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Posted to issues@hbase.apache.org by "binlijin (JIRA)" <ji...@apache.org> on 2017/07/03 08:44:00 UTC

[jira] [Created] (HBASE-18309) Support multi threads to clean oldWALs

binlijin created HBASE-18309:
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             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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