Github user dragos commented on a diff in the pull request:
https://github.com/apache/spark/pull/10768#discussion_r49862201
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala
---
@@ -519,6 +521,20 @@ private[spark] class MesosClusterScheduler(
val currentTime = new Date()
stateLock.synchronized {
+ var it = offers.iterator()
+ while (it.hasNext) {
+ val offer = it.next()
+ val offerAttributes = toAttributeMap(offer.getAttributesList)
+ val meetsConstraints =
matchesAttributeRequirements(driverOfferConstraints, offerAttributes)
+
+ if (!meetsConstraints) {
+ driver.declineOffer(offer.getId)
+ it.remove()
--- End diff --
I'd rather not mutate the underlying collection. Anyhow, this has no effect
because the code below is using `currentOffers`, which is a copy of the
original resources made earlier. I suggest you insert this filter at that point.
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