Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19039#discussion_r135045968
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/BlacklistTracker.scala ---
@@ -94,6 +94,22 @@ private[scheduler] class BlacklistTracker (
val nodeToBlacklistedExecs = new HashMap[String, HashSet[String]]()
/**
+ * Blacklists permanently the nodes listed in
spark.blacklist.alwaysBlacklistedNodes
+ * The blacklist timeout is set to a large value, effectively never
expiring.
+ */
+ private val permanentlyBlacklistedNodes: Seq[String] =
+ conf.get("spark.blacklist.alwaysBlacklistedNodes",
"").split(',').map(_.trim).filter(_ != "")
+ if (permanentlyBlacklistedNodes.nonEmpty) {
--- End diff --
We should make this a private function and init the val `_nodeBlacklist`
with this.
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