 - HBase2.0全链路offheap
分享讲师
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
