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MAPREDUCE-6354. ShuffleHandler should be able to log shuffle connections. Contributed by Chang Li

This commit is contained in:
Jason Lowe 2015-06-05 22:38:31 +00:00
parent 3841d09765
commit b3ffa87003
3 changed files with 29 additions and 10 deletions
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5
hadoop-common-project/hadoop-common/src/main/conf/log4j.properties
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@ -203,6 +203,11 @@ log4j.appender.JSA.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{2}: %m%n
log4j.logger.org.apache.hadoop.mapred.JobInProgress$JobSummary=${hadoop.mapreduce.jobsummary.logger}
log4j.additivity.org.apache.hadoop.mapred.JobInProgress$JobSummary=false
#
# shuffle connection log from shuffleHandler
# Uncomment the following line to enable logging of shuffle connections
# log4j.logger.org.apache.hadoop.mapred.ShuffleHandler.audit=DEBUG
#
# Yarn ResourceManager Application Summary Log
#

3
hadoop-mapreduce-project/CHANGES.txt
View File

@ -340,6 +340,9 @@ Release 2.8.0 - UNRELEASED
MAPREDUCE-6383. Pi job (QuasiMonteCarlo) should not try to read the
results file if its job fails. (Harsh J via devaraj)
MAPREDUCE-6354. ShuffleHandler should be able to log shuffle connections
(Chang Li via jlowe)
OPTIMIZATIONS
BUG FIXES

15
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
View File

@ -136,7 +136,8 @@ import com.google.protobuf.ByteString;
public class ShuffleHandler extends AuxiliaryService {
private static final Log LOG = LogFactory.getLog(ShuffleHandler.class);
private static final Log AUDITLOG =
LogFactory.getLog(ShuffleHandler.class.getName()+".audit");
public static final String SHUFFLE_MANAGE_OS_CACHE = "mapreduce.shuffle.manage.os.cache";
public static final boolean DEFAULT_SHUFFLE_MANAGE_OS_CACHE = true;
@ -751,6 +752,14 @@ public class ShuffleHandler extends AuxiliaryService {
sendError(ctx, "Too many job/reduce parameters", BAD_REQUEST);
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) +
" reducer " + reduceQ.get(0));
}
int reduceId;
String jobId;
try {
@ -897,7 +906,9 @@ public class ShuffleHandler extends AuxiliaryService {
protected void setResponseHeaders(HttpResponse response,
boolean keepAliveParam, long contentLength) {
if (!connectionKeepAliveEnabled && !keepAliveParam) {
LOG.info("Setting connection close header...");
if (LOG.isDebugEnabled()) {
LOG.debug("Setting connection close header...");
}
response.setHeader(HttpHeaders.CONNECTION, CONNECTION_CLOSE);
} else {
response.setHeader(HttpHeaders.CONTENT_LENGTH,