xintongsong commented on a change in pull request #11615: [FLINK-16605] Add max limitation to the total number of slots URL: https://github.com/apache/flink/pull/11615#discussion_r407404631
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/resourcemanager/slotmanager/SlotManagerImpl.java ########## @@ -807,16 +813,29 @@ 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()) { + if (slot.getResourceProfile().isMatching(resourceProfile)) { + return true; + } + } + return false; } private Optional<PendingTaskManagerSlot> allocateResource(ResourceProfile requestedSlotResourceProfile) { + if (getNumberPendingTaskManagerSlots() + getNumberRegisteredSlots() + numSlotsPerWorker > maxSlotNum) { + LOG.warn("Could not allocate more slots since the number of slots {} already reach maximum {}.", Review comment: We should also mention how many slots trying to allocate. E.g., say `numSlotsPerWorker` is 3, you might see a log as following. > Could not allocate more slots since the number of slots 9 already reach maximum 10. This could be confusing because 9 is not reaching 10. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services