Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4735#discussion_r141660623
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPoolTest.java
---
@@ -400,6 +399,23 @@ private int getNumRequestedFromMemorySegmentPool() {
return networkBufferPool.getTotalNumberOfMemorySegments() -
networkBufferPool.getNumberOfAvailableMemorySegments();
}
+ private BufferListener createBufferListener(int notificationTimes) {
+ return spy(new BufferListener() {
+ int times = 0;
+
+ @Override
+ public boolean notifyBufferAvailable(Buffer buffer) {
+ times++;
+ buffer.recycle();
--- End diff --
nice trick with the `recycle()` call here leading to another invocation or
the release of the buffer
---
