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https://issues.apache.org/jira/browse/HBASE-26320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17440955#comment-17440955
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Pankaj Kumar commented on HBASE-26320:
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Thanks [~zyork] for merging this in master branch, are you planning to port it
to branch-2/1?
> Separate Log Cleaner DirScanPool to prevent the OLDWALs from filling up the
> disk when archive is large
> ------------------------------------------------------------------------------------------------------
>
> Key: HBASE-26320
> URL: https://issues.apache.org/jira/browse/HBASE-26320
> Project: HBase
> Issue Type: Improvement
> Components: Operability
> Affects Versions: 1.7.1, 2.4.6
> Reporter: Zach York
> Assignee: Zach York
> Priority: Major
>
> We currently share the DirScanPool (threadpool for scanning for files to
> delete in the OldLogs and archive directories) between the LogCleaner and
> HFileCleaner. This means that if the archive directory is large/has lots of
> files/directories, the threads can get stuck scanning through the archive
> directory, starving the LogCleaner. This is especially apparent on S3 where
> list can be slower than on HDFS.
> This JIRA creates separate DirScanPools for the LogCleaner and HFileCleaner
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