Meng Zhu created MESOS-9608:
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Summary: Refactor and Improve `class ResourceQuantity`.
Key: MESOS-9608
URL: https://issues.apache.org/jira/browse/MESOS-9608
Project: Mesos
Issue Type: Improvement
Reporter: Meng Zhu
Currently, the `ResourceQuantity` only provides a minimal map interface with no
built-in arithmetic and contains operations. This makes it unwieldy.
The intention was to avoid the ambiguities between "absent-means-zero"
(guarantee like semantic) and "absent-means-infinite" (limits like semantic).
Instead of only providing a minimal interface and leave the rest to the caller,
we should provide two classes for each semantic:
- "ResourceQuantities" will have "absent-means-zero" semantic
- "ResourceLimits" will have "absent-means-infinite" semantic
We can have both classes derived from the current class (rename to
"ResourceMap") to save some common logic.
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