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Posted to issues@tez.apache.org by "Hitesh Shah (JIRA)" <ji...@apache.org> on 2015/04/28 04:42:06 UTC

[jira] [Comment Edited] (TEZ-2375) Don't return dag status to client when dag is still in recovering

    [ https://issues.apache.org/jira/browse/TEZ-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516222#comment-14516222 ] 

Hitesh Shah edited comment on TEZ-2375 at 4/28/15 2:41 AM:
-----------------------------------------------------------

A different approach is to send back a recovering status back to the client and the client should be changed to cache the last seen valid progress. Using this, the user will never see a regression in progress unless recovery fails or all tasks are not recovered from previous attempt.  


was (Author: hitesh):
A different approach is to send back a recovering status back to the client and the client should be changed to cache the last seen valid progress. Using this, the user will never see a regression in progress unless recovery fails.  

> Don't return dag status to client when dag is still in recovering 
> ------------------------------------------------------------------
>
>                 Key: TEZ-2375
>                 URL: https://issues.apache.org/jira/browse/TEZ-2375
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>
> Should only return dag status to client after the whole recovery process is done (DAG/Vertex/Task/TaskAttempt are all recovered to its correct state)



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