wenxuanguan commented on issue #26504: [SPARK-29879][CORE]Support unbounded waiting for RPC reply URL: https://github.com/apache/spark/pull/26504#issuecomment-553701006 @jiangxb1987 Thanks for your reply. > Do you really have a training job that runs over a year? No, but what I try to do is a way to not set a specific timeout value with `RpcEndpointRef.askSync()`, in the situation where never timeout until replied or interrupted by other event. Such as `BarrierTaskContext.barrier()` set a long timeout value which would not be reached, and a `SparkException` will be thrown by `BarrierCoordinator` on timeout.
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