Zoltan Siegl created YARN-9936:
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Summary: Support vector of capacity percentages in Capacity
Scheduler configuration
Key: YARN-9936
URL: https://issues.apache.org/jira/browse/YARN-9936
Project: Hadoop YARN
Issue Type: Improvement
Components: capacity scheduler
Reporter: Zoltan Siegl
Assignee: Zoltan Siegl
Currently, the Capacity Scheduler queue configuration supports two ways to set
queue capacity.
* In percentage of all available resources as a float ( eg. 25.0 ) means 25%
of the resources of its parent queue for all resource types equally (eg. 25% of
all memory, 25% of all CPU cores, and 25% of all available GPU in the cluster)
The percentages of all queues has to add up to 100%.
* In an absolute amount of resources ( e.g. memory=4GB,vcores=20,yarn.io/gpu=4
). The amount of all resources in the queues has to be less than or equal to
all resources in the cluster.
Apart from these two already existing ways, there is a demand to add capacity
percentage of each available resource type separately. (eg.
{{memory=20%,vcores=40%,yarn.io/gpu=100%}}).
At the same time, a similar concept should be included with queues
maximum-capacity as well.
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