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https://issues.apache.org/jira/browse/HADOOP-1545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514302
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Arun C Murthy commented on HADOOP-1545:
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Hairong, after the investigations we have done into this and lack of closure on
causes for this particular job's failure do you think it makes sense to move
this bug to 0.15 and hence mark it as a non-blocker for now? Thanks!
> Maps hang when using native compression library to compress map out
> -------------------------------------------------------------------
>
> Key: HADOOP-1545
> URL: https://issues.apache.org/jira/browse/HADOOP-1545
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.13.0
> Reporter: Hairong Kuang
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.14.0
>
>
> This issue is related to HADOOP-1193. I ran the same job. Each map of this
> job spawns a process which generates output to be cosumed by the map. The new
> native compression librar seems to hang some of the spawned processes. Some
> processes print using more than 100% CPU. Non-native library does not produce
> this problem.
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