amaliujia commented on a change in pull request #14617:
URL: https://github.com/apache/beam/pull/14617#discussion_r618790658
##########
File path:
sdks/java/fn-execution/src/main/java/org/apache/beam/sdk/fn/stream/DirectStreamObserver.java
##########
@@ -59,9 +60,8 @@ public DirectStreamObserver(Phaser phaser,
CallStreamObserver<T> outboundObserve
@Override
public void onNext(T value) {
- numberOfMessagesBeforeReadyCheck += 1;
- if (numberOfMessagesBeforeReadyCheck >= maxMessagesBeforeCheck) {
- numberOfMessagesBeforeReadyCheck = 0;
+ if (maxMessagesBeforeCheck <= 1 ||
Review comment:
Does `maxMessagesBeforeCheck` need to be an atomic integer?
##########
File path:
sdks/java/fn-execution/src/main/java/org/apache/beam/sdk/fn/stream/DirectStreamObserver.java
##########
@@ -59,9 +60,8 @@ public DirectStreamObserver(Phaser phaser,
CallStreamObserver<T> outboundObserve
@Override
public void onNext(T value) {
Review comment:
So this function could be called in a multiple threading environment
thus we need an atomic integer?
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