Andras Gyori created YARN-10930:
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Summary: Introduce universal capacity resource vector
Key: YARN-10930
URL: https://issues.apache.org/jira/browse/YARN-10930
Project: Hadoop YARN
Issue Type: Sub-task
Components: capacity scheduler
Reporter: Andras Gyori
Assignee: Andras Gyori
The proposal is to introduce a capacity resource vector that is universally
parsed for every queue. CapacityResourceVector is a way to unite the current
capacity modes (weight, percentage, absolute), while maintaining flexibility
and extendability.
CapacityResourceVector is a good fit for the existing capacity configs, for
example:
* percentage mode: root.example.capacity 50 is a syntactic sugar for
[memory=50%, vcores=50%, ....]
* absolute mode: root.example.capacity [memory=1024, vcores=2] is a natural fit
for the vector, there is no need for additional settings
CapacityResourceVector will be used in a future refactor, to unify the resource
calculation and lift the limitation imposed on the queue hierarchy capacity
settings (eg. can not use both absolute resource and percentage in the same
hierarchy etc...)
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