pnowojski commented on a change in pull request #10009: [FLINK-14304] Avoid
task starvation with mailbox
URL: https://github.com/apache/flink/pull/10009#discussion_r341157710
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/mailbox/TaskMailboxImpl.java
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@@ -77,22 +112,30 @@ public boolean hasMail() {
@Override
public Optional<Mail> tryTake(int priority) throws
IllegalStateException {
+ Optional<Mail> head = tryTakeFromBatch();
Review comment:
shouldn't the `tryTake` and `take` methods call `createBatch()` if
`tryTakeFromBatch` returned `Optional.empty()`?
Why do we allow for non batched takes? Shouldn't we have just
`tryTakeFromBatch` and `takeFromBatch`?
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