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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/02 05:56:16 UTC
[GitHub] [spark] bmarcott commented on issue #27207:
[WIP][SPARK-18886][CORE] Make Locality wait time measure resource under
utilization due to delay scheduling.
bmarcott commented on issue #27207: [WIP][SPARK-18886][CORE] Make Locality wait time measure resource under utilization due to delay scheduling.
URL: https://github.com/apache/spark/pull/27207#issuecomment-581102206
@tgravescs
I updated with the new config to switch to legacy behavior as well as some doc/variable renaming.
After reading more through `SchedulerBackend` impls:
1. decided to assume resource offers are full resource by default, to match previous behavior for any `SchedulerBackend`s not touched in this PR.
2. I only found `MesosFineGrainedSchedulerBackend` which doesn't use `CoarseGrainedSchedulerBackend` and decided not to touch it since it is deprecated and from the design looks like "all free resources" can't be tracked.
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