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https://issues.apache.org/jira/browse/MAPREDUCE-7392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenfengge updated MAPREDUCE-7392:
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Affects Version/s: 3.1.1
> 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
> Affects Versions: 3.1.1
> Reporter: chenfengge
> Priority: Major
>
> 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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