chenfengge created MAPREDUCE-7392:
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Summary: bug for GzipCodec in native task
Key: MAPREDUCE-7392
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7392
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: nativetask
Reporter: chenfengge
perpare data command:
yarn jar
/usr/local/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.1.1.jar
teragen -D mapreduce.job.maps=722 -D mapreduce.job.reduces=500 11000000000
/testinput
test command:
yarn jar
/usr/local/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.1.1.jar
terasort -Dmapreduce.map.output.compress=true
-Dmapreduce.map.output.compress.codec=org.apache.hadoop.io.compress.GzipCodec
-Dmapreduce.job.map.output.collector.class=org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator
-D mapreduce.job.reduces=500 /testinput /testoutput
test will blocked.
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