StefanRRichter commented on a change in pull request #6898: [FLINK-10431]
Extraction of scheduling-related code from SlotPool into preliminary Scheduler
URL: https://github.com/apache/flink/pull/6898#discussion_r228066391
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/SlotPool.java
##########
@@ -324,78 +297,98 @@ public void disconnectResourceManager() {
boolean allowQueuedScheduling,
Time allocationTimeout) {
- log.debug("Received slot request [{}] for task: {}",
slotRequestId, task.getTaskToExecute());
-
- final SlotSharingGroupId slotSharingGroupId =
task.getSlotSharingGroupId();
-
- if (slotSharingGroupId != null) {
- // allocate slot with slot sharing
- final SlotSharingManager multiTaskSlotManager =
slotSharingManagers.computeIfAbsent(
- slotSharingGroupId,
- id -> new SlotSharingManager(
- id,
- this,
- providerAndOwner));
-
- final SlotSharingManager.MultiTaskSlotLocality
multiTaskSlotLocality;
-
- try {
- if (task.getCoLocationConstraint() != null) {
- multiTaskSlotLocality =
allocateCoLocatedMultiTaskSlot(
- task.getCoLocationConstraint(),
- multiTaskSlotManager,
- slotProfile,
- allowQueuedScheduling,
- allocationTimeout);
+ return
CompletableFuture.completedFuture(null).thenComposeAsync((i) -> {
Review comment:
In the end yes, absolutely right. But this is currently on purpose together
with some of your other comments that there is still slot pool code around that
could be removed. The purpose is you can switch back and forth now between the
new and the old code path by changing a single line in the job master and to
make the change as incremental as possible, as we previously discussed.
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