Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4887#discussion_r148754660
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/instance/SlotPool.java ---
@@ -316,6 +316,13 @@ private void requestSlotFromResourceManager(
pendingRequests.put(allocationID, new
PendingRequest(allocationID, future, resources));
+ future.whenComplete(
+ (value, throwable) -> {
+ if (throwable != null && throwable instanceof
TimeoutException) {
--- End diff --
I think we should `cancelSlotRequest` for all `Throwables`.
---