turboFei edited a comment 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-600431305 Thanks for the reply. We met this issue when ESS(node manager) was busy for full gc, and the task cost long times(connectionTimeout*maxRetry*(number of requests to the same ESS)) and then became fetch failed. We expect the task could fast fail instead of wasting too much times to wait the lock of client.
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