Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/14079#discussion_r72540337
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -217,18 +219,34 @@ private[yarn] class YarnAllocator(
* @param localityAwareTasks number of locality aware tasks to be used
as container placement hint
* @param hostToLocalTaskCount a map of preferred hostname to possible
task counts to be used as
* container placement hint.
+ * @param nodeBlacklist a set of blacklisted node to avoid allocating
new container on them. It
--- End diff --
a set of blacklisted nodes, which is passed in to avoid allocating new
containers on them. It will be used to update the application manager (? right
terminology?) blacklist.
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