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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14624) BucketCache.freeBlock is too expensive
Date Fri, 23 Oct 2015 18:28:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971549#comment-14971549
] 

stack commented on HBASE-14624:
-------------------------------

Any measurement on improvement? How we know this better especially given it is doing: 	  
     b = freeBuckets.iterator().next();

> BucketCache.freeBlock is too expensive
> --------------------------------------
>
>                 Key: HBASE-14624
>                 URL: https://issues.apache.org/jira/browse/HBASE-14624
>             Project: HBase
>          Issue Type: Bug
>          Components: BlockCache
>    Affects Versions: 1.0.0
>            Reporter: Randy Fox
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.0.3, 1.1.3, 0.98.16
>
>         Attachments: 14624-v1.txt, 14624-v2.txt
>
>
> Moving regions is unacceptably slow when using bucket cache, as it takes too long to
free all the blocks.



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