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https://issues.apache.org/jira/browse/YARN-7732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336437#comment-16336437
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Young Chen commented on YARN-7732:
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Oh I see. Here's a quick rundown of the patch changes:
* Added support for a new syn.json format (See syn_generic.json), while
maintaining backwards compatibility with the old format. (The new format lets
us specify amsimulator type via job_class#type). In the new format, job
parameters are described via a "Sample" class in SynthTraceJobProducer that
describes a distribution.
* Added a simple StreamAMSimulator that uses the generic amsimulator format
* Moved the reservation creation responsibility to AMSimulator#initReservation
as the reservation shape is specific to each AM implementation/instance.
Let me know if anything is unclear, and I'm happy to take
improvements/suggestions.
> Support Pluggable AM Simulator
> ------------------------------
>
> Key: YARN-7732
> URL: https://issues.apache.org/jira/browse/YARN-7732
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Young Chen
> Assignee: Young Chen
> Priority: Minor
> Attachments: YARN-7732.01.patch, YARN-7732.02.patch,
> YARN-7732.03.patch
>
>
> Extract the MapReduce specific set-up in the SLSRunner into the
> MRAMSimulator, and enable support for pluggable AMSimulators
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