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https://issues.apache.org/jira/browse/TEZ-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106121#comment-14106121
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Jeff Zhang commented on TEZ-1476:
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Meet the same issue. And I remember the behavior is different from tez-0.4
where status will be logged every some period even no task is completed.
> DAGClient waitForCompletion output is confusing
> -----------------------------------------------
>
> Key: TEZ-1476
> URL: https://issues.apache.org/jira/browse/TEZ-1476
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Siddharth Seth
> Assignee: Jonathan Eagles
> Priority: Critical
>
> When a DAG is submitted - "2014-08-21 16:38:06,153 INFO [main]
> rpc.DAGClientRPCImpl (DAGClientRPCImpl.java:log(428)) - Waiting for DAG to
> start running" is logged.
> After this, nothing seems to get logged till the first task completes.
> It would be useful to log when the state changes to RUNNING - as well as at
> least one line stating the number of tasks, etc (0% progress line). Also,
> progress could be logged every few seconds irrespective of whether it has
> changed or not to give the impression that the job has not just gotten stuck.
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