KarmaGYZ commented on a change in pull request #11615:
URL: https://github.com/apache/flink/pull/11615#discussion_r412632853
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/resourcemanager/slotmanager/SlotManagerImpl.java
##########
@@ -804,16 +850,31 @@ private void
fulfillPendingSlotRequestWithPendingTaskManagerSlot(PendingSlotRequ
return Optional.empty();
}
- private boolean isFulfillableByRegisteredSlots(ResourceProfile
resourceProfile) {
+ private boolean isFulfillableByRegisteredOrPendingSlots(ResourceProfile
resourceProfile) {
for (TaskManagerSlot slot : slots.values()) {
if
(slot.getResourceProfile().isMatching(resourceProfile)) {
return true;
}
}
+
+ for (PendingTaskManagerSlot slot : pendingSlots.values()) {
Review comment:
To summarize:
- Before this change, this method do the "resource fit" check mainly for
Standalone mode. There is no `pendingSlot` in this mode.
- After this change, this method could also do the "resource fit" check for
Yarn/K8s when the number of slots reached max limit. The `pendingSlot` may not
register back quickly at the startup period. Only check the registered `slots`
would cause a false alarm.
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