YARN-5096 addendum. Turned another logging statement to debug. Contributed by 
Sangjin Lee.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/4a7011a4
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/4a7011a4
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/4a7011a4

Branch: refs/heads/trunk
Commit: 4a7011a45f5ede25d0e07ee3bde60d1b41ec24e9
Parents: bcdb382
Author: Sangjin Lee <[email protected]>
Authored: Thu May 19 15:40:15 2016 -0700
Committer: Sangjin Lee <[email protected]>
Committed: Sun Jul 10 08:45:59 2016 -0700

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 .../yarn/server/timelineservice/storage/common/ColumnHelper.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/4a7011a4/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
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diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
index dff677b..759bf27 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
@@ -258,7 +258,9 @@ public class ColumnHelper<T> {
 
           String columnName = null;
           if (columnPrefixBytes == null) {
-            LOG.info("null prefix was specified; returning all columns");
+            if (LOG.isDebugEnabled()) {
+              LOG.debug("null prefix was specified; returning all columns");
+            }
             // Decode the spaces we encoded in the column name.
             columnName = Separator.decode(columnKey, Separator.SPACE);
           } else {


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