Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/2577#discussion_r18395371
--- Diff:
yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
---
@@ -328,10 +348,18 @@ private[spark] class ApplicationMaster(args:
ApplicationMasterArguments,
private def waitForSparkDriver(): ActorRef = {
logInfo("Waiting for Spark driver to be reachable.")
var driverUp = false
+ var count = 0
val hostport = args.userArgs(0)
val (driverHost, driverPort) = Utils.parseHostPort(hostport)
- while (!driverUp) {
+
+ // spark driver should already be up since it launched us, but we
don't want to
+ // wait forever, so wait 100 seconds max to match the cluster mode
setting.
+ // Leave this config unpublished for now.
+ val numTries =
sparkConf.getInt("spark.yarn.ApplicationMaster.client.waitTries", 1000)
--- End diff --
ok for this pr I'll leave it applicationMaster.waitTries and match cluster
mode and I'll file a separate jira to clean it up. The documentation doesn't
state how long each loop is for example. I think these would be better to just
change to be a wait times versus number of tries and then they can be used for
both modes.
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