Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4485#discussion_r135480975
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/NetworkBufferPool.java
---
@@ -131,6 +133,50 @@ public void recycle(MemorySegment segment) {
availableMemorySegments.add(segment);
}
+ public List<MemorySegment> requestMemorySegments(int
numRequiredBuffers) throws IOException {
+ synchronized (factoryLock) {
--- End diff --
should we add a `Preconditions.checkArgument(numRequiredBuffers > 0)`?
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