rxin commented on issue #24208: [SPARK-27272][CORE] Enable blacklisting of node/executor on fetch failures by default URL: https://github.com/apache/spark/pull/24208#issuecomment-541984744 Sorry didn't get to this earlier. Do we ever release a node from blacklist? I'm asking because it'd be bad if a transient network error immediately blacklists all the nodes. It'd make sense if it blacklists after a few fetch failures, or if the blacklist is automatically released after a while.
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