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