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https://issues.apache.org/jira/browse/HBASE-12765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14259845#comment-14259845
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Lars Hofhansl commented on HBASE-12765:
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I will start with logs and metric, would be good to get that into 0.98.10. Then
we'll trace that in production and go from there.
> SplitTransaction creates too many threads (potentially)
> -------------------------------------------------------
>
> Key: HBASE-12765
> URL: https://issues.apache.org/jira/browse/HBASE-12765
> Project: HBase
> Issue Type: Brainstorming
> Reporter: Lars Hofhansl
>
> In splitStoreFiles(...) we create a new thread pool with as many threads as
> there are files to split.
> We should be able to do better. During times of very heavy write loads there
> might be a lot of files to split and multiple splits might be going on at the
> same time on the same region server.
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