holdenk commented on issue #27864: [SPARK-20732][CORE] Decommission cache blocks to other executors when an executor is decommissioned URL: https://github.com/apache/spark/pull/27864#issuecomment-604731444 So maybe not in this PR, but rather than kill tasks which have the chance of succeeding what about if cached with replication level 2? The logic might get a bit funky so I think a separate follow up PR there would be better, but this way we get the best of both worlds.
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