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binlijin commented on HBASE-18309: ---------------------------------- I find this is the same problem with HBASE-14247, but use different method to solve it, suggestions are welcomed > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)