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_r338958307
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/NetworkBufferPool.java
##########
@@ -205,14 +236,26 @@ public void
recycleMemorySegments(Collection<MemorySegment> segments) throws IOE
}
private void recycleMemorySegments(Collection<MemorySegment> segments,
int size) throws IOException {
+ CompletableFuture<?> toNotify = null;
synchronized (factoryLock) {
numTotalRequiredBuffers -= size;
- availableMemorySegments.addAll(segments);
+ synchronized (availabilityHelper) {
Review comment:
I guess we could migrate the region of `synchronized (availabilityHelper) `
out of `synchronized (factoryLock)` to avoid nested lock. I wonder the nested
lock would bring potential risks future.
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