manirajv06 commented on code in PR #1096:
URL: https://github.com/apache/yunikorn-core/pull/1096#discussion_r3620722581
##########
pkg/scheduler/objects/application.go:
##########
@@ -1448,7 +1487,24 @@ func (sa *Application) tryReservedAllocate(headRoom
*resources.Resource, nodeIte
}
}
// check allocation possibility
- // we don't care about predicate error messages here
+ skipReservedNode := false
+ feasibleNodes, predicatesResult :=
ask.preAllocateConditions(true)
+ if predicatesResult {
+ // Is this node suitable to run the pod?
+ if len(feasibleNodes) > 0 {
+ if _, ok := feasibleNodes[reserve.node.NodeID];
!ok {
+ skipReservedNode = true
+ }
+ }
+ } else {
+ skipReservedNode = true
+ }
+ if skipReservedNode {
+ getRateLimitedAppLog().Info("skipping reserved node as
it is not feasible to run the pod",
+ zap.String("allocationKey",
ask.GetAllocationKey()),
+ zap.String("reserved node",
reserve.node.NodeID))
+ continue
+ }
Review Comment:
Earlier Prefilter run was based on `reservation` filters before doing the
reservation in `tryAllocate` cycle. Now, here in `tryReservedAllocate` cycle,
we are processing the reservations happened (`tryAllocate` cycle) earlier to
take it forward. So, we are running PreFilter based on `allocation` filters
this time.
Since `tryNodesNoReserve()` is about trying "other" nodes, we run prefilter
checks. so, yes correct
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