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https://issues.apache.org/jira/browse/TEZ-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511723#comment-14511723
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Chang Li edited comment on TEZ-2226 at 4/24/15 9:04 PM:
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[~hitesh] Thanks for valuable review and feedback! I also feel that I had abuse 
using timeline_enabled. I have created a new config setting to ensure all dags 
within that session will have dag logging turned off. Have also corrected other 
places you point out. Did manually run jobs and verified that logging is turned 
on and off as expected. As for the recovery issue, I pass the 
TEZ_DAG_HISTORY_LOGGING flag from client to am as part of dagplan. Even if am 
crashes and then restarts, I believe if DAGAppMaster called startDAG with the 
same dagplan it can still see the flag and function correctly.


was (Author: lichangleo):
[~hitesh] Thanks for valuable review and feedback! I also feel that I had abuse 
using timeline_enabled. I have created a new config setting to ensure all dags 
within that session will have dag logging turned off. Have also corrected other 
places you point out. Did manually run jobs and verified that logging is turned 
on and off as expected. As for the recovery issue, I pass the 
TEZ_DAG_HISTORY_LOGGING flag from client to am as part of dagplan, even though 
am crashes and then restarts, I believe if DAGAppMaster called startDAG with 
the same dagplan it can still see the flag and function correctly.

> Disable writing history to timeline if domain creation fails.
> -------------------------------------------------------------
>
>                 Key: TEZ-2226
>                 URL: https://issues.apache.org/jira/browse/TEZ-2226
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Hitesh Shah
>            Assignee: Chang Li
>            Priority: Blocker
>         Attachments: TEZ-2226.10.patch, TEZ-2226.2.patch, TEZ-2226.3.patch, 
> TEZ-2226.4.patch, TEZ-2226.5.patch, TEZ-2226.6.patch, TEZ-2226.7.patch, 
> TEZ-2226.8.patch, TEZ-2226.9.patch, TEZ-2226.patch, TEZ-2226.wip.2.patch, 
> TEZ-2226.wip.patch
>
>




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