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https://issues.apache.org/jira/browse/YARN-6059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15868890#comment-15868890
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Konstantinos Karanasos commented on YARN-6059:
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Just checked the updated patch, [~hrsharma].
Some comments:
* The paused container has to go past the {{scheduleContainer()}} method of
{{ContainerScheduler}} to reach your newly-added codepath. For this to happen,
resources have to be available for the container to be scheduled, whereas what
we really want to do is simply kill the recovered paused container. You see
what I mean?
* {{RecoverPausedContainerLaunch}}: by sending the ContainerExitEvent inside
the try statement, in case there is a problem in the commands before, the
ContainerExitEvent will never be sent. So let's move it after the try/catch
statement.
* {{ContainerLaunch}}:
** storeContainerQueued -> storeContainerPaused (LOG.warn message under it
needs fixing too);
** I think you need to add a similar call in the resumeContainer() to put it
back to the running state.
* {{NMLeveldbStateStoreService}}: I don't see why we need the if's in lines
248, 252-254, and 258-260. I think the rcs.status can be nothing but REQUESTED
at this point.
* Fix checkstyle issues.
* Can you run the failing tests locally without your changes and make sure they
are also failing there as well?
Nits:
* {{ContainerImpl}}: let's not introduce the new line (it can cause merge
conflicts on other people)
* {{ContainersLauncher}}: please put the RECOVER_PAUSED_CONTAINER case below
the RECOVER_CONTAINER
> Update paused container state in the state store
> ------------------------------------------------
>
> Key: YARN-6059
> URL: https://issues.apache.org/jira/browse/YARN-6059
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Hitesh Sharma
> Assignee: Hitesh Sharma
> Attachments: YARN-5216-YARN-6059.001.patch,
> YARN-6059-YARN-5972.001.patch, YARN-6059-YARN-5972.002.patch,
> YARN-6059-YARN-5972.003.patch, YARN-6059-YARN-5972.004.patch
>
>
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