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Posted to issues@hbase.apache.org by "Ashish Singhi (JIRA)" <ji...@apache.org> on 2016/06/07 07:21:21 UTC
[jira] [Commented] (HBASE-15976) RegionServerMetricsWrapperRunnable
will be failure when disable blockcache.
[ https://issues.apache.org/jira/browse/HBASE-15976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15318023#comment-15318023 ]
Ashish Singhi commented on HBASE-15976:
---------------------------------------
+1
> 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
> Reporter: Liu Junhong
> Assignee: Jingcheng Du
> Attachments: HBASE-15976-0.98.patch, HBASE-15976-branch-1&branch-1.3.patch, HBASE-15976-branch-1.0.patch, HBASE-15976-branch-1.1.patch, HBASE-15976-branch-1.2.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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