Github user dragos commented on a diff in the pull request:
https://github.com/apache/spark/pull/10768#discussion_r50090479
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala
---
@@ -142,6 +142,8 @@ private[spark] class MesosClusterScheduler(
private val queuedDriversState =
engineFactory.createEngine("driverQueue")
private val launchedDriversState =
engineFactory.createEngine("launchedDrivers")
private val pendingRetryDriversState =
engineFactory.createEngine("retryList")
+ private val driverOfferConstraints =
+ parseConstraintString(conf.get("spark.mesos.constraints", ""))
--- End diff --
This is the problem: This setting is read only once, when the dispatcher is
started. What you want is to pick up the constraints set on the submitted job.
Have a look at how other job-specific settings are treated in the code (there's
a submitProperties variable, or something similar).
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