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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15976) RegionServerMetricsWrapperRunnable will be failure when disable blockcache.
Date Wed, 29 Jun 2016 11:48:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355076#comment-15355076
] 

Hudson commented on HBASE-15976:
--------------------------------

SUCCESS: Integrated in HBase-1.2-IT #541 (See [https://builds.apache.org/job/HBase-1.2-IT/541/])
HBASE-15976 RegionServerMetricsWrapperRunnable will be failure when (jingcheng.du: rev 947ea85b0c086a022d7b50868b8499a0560331ad)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java


> RegionServerMetricsWrapperRunnable will be failure  when disable blockcache.
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-15976
>                 URL: https://issues.apache.org/jira/browse/HBASE-15976
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.15, 1.2.1, 1.0.3, 1.1.5
>            Reporter: Liu Junhong
>            Assignee: Jingcheng Du
>             Fix For: 2.0.0, 1.0.4, 1.4.0, 1.2.2, 1.1.6, 1.3.1, 0.98.21
>
>         Attachments: HBASE-15976-0.98-v2.patch, HBASE-15976-0.98.patch, HBASE-15976-branch-1&branch-1.3.patch,
HBASE-15976-branch-1-addendum.patch, HBASE-15976-branch-1.0.patch, HBASE-15976-branch-1.1.patch,
HBASE-15976-branch-1.2-v2.patch, HBASE-15976-branch-1.2.patch, HBASE-15976-branch-1.3-v2.patch,
HBASE-15976-master-addendum.patch, HBASE-15976-master.patch
>
>
> When i disable blockcache, the code "cacheStats = blockCache.getStats();" will occur
NPE in org.apache.hadoop.hbase.regionserver.MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.
> It lead to many regionserver's metrics' value always equal 0.



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