[GitHub] [spark] beliefer commented on a change in pull request #26282: [SPARK-29619] Add meaningful log and retry for start python worker process

[GitBox <gi...@apache.org>]

beliefer commented on a change in pull request #26282: [SPARK-29619] Add meaningful log and retry for start python worker process
URL: https://github.com/apache/spark/pull/26282#discussion_r339865565
 
 

 ##########
 File path: core/src/main/scala/org/apache/spark/api/python/PythonWorkerFactory.scala
 ##########
 @@ -206,15 +206,28 @@ private[spark] class PythonWorkerFactory(pythonExec: String, envVars: Map[String
         workerEnv.put("PYTHON_WORKER_FACTORY_SECRET", authHelper.secret)
         // This is equivalent to setting the -u flag; we use it because ipython doesn't support -u:
         workerEnv.put("PYTHONUNBUFFERED", "YES")
-        daemon = pb.start()
-
-        val in = new DataInputStream(daemon.getInputStream)
-        try {
-          daemonPort = in.readInt()
-        } catch {
-          case _: EOFException =>
-            throw new SparkException(s"No port number in $daemonModule's stdout")
 
 Review comment:
   Adding a retry sometimes makes the task successful.

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