MAPREDUCE-6808. Log map attempts as part of shuffle handler audit log 
(Contributed by Gergő Pásztor via Daniel Templeton)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a7463b6c
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a7463b6c
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a7463b6c

Branch: refs/heads/YARN-5734
Commit: a7463b6c88f698950a2f326030261001aa51b35e
Parents: 9e19f75
Author: Daniel Templeton <templ...@apache.org>
Authored: Wed Jan 25 14:30:50 2017 -0800
Committer: Daniel Templeton <templ...@apache.org>
Committed: Wed Jan 25 14:32:40 2017 -0800

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 .../src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7463b6c/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
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diff --git 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
index 9547062..15a1b89 100644
--- 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
+++ 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
@@ -947,7 +947,7 @@ public class ShuffleHandler extends AuxiliaryService {
       // to turn it on please enable this audit log
       // on log4j.properties by uncommenting the setting
       if (AUDITLOG.isDebugEnabled()) {
-        AUDITLOG.debug("shuffle for " + jobQ.get(0) +
+        AUDITLOG.debug("shuffle for " + jobQ.get(0) + " mappers: " + mapIds +
                          " reducer " + reduceQ.get(0));
       }
       int reduceId;


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