From 9a809077602f2e339bf484e357ac71bf672bf080 Mon Sep 17 00:00:00 2001
From: eric-maynard <emaynard@cloudera.com>
Date: Wed, 6 Jun 2018 11:09:03 -0400
Subject: [PATCH] HBASE-20665: Changed log level of HBASE-8547 warning to debug

Closes #77

Signed-off-by: Josh Elser <elserj@apache.org>
Signed-off-by: Sean Busbey <busbey@apache.org>
---
 .../java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
index c2e55989f28..8b8bd88a7fa 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
@@ -391,7 +391,7 @@ public class LruBlockCache implements ResizableBlockCache, HeapSize {
       } else {
         String msg = "Cached an already cached block: " + cacheKey + " cb:" + cb.getCacheKey();
         msg += ". This is harmless and can happen in rare cases (see HBASE-8547)";
-        LOG.warn(msg);
+        LOG.debug(msg);
         return;
       }
     }