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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/10/22 22:33:27 UTC

[jira] [Commented] (HBASE-14677) BucketAllocator freeBlock is the bottleneck in bulk block cache evictions

    [ https://issues.apache.org/jira/browse/HBASE-14677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969846#comment-14969846 ] 

stack commented on HBASE-14677:
-------------------------------

There is still an issue if evictOnClose is true right? we need to look into why ore?


> BucketAllocator freeBlock is the bottleneck in bulk block cache evictions
> -------------------------------------------------------------------------
>
>                 Key: HBASE-14677
>                 URL: https://issues.apache.org/jira/browse/HBASE-14677
>             Project: HBase
>          Issue Type: Bug
>          Components: BlockCache
>    Affects Versions: 1.0.2, 1.1.1, 1.0.1.1, 0.98.15
>            Reporter: Vladimir Rodionov
>
> BucketCache implementation of freeBlock has a bad performance / concurrency and affects bulk block evictions from cache on a file close (after split, compactions or region moves).



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