You are viewing a plain text version of this content. The canonical link for it is here.

Posted to mapreduce-issues@hadoop.apache.org by "Xuan Gong (JIRA)" <ji...@apache.org> on 2013/10/01 04:22:24 UTC

[jira] [Updated] (MAPREDUCE-5533) Speculative execution does not function for reduce

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xuan Gong updated MAPREDUCE-5533:
---------------------------------

    Attachment: MAPREDUCE-5533.5.patch

Add testcases to test the logic

> Speculative execution does not function for reduce
> --------------------------------------------------
>
>                 Key: MAPREDUCE-5533
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5533
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>            Reporter: Tassapol Athiapinya
>            Assignee: Xuan Gong
>         Attachments: MAPREDUCE-5533.1.patch, MAPREDUCE-5533.2.patch, MAPREDUCE-5533.3.patch, MAPREDUCE-5533.4.patch, MAPREDUCE-5533.5.patch
>
>
> We have sort job where reduce attempt does not send heartbeat in timely manner to application master. The AM should kick off another attempt to let job succeeds. What we find is the job fails and there is no speculation happening.



--
This message was sent by Atlassian JIRA
(v6.1#6144)