[SPARK-7874][MESOS] Don’t allocate more than spark.cores.max in fine-grained mode.#8671
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[SPARK-7874][MESOS] Don’t allocate more than spark.cores.max in fine-grained mode.#8671dragos wants to merge 1 commit into
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Test build #42206 has finished for PR 8671 at commit
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Test build #42207 has finished for PR 8671 at commit
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/cc @tnachen @andrewor14 |
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@tnachen @andrewor14 would you have some time to have a look at this one? |
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Will availableCores becomes negative and just starts adding actual Cores?
I think it's probably safer to check if availableCores < Cores then we just return None.
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Ok, I'll refactor this condition.
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Currently only coarse-grained mode observes
spark.cores.max. The fine-grained mode should follow the same limit, and not go above the defined maximum cores.There's some duplication of logic between the coarse-grained and fine-grained mode. I created SPARK-10444 to fix that.