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https://issues.apache.org/jira/browse/YARN-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405142#comment-15405142
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Konstantinos Karanasos commented on YARN-5468:
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Thanks for the comment, [~cheersyang]. Yes, I have read YARN-4902.
It is definitely related, but in this JIRA we are focusing in particular on the
scheduling of long running jobs/services.
In that sense, YARN-4902 is more general. On the other hand, unlike YARN-4902,
we will be providing the option of service planning, that is, we will be able
to look at multiple services at once and plan their execution in a more
holistic manner than the scheduler can do (given that the scheduler looks at
one resource request at a time). This can be seen as related to the planning
phase of YARN-1051.
> Scheduling of long-running applications
> ---------------------------------------
>
> Key: YARN-5468
> URL: https://issues.apache.org/jira/browse/YARN-5468
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: capacityscheduler, fairscheduler
> Reporter: Konstantinos Karanasos
> Assignee: Konstantinos Karanasos
> Attachments: YARN-5468.prototype.patch
>
>
> This JIRA is about the scheduling of applications with long-running tasks.
> It will include adding support to the YARN for a richer set of scheduling
> constraints (such as affinity, anti-affinity, cardinality and time
> constraints), and extending the schedulers to take them into account during
> placement of containers to nodes.
> We plan to have both an online version that will accommodate such requests as
> they arrive, as well as a Long-running Application Planner that will make
> more global decisions by considering multiple applications at once.
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