[jira] [Commented] (HBASE-16157) The incorrect block cache count and size are caused by removing duplicate block key in the HBase LruBlockCache

["ChiaPing Tsai (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358327#comment-15358327 ] 

ChiaPing Tsai commented on HBASE-16157:
---------------------------------------

copy that.

> The incorrect block cache count and size are caused by removing duplicate block key in the HBase LruBlockCache
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-16157
>                 URL: https://issues.apache.org/jira/browse/HBASE-16157
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ChiaPing Tsai
>            Priority: Trivial
>         Attachments: HBASE-16157-v1.patch
>
>
> {code:title=LruBlockCache.java|borderStyle=solid}
> // Check return value from the Map#remove before updating the metrics
>   protected long evictBlock(LruCachedBlock block, boolean evictedByEvictionProcess) {
>     map.remove(block.getCacheKey());
>     updateSizeMetrics(block, true);
> ...
> }
> {code}



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