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Similar is defined by the values of the following attributes and resources:. If two jobs have equal values of all the attributes and resources in use, they are in the same equivalence class. An attribute or resource is used based on the situation described.
euser: If there are any user limits(soft or hard)
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How equivalence classes work:
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- The scheduler starts considering jobs in sorted order
- When a job can't run, we mark the equivalence class as can't run. We stash the reason the job can't run.
- In the future when we consider a job from this class, we already know it can't run. We use the stashed reason.
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