Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/17113#discussion_r118748969
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/BlacklistTracker.scala ---
@@ -145,6 +146,72 @@ private[scheduler] class BlacklistTracker (
nextExpiryTime = math.min(execMinExpiry, nodeMinExpiry)
}
+ private def killBlacklistedExecutor(exec: String): Unit = {
+ if (conf.get(config.BLACKLIST_KILL_ENABLED)) {
+ allocationClient match {
+ case Some(a) =>
+ logInfo(s"Killing blacklisted executor id $exec " +
+ s"since spark.blacklist.killBlacklistedExecutors is set.")
+ a.killExecutors(Seq(exec), true, true)
+ case None =>
+ logWarning(s"Not attempting to kill blacklisted executor id
$exec " +
+ s"since allocation client is not defined.")
+ }
+ }
+ }
+
+ private def killExecutorsOnBlacklistedNode(node: String): Unit = {
+ if (conf.get(config.BLACKLIST_KILL_ENABLED)) {
+ allocationClient match {
+ case Some(a) =>
+ logInfo(s"Killing all executors on blacklisted host $node " +
+ s"since spark.blacklist.killBlacklistedExecutors is set.")
+ if (a.killExecutorsOnHost(node) == false) {
+ logError(s"Killing executors on node $node failed.")
+ }
+ case None =>
+ logWarning(s"Not attempting to kill executors on blacklisted
host $node " +
+ s"since allocation client is not defined.")
+ }
+ }
+ }
+
+ def updateBlacklistForFetchFailure(host: String, exec: String): Unit = {
+ if (BLACKLIST_FETCH_FAILURE_ENABLED) {
+ // spark.blacklist.application.fetchFailure.enabled is enabled. If
we blacklist
+ // on fetch failures, we are implicitly saying that we believe the
failure is
+ // non-transient, and can't be recovered from (even if this is the
first fetch failure).
+ // If the external shuffle-service is on, then every other executor
on this node would
+ // be suffering from the same issue, so we should blacklist (and
potentially kill) all
+ // of them immediately.
+
+ val now = clock.getTimeMillis()
+ val expiryTimeForNewBlacklists = now + BLACKLIST_TIMEOUT_MILLIS
+
+ if (conf.get(config.SHUFFLE_SERVICE_ENABLED)) {
+ if (!nodeIdToBlacklistExpiryTime.contains(host)) {
+ logInfo(s"blacklisting node $host due to fetch failure of
external shuffle service")
+
+ nodeIdToBlacklistExpiryTime.put(host, expiryTimeForNewBlacklists)
+ listenerBus.post(SparkListenerNodeBlacklisted(now, host, 1))
+ _nodeBlacklist.set(nodeIdToBlacklistExpiryTime.keySet.toSet)
+ killExecutorsOnBlacklistedNode(host)
--- End diff --
I think we need to call updateNextExpiryTime() here now since there isn't
an explicit executorid being blacklisted which would have normally called it.
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