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https://issues.apache.org/jira/browse/HBASE-24436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17119183#comment-17119183
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Guanghao Zhang commented on HBASE-24436:
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{quote}How long open or close only one storefile take?
{quote}
And how much slower open a store which has 20 storefiles VS open a store which
has 1 storefile? Give some metric or data to show the benefit of this
improvement?
> The store file open and close thread pool should be shared at the region level
> ------------------------------------------------------------------------------
>
> Key: HBASE-24436
> URL: https://issues.apache.org/jira/browse/HBASE-24436
> Project: HBase
> Issue Type: Improvement
> Reporter: Junhong Xu
> Assignee: Junhong Xu
> Priority: Minor
>
> For now, we provide threads per column family evenly in general, but there
> are some cases that some column families have much more store files than
> others( maybe that's the life, right? ). So in that case, some Stores have
> beed done quickly while others are struggling.We should share the thread pool
> at the region level in case of data skew.
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