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From "Reid Chan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18309) Support multi threads in CleanerChore
Date Fri, 17 Nov 2017 10:13:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Reid Chan updated HBASE-18309:
    Status: Open  (was: Patch Available)

> Support multi threads in CleanerChore
> -------------------------------------
>                 Key: HBASE-18309
>                 URL: https://issues.apache.org/jira/browse/HBASE-18309
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>            Reporter: binlijin
>            Assignee: Reid Chan
>         Attachments: HBASE-18309.master.001.patch, HBASE-18309.master.002.patch, HBASE-18309.master.004.patch,
HBASE-18309.master.005.patch, HBASE-18309.master.006.patch, HBASE-18309.master.007.patch,
> 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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