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https://issues.apache.org/jira/browse/HBASE-17043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15646410#comment-15646410
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Anoop Sam John commented on HBASE-17043:
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Am not seeing code. But the select() logic is that complex to take more time? I
agree on the #files being more. Still ..
> parallelize select() work in mob compaction
> -------------------------------------------
>
> Key: HBASE-17043
> URL: https://issues.apache.org/jira/browse/HBASE-17043
> Project: HBase
> Issue Type: Improvement
> Components: mob
> Affects Versions: 2.0.0
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Priority: Minor
>
> Today in
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java#L141,
> the select() is single-threaded. Give a large number of files, it will take
> several seconds to finish the job. Will see how this work can be divided and
> speed up the processing.
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