zhijiangW commented on a change in pull request #9993:
[FLINK-14498][runtime]Introduce NetworkBufferPool#isAvailable() for interacting
with LocalBufferPool.
URL: https://github.com/apache/flink/pull/9993#discussion_r341436098
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java
##########
@@ -231,25 +230,39 @@ private BufferBuilder toBufferBuilder(MemorySegment
memorySegment) {
@Nullable
private MemorySegment requestMemorySegment(boolean isBlocking) throws
InterruptedException, IOException {
+ if (!isBlocking) {
+ return requestMemorySegment();
+ } else {
+ MemorySegment segment = null;
Review comment:
nit: remove `=null` when remove `if` condition as below.
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