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MAPREDUCE-6958. Shuffle audit logger should log size of shuffle transfer. Contributed by Jason Lowe 

(cherry picked from commit 3a20debdde)
This commit is contained in:
Jason Lowe 2017-09-19 09:13:17 -05:00
parent 1944b0b286
commit 41c2a73c52
1 changed files with 11 additions and 7 deletions
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18
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
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@ -990,13 +990,6 @@ public class ShuffleHandler extends AuxiliaryService {
return;
}
// this audit log is disabled by default,
// 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) + " mappers: " + mapIds +
" reducer " + reduceQ.get(0));
}
int reduceId;
String jobId;
try {
@ -1181,6 +1174,17 @@ public class ShuffleHandler extends AuxiliaryService {
// Now set the response headers.
setResponseHeaders(response, keepAliveParam, contentLength);
// this audit log is disabled by default,
// to turn it on please enable this audit log
// on log4j.properties by uncommenting the setting
if (AUDITLOG.isDebugEnabled()) {
StringBuilder sb = new StringBuilder("shuffle for ");
sb.append(jobId).append(" reducer ").append(reduce);
sb.append(" length ").append(contentLength);
sb.append(" mappers: ").append(mapIds);
AUDITLOG.debug(sb.toString());
}
}
protected void setResponseHeaders(HttpResponse response,