diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java index 56ccf62..35fd1ae 100644 --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java @@ -317,6 +317,9 @@ class MetricsRegionServerWrapperImpl @Override public long getBlockCacheFailedInsertions() { + if (this.cacheStats == null) { + return 0; + } return this.cacheStats.getFailedInserts(); } @@ -505,7 +508,6 @@ class MetricsRegionServerWrapperImpl synchronized public void run() { try { initBlockCache(); - cacheStats = blockCache.getStats(); HDFSBlocksDistribution hdfsBlocksDistribution = new HDFSBlocksDistribution(); HDFSBlocksDistribution hdfsBlocksDistributionSecondaryRegions =