[GitHub] [incubator-dolphinscheduler] Technoboy- commented on issue #1658: Refactor WorkerServer

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Technoboy- commented on issue #1658: Refactor WorkerServer
URL: https://github.com/apache/incubator-dolphinscheduler/issues/1658#issuecomment-570015600
 
 
   > zookeeper
   
   I said : WorkerServer starts up listening a port and registers itself to zk. So when MasterServer schedules a task , it can get the worker list .  But when MasterServer sends out a timeout with 5s task, and WorkerServer crashes after giving back acknowledge. In this case, we have to ping the workerServer after 5s, not relies on zk.
   Let talk about ping :   Ping is a type msg with empty body in self defined binary protocol in most Rpc framework . Not ping command in OS system.

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