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From "Liu Junhong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15976) RegionServerMetricsWrapperRunnable will be failure when disable blockcache.
Date Tue, 07 Jun 2016 03:15:21 GMT
Liu Junhong created HBASE-15976:
-----------------------------------

             Summary: 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


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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