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From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18309) Support multi threads to clean oldWALs
Date Mon, 03 Jul 2017 08:44:00 GMT
binlijin created HBASE-18309:
--------------------------------

             Summary: Support multi threads to clean oldWALs
                 Key: HBASE-18309
                 URL: https://issues.apache.org/jira/browse/HBASE-18309
             Project: HBase
          Issue Type: Improvement
            Reporter: binlijin


There is only one thread in LogCleaner to clean oldWALs and in our big cluster we find this
is not enough. The number of files under oldWALs reach the max-directory-items limit of HDFS
and cause region server crash, so we use multi threads for LogCleaner and the crash not happened
any more.



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