Liu Junhong created HBASE-15976:
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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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