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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2015/05/01 06:21:06 UTC

[jira] [Commented] (TEZ-2397) Translation of LocalResources via Tez plan serialization can be lossy

    [ https://issues.apache.org/jira/browse/TEZ-2397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522746#comment-14522746 ] 

Bikas Saha commented on TEZ-2397:
---------------------------------

Good catch! +1 for the patch. 

0.5.4 should wait for this. /cc [~hitesh] 0.6.1 should wait for this /cc [~jeagles]


> Translation of LocalResources via Tez plan serialization can be lossy
> ---------------------------------------------------------------------
>
>                 Key: TEZ-2397
>                 URL: https://issues.apache.org/jira/browse/TEZ-2397
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>            Priority: Critical
>         Attachments: TEZ-2397.1.txt
>
>
> Happens when there's no port information. The way we serialize a YarnURL into a string causes the reconstructed path to include the port as -1, which is an invalid URL. Path/URL reconstruction from this causes the hostname to be lost.
> This is problematic on clusters running HDFA HA - since there's no host:port information, only a service name. I'd imaging it'll be a problem for viewfs as well.



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