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https://issues.apache.org/jira/browse/YARN-10257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17099767#comment-17099767
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Peter Bacsko commented on YARN-10257:
-------------------------------------
[~adam.antal]
1. "Do you plan to do something with regards to the first item from the
description? (I mean the increment-allocation properties)."
Well, those properties are not needed during the conversion - so I simply
removed all references to them (the original FS-CS document made me believe
that those are necessary to convert, but in fact, they're not).
2. system-rules artifact --> thanks, it looks like a better solution, I
switched to this.
> FS-CS converter: skip increment properties for mem/vcores and fix DRF check
> ---------------------------------------------------------------------------
>
> Key: YARN-10257
> URL: https://issues.apache.org/jira/browse/YARN-10257
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
> Attachments: YARN-10257-001.patch, YARN-10257-002.patch
>
>
> Two issues have been discovered during fs2cs testing:
> 1. The conversion of allocation increment properties are not needed:
> {{yarn.scheduler.increment-allocation-mb}}
> {{yarn.scheduler.increment-allocation-vcores}}
> {{yarn.resource-types.memory-mb.increment-allocation}}
> {{yarn.resource-types.vcores.increment-allocation}}
> 2. The following piece of code is incorrect - the default scheduling policy
> can be different from DRF, which is a problem if DRF is used everywhere else:
> {code}
> private boolean isDrfUsed(FairScheduler fs) {
> FSQueue rootQueue = fs.getQueueManager().getRootQueue();
> AllocationConfiguration allocConf = fs.getAllocationConfiguration();
> String defaultPolicy = allocConf.getDefaultSchedulingPolicy().getName();
> if (DominantResourceFairnessPolicy.NAME.equals(defaultPolicy)) {
> return true;
> } else {
> return isDrfUsedOnQueueLevel(rootQueue);
> }
> }
> {code}
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