NicoK commented on a change in pull request #6974: [FLINK-10727][network]
remove unnecessary synchronization in SingleInputGate#requestPartitions()
URL: https://github.com/apache/flink/pull/6974#discussion_r229671494
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
##########
@@ -477,8 +477,8 @@ public boolean isFinished() {
@Override
public void requestPartitions() throws IOException,
InterruptedException {
- synchronized (requestLock) {
- if (!requestedPartitionsFlag) {
+ if (!requestedPartitionsFlag) {
Review comment:
1. there is no `else` - do you think this would be simpler?
```
if (requestedPartitionsFlag) {
return;
}
synchronized (...)
```
2. yes - but thereby, I'm making `SingleInputGate` adhere the same standards
as `UnionInputGate` for this overload of `requestPartitions` - the behaviour
should be consistent, one way or the other. Should I add a note to the method's
JavaDoc?
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