jiangxb1987 commented on issue #27943: [SPARK-31179] Fast fail the connection while last connection failed in the last retry IO wait URL: https://github.com/apache/spark/pull/27943#issuecomment-601025341 IIUC throw an IOException here would eventually lead to task failure with FetchFailedException? If that's really the case then I would be really conservative here and wait instead of fail fast.
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