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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14936) CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod()
Date Mon, 14 Dec 2015 10:06:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15055739#comment-15055739
] 

Hadoop QA commented on HBASE-14936:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12777439/HBASE-14936-trunk-v2.patch
  against master branch at commit 04622254f7209c5cfeadcfa137a97fbed161075a.
  ATTACHMENT ID: 12777439

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
tests.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16852//console

This message is automatically generated.

> CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod()
> ------------------------------------------------------------------
>
>                 Key: HBASE-14936
>                 URL: https://issues.apache.org/jira/browse/HBASE-14936
>             Project: HBase
>          Issue Type: Bug
>          Components: BlockCache
>    Affects Versions: 1.1.2
>            Reporter: Jianwei Cui
>            Assignee: Jianwei Cui
>             Fix For: 2.0.0, 1.2, 1.1, 1.3
>
>         Attachments: HBASE-14936-trunk-v1.patch, HBASE-14936-trunk-v2.patch, HBASE-14936-trunk.patch
>
>
> It seems CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod() as
> {code}
> public void rollMetricsPeriod() {
>   lruCacheStats.rollMetricsPeriod();
>   bucketCacheStats.rollMetricsPeriod();
> }
> {code}
> otherwise, CombinedBlockCache.getHitRatioPastNPeriods() and CombinedBlockCache.getHitCachingRatioPastNPeriods()
will always return 0.



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