Hadoop Streaming (StreamJob) does not delete temporary job/package jar
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Key: HADOOP-7263
URL: https://issues.apache.org/jira/browse/HADOOP-7263
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 0.21.0, 0.20.2, 0.20.3, 0.20.4
Reporter: Greg Wittel
Priority: Minor
The streaming job driver (org.apache.hadoop.streaming.StreamJob) does not
delete the temporary JAR file it generates after a job completes. Without the
fix, /var/tmp fills up with streaming job jars until they get wiped.
The jar name is stored in the class variable 'jar_'. The JAR is generated in
'packageJobJar()' and the name stored in jar_.
Fix: run()/submitAndMonitorJob() should clean up the jar_ file when done. Or
the JAR could be generatd as a tempfile and cleaned up automatically.
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