Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/11512#discussion_r55375068
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala ---
@@ -116,6 +118,21 @@ private[spark] class ApplicationMaster(
private var delegationTokenRenewerOption:
Option[AMDelegationTokenRenewer] = None
+ if (SystemUtils.IS_OS_UNIX) {
+ // Register signal handler for signal "TERM", "INT" and "HUP". For the
cases where AM receive a
+ // signal and stop, from RM's aspect this application needs to be
reattempted, rather than mark
+ // as success.
+ // Replace this signal handler with SignalLogger in AM side.
+ val signalHandler = new SignalHandler() {
+ override def handle(sig: Signal): Unit = {
+
+ logInfo(s"received signal: ${sig.getName}")
--- End diff --
I'd rather see this have same information as message in the signallogger:
log.error("RECEIVED SIGNAL " + signal.getNumber() + ": SIG" +
signal.getName())
You can add something to indicate from AM and not signal logger if you want
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