vanzin commented on a change in pull request #19616: [SPARK-22404][YARN]
Provide an option to use unmanaged AM in yarn-client mode
URL: https://github.com/apache/spark/pull/19616#discussion_r240421285
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
##########
@@ -1084,14 +1095,38 @@ private[spark] class Client(
if (returnOnRunning && state == YarnApplicationState.RUNNING) {
return createAppReport(report)
}
-
+ if (state == YarnApplicationState.ACCEPTED && isClientUnmanagedAMEnabled
+ && !amServiceStarted && report.getAMRMToken != null) {
+ amServiceStarted = true
+ startApplicationMasterService(report)
+ }
lastState = state
}
// Never reached, but keeps compiler happy
throw new SparkException("While loop is depleted! This should never
happen...")
}
+ private def startApplicationMasterService(report: ApplicationReport) = {
+ // Add AMRMToken to establish connection between RM and AM
+ val token = report.getAMRMToken
+ val amRMToken: org.apache.hadoop.security.token.Token[AMRMTokenIdentifier]
=
+ new org.apache.hadoop.security.token.Token[AMRMTokenIdentifier](token
Review comment:
Keep related calls in the same like (e.g. `token.getIdentifier()`, `new
Text(blah)`)
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