[hbase] branch branch-1.4 updated: HBASE-23585 MetricsRegionServerWrapperImpl.getL1CacheHitCount always returns 200 (#945)

[stack]

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The following commit(s) were added to refs/heads/branch-1.4 by this push:
     new 3a4f389  HBASE-23585 MetricsRegionServerWrapperImpl.getL1CacheHitCount 
always returns 200 (#945)
3a4f389 is described below

commit 3a4f389897278ec8999b105a3e8a63e3bf91b570
Author: Baiqiang Zhao <zbq.d...@gmail.com>
AuthorDate: Fri Jan 3 23:04:57 2020 +0800

    HBASE-23585 MetricsRegionServerWrapperImpl.getL1CacheHitCount always 
returns 200 (#945)
    
    Signed-off-by: Jan Hentschel <j...@apache.org>
    Signed-off-by: stack <st...@apache.org>
---
 .../hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java    | 5 ++++-
 1 file changed, 4 insertions(+), 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 cb2e2d7..6bc5807 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
@@ -338,7 +338,10 @@ class MetricsRegionServerWrapperImpl
 
   @Override
   public long getL1CacheHitCount() {
-    return 200;
+    if (this.l1Stats == null) {
+      return 0;
+    }
+    return this.l1Stats.getHitCount();
   }
 
   @Override