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https://issues.apache.org/jira/browse/HBASE-14624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969419#comment-14969419
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Randy Fox commented on HBASE-14624:
-----------------------------------

The region that took 3 minutes to close was 1.4G compressed.
The evict blocks on close was not working 
(https://issues.apache.org/jira/browse/HBASE-14663).  The patch for it seems to 
solve the problem.
I can give the above change a try.


> BucketCache.freeBlock is too expensive
> --------------------------------------
>
>                 Key: HBASE-14624
>                 URL: https://issues.apache.org/jira/browse/HBASE-14624
>             Project: HBase
>          Issue Type: Improvement
>          Components: BlockCache
>    Affects Versions: 1.0.0
>            Reporter: Randy Fox
>         Attachments: 14624-v1.txt
>
>
> Moving regions is unacceptably slow when using bucket cache, as it takes too 
> long to free all the blocks.



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