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

[Ted Yu (JIRA)]

     [ 
https://issues.apache.org/jira/browse/HBASE-16157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ted Yu updated HBASE-16157:
---------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 1.4.0
                   2.0.0
           Status: Resolved  (was: Patch Available)

Thanks for the patch, ChiaPing.

Thanks for the reviews.

> The incorrect block cache count and size are caused by removing duplicate 
> block key in the LruBlockCache
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-16157
>                 URL: https://issues.apache.org/jira/browse/HBASE-16157
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>            Priority: Trivial
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-16157-v1.patch, HBASE-16157-v2.patch, 
> HBASE-16157-v3.patch, HBASE-16157-v4.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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