[jira] Closed: (NUTCH-675) Reduce tasks do not report their status and are killed by jobtracker

["Doğacan Güney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NUTCH-675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doğacan Güney closed NUTCH-675.
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> Reduce tasks do not report their status and are killed by jobtracker
> --------------------------------------------------------------------
>
>                 Key: NUTCH-675
>                 URL: https://issues.apache.org/jira/browse/NUTCH-675
>             Project: Nutch
>          Issue Type: Bug
>          Components: fetcher
>    Affects Versions: 0.9.0
>         Environment: OS : Linux
>            Reporter: sha feng
>             Fix For: 0.9.0
>
>
> We choose Fetcher2 as our fetcher. Map tasks of Fetcher2 fetches about 2,000,000 urls, but at reduce stage, all reduce tasks can not report their status and be killed by jobtracker. Although we change mapred.task.timeout from 60,000 to 1,800,000, it does not work. So, who can tell us why? By the way, the version of Nutch we use is 0.9 and the version of Hadoop is 0.12. 
> Thanks for your help!

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