Zhankun Tang commented on YARN-10302:

[~billgraham], thanks for the contribution. Could you please generate a patch 
"git diff trunk...HEAD > YARN-10302-trunk.001.patch", upload it and click 
"submitPatch" to trigger the CI?

> Support custom packing algorithm for FairScheduler
> --------------------------------------------------
>                 Key: YARN-10302
>                 URL: https://issues.apache.org/jira/browse/YARN-10302
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: William W. Graham Jr
>            Priority: Major
> The {{FairScheduler}} class allocates containers to nodes based on the node 
> with the most available memory[0]. Create the ability to instead configure a 
> custom packing algorithm with different logic. For instance for effective 
> auto scaling, a bin packing algorithm might be a better choice.
> 0 - 
> https://github.com/apache/hadoop/blob/56b7571131b0af03b32bf1c5673c32634652df21/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java#L1034-L1043

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