khadgarmage commented on issue #1658: Refactor WorkerServer URL: https://github.com/apache/incubator-dolphinscheduler/issues/1658#issuecomment-569948575 > > If the WorkerServer died after receiving a task, MasterServer will use execution-timeout time to ping WorkerServer to detect liveness. If ping failed, try another worker node. In this case, task may execute more than once. > > I have a question about this, why not use zookeeper to monitor whether the worker alive or not ? ping method seems old why not use zookeeper to monitor whether the worker alive or not ? +1
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