Zheng Hu created HBASE-22422:
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Summary: Retain an ByteBuff with refCnt=0 when getBlock from
LRUCache
Key: HBASE-22422
URL: https://issues.apache.org/jira/browse/HBASE-22422
Project: HBase
Issue Type: Sub-task
Reporter: Zheng Hu
Assignee: Zheng Hu
Attachments: image-2019-05-15-12-00-03-641.png
After runing YCSB scan/get benchmark in our XiaoMi cluster, we found the get
QPS dropped from 25000 to hunderds in a cluster with five nodes.
After enable the debug log at YCSB client side, I found the following
stacktrace.
!image-2019-05-15-12-00-03-641.png!
Need a patch to fix this.
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