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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 17:20:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355504#comment-15355504
] 

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

FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #1233 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/1233/])
HBASE-15976 RegionServerMetricsWrapperRunnable will be failure  when (jingcheng.du: rev e13054298351d53529649bfdeb5f3b4724bad4d8)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
Revert "HBASE-15976 RegionServerMetricsWrapperRunnable will be failure  (jingcheng.du: rev
be1d92d22759c750975c293e0cbcb92260f39e6d)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
HBASE-15976 RegionServerMetricsWrapperRunnable will be failure  when (jingcheng.du: rev ceda27494b6e01b7668db44dc1280eeda5fb443d)
* 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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