Pre-emption Based On Adjusted Fair Share #3714
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June 17, 2024 17:46
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Jun 20, 2024
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June 21, 2024 14:27
Signed-off-by: Chris Martin <chris@cmartinit.co.uk>
Signed-off-by: Chris Martin <chris@cmartinit.co.uk>
Signed-off-by: Chris Martin <chris@cmartinit.co.uk>
Signed-off-by: Chris Martin <chris@cmartinit.co.uk>
d80tb7
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Signed-off-by: Chris Martin <chris@cmartinit.co.uk>
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Introduces the concept of
adjustedFairSharewhich is calculated as follows:demandas total resources of all active jobs for a queuecappedFairSharefor a queue asdemand`totalClusterResources`excessShareasfairShare - cappedFairShareexcessShare > 0,adjustedFairShare = cappedFairShareexcessShareWhen choosing what queues are eligable for preemption,the default is now to use
adjustedFairSharerather thanfairShare. This behaviour can be controlled by a newuseAdjustedFairShareProtectionflag