Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/4818#discussion_r25540529
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -290,8 +290,18 @@ private[yarn] class YarnAllocator(
location: String,
containersToUse: ArrayBuffer[Container],
remaining: ArrayBuffer[Container]): Unit = {
+ // SPARK-6050: certain Yarn configurations return a resource
configuration that doesn't match
+ // the request; for example, capacity scheduler +
DefaultResourceCalculator. Allow users in
+ // those situations to disable resource matching.
+ val matchingResource =
+ if (sparkConf.getBoolean("spark.yarn.container.matchAnyResource",
false)) {
--- End diff --
Also as @mridulm mentioned we are basically just matching what we got back
which disables all checks. Before we were checking that memory was atleast big
enough.
private def isResourceConstraintSatisfied(container: Container): Boolean
= {
container.getResource.getMemory >= (executorMemory + memoryOverhead)
}
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