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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14936) CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod()
Date Mon, 14 Dec 2015 16:24:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056222#comment-15056222
] 

Hudson commented on HBASE-14936:
--------------------------------

FAILURE: Integrated in HBase-1.1-JDK7 #1618 (See [https://builds.apache.org/job/HBase-1.1-JDK7/1618/])
HBASE-14936 CombinedBlockCache should overwrite (chenheng: rev b7b9123e758d1d6b35651212a4d1a14521eb1606)
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CombinedBlockCache.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCombinedBlockCache.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java
HBASE-14936 CombinedBlockCache should overwrite (chenheng: rev d6000a8a611abe016e57e6575092e392c508aeaa)
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CombinedBlockCache.java


> 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, 1.0
>
>         Attachments: HBASE-14936-branch-1.0-1.1.patch, HBASE-14936-branch-1.0-addendum.patch,
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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