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Posted to dev@hbase.apache.org by "Reid Chan (JIRA)" <ji...@apache.org> on 2017/11/20 13:45:00 UTC

[jira] [Created] (HBASE-19306) Avoid thread flood when both LogCleaner and HFileCleaner support multi threads execution

Reid Chan created HBASE-19306:
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             Summary: Avoid thread flood when both LogCleaner and HFileCleaner support multi threads execution
                 Key: HBASE-19306
                 URL: https://issues.apache.org/jira/browse/HBASE-19306
             Project: HBase
          Issue Type: Improvement
          Components: wal
            Reporter: Reid Chan


As discussion in HBASE-18309, it is possible that thread flood occurs when {{LogCleaner}} and {{HFileCleaner}} start their responsibility simultaneously in HMaster, worse case would drag NameNode down which would be the most unpleasant situation.

We shall find a way to minimize the probability of that, or the better case, avoid that happening.



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