SuYan created SPARK-13060:
-----------------------------
Summary: CoarsedExecutorBackend register to driver should wait
Executor was ready?
Key: SPARK-13060
URL: https://issues.apache.org/jira/browse/SPARK-13060
Project: Spark
Issue Type: Bug
Reporter: SuYan
Priority: Trivial
Hi Josh
I am spark user, currently I feel confused about executor registration.
{code}
Why CoarsedExecutorBackend register to driver first, and after registerDriver
successful, then initial Executor.
override def receive: PartialFunction[Any, Unit] = {
case RegisteredExecutor(hostname) =>
logInfo("Successfully registered with driver")
executor = new Executor(executorId, hostname, env, userClassPath, isLocal =
false)
{code}
and it is strange that exit(1) while launchTask with executor=null(due to some
errors occurs in Executor initialization).
{code}
case LaunchTask(data) =>
if (executor == null) {
logError("Received LaunchTask command but executor was null")
System.exit(1)
{code}
What concerns was considered to make registerDriver first, Why not register to
driver until Executor sth. have been all ready?
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