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 6b86df2..ce47aa5 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 @@ -313,6 +313,9 @@ class MetricsRegionServerWrapperImpl @Override public long getBlockCacheFailedInsertions() { + if (this.cacheStats == null) { + return 0; + } return this.cacheStats.getFailedInserts(); } @@ -461,7 +464,6 @@ class MetricsRegionServerWrapperImpl synchronized public void run() { try { initBlockCache(); - cacheStats = blockCache.getStats(); HDFSBlocksDistribution hdfsBlocksDistribution = new HDFSBlocksDistribution(); HDFSBlocksDistribution hdfsBlocksDistributionSecondaryRegions =