rkhachatryan commented on a change in pull request #11507: [FLINK-16587] Add
basic CheckpointBarrierHandler for unaligned checkpoint
URL: https://github.com/apache/flink/pull/11507#discussion_r398953446
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
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@@ -170,9 +173,14 @@
private final CompletableFuture<Void> closeFuture;
+ @Nullable
+ protected BufferReceivedListener bufferReceivedListener;
Review comment:
I see this field is set by the task thread, but it is read by the network
thread (right?).
I'm pretty sure in most of the cases there is a fence, but we can't
guarantee it.
Should we make it `final` or `volatile`?
(we could cache `volatile` value if we guarantee that it's never changed
once set).
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