Aihua Xu created YARN-9200:
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Summary: Enable resource configuration of queue capacity for
different resources independently
Key: YARN-9200
URL: https://issues.apache.org/jira/browse/YARN-9200
Project: Hadoop YARN
Issue Type: Improvement
Components: capacity scheduler
Affects Versions: 3.1.0
Reporter: Aihua Xu
In capacity scheduler, currently two resource allocations are supported. 1.
percentage allocation for child queues - the child queue gets a defined
percentage of the resources for all the resource types; 2. absolute values
(YARN-5881) - each resource is configured an absolute values.
Right now we can't mix these case together and it would also very confusing to
mix them in one cluster. The second case actually is more targeting toward
cloud env.
In a non-cloud env, the ability to configure each resource independently is
also useful, but in such env, percentage is preferable instead of absolute
value. One thought here is to add the percentage configuration for each
resource type on the queue. That would allow us to configure memory bounded
queues, or CPU bounded queues.
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