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Posted to mapreduce-dev@hadoop.apache.org by "chenfengge (Jira)" <ji...@apache.org> on 2022/06/21 12:23:00 UTC

[jira] [Created] (MAPREDUCE-7392) bug for GzipCodec in native task

chenfengge created MAPREDUCE-7392:
-------------------------------------

             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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