Bo Cui created HBASE-25506:
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Summary: ServerManager affects MTTR of HMaster
Key: HBASE-25506
URL: https://issues.apache.org/jira/browse/HBASE-25506
Project: HBase
Issue Type: Improvement
Components: MTTR
Reporter: Bo Cui
Attachments: image-2021-01-14-17-44-16-091.png,
image-2021-01-14-17-44-42-181.png
https://github.com/apache/hbase/blob/3488c44a21612aae1835fc3e91a4a12ed2abb8b7/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java#L925
If a cluster has N+W regions, this
removeDeletedRegionFromLoadedFlushedSequenceIds takes a long time...
!image-2021-01-14-17-44-16-091.png!
!image-2021-01-14-17-44-42-181.png!
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