HBASE-20665: Changed log level of HBASE-8547 warning to debug

Closes #77

Signed-off-by: Josh Elser <[email protected]>
Signed-off-by: Sean Busbey <[email protected]>


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/271d93dc
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/271d93dc
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/271d93dc

Branch: refs/heads/branch-2
Commit: 271d93dc73747ee3e6c65bdfc2692417bace311c
Parents: 42ca976
Author: eric-maynard <[email protected]>
Authored: Wed Jun 6 11:09:03 2018 -0400
Committer: Josh Elser <[email protected]>
Committed: Thu Jun 7 11:34:52 2018 -0400

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 .../main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hbase/blob/271d93dc/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
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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 c2e5598..8b8bd88 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;
       }
     }

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