From 7a78d871d039c1471f93c4369f9885ad69a09000 Mon Sep 17 00:00:00 2001
From: Jingcheng Du <jingcheng.du@intel.com>
Date: Tue, 28 Jun 2016 13:52:30 +0800
Subject: [PATCH] HBASE-15976 RegionServerMetricsWrapperRunnable will be
 failure  when disable blockcache.

---
 .../hbase/regionserver/MetricsRegionServerWrapperImpl.java       | 1 -
 1 file changed, 1 deletion(-)

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 56ccf62a0d2..7e6d87c4856 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
@@ -505,7 +505,6 @@ class MetricsRegionServerWrapperImpl
     synchronized public void run() {
       try {
         initBlockCache();
-        cacheStats = blockCache.getStats();
 
         HDFSBlocksDistribution hdfsBlocksDistribution = new HDFSBlocksDistribution();
         HDFSBlocksDistribution hdfsBlocksDistributionSecondaryRegions =