Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4499#discussion_r136056467
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
---
@@ -72,6 +79,21 @@
*/
private int expectedSequenceNumber = 0;
+ /** The initial number of exclusive buffers assigned to this channel. */
+ private int initialCredit;
+
+ /** The current available exclusive buffers and requested floating
buffers from buffer pool. */
+ private final Queue<Buffer> availableBuffers = new ArrayDeque<>();
--- End diff --
I'd prefer to use `ArrayDeque` here for the member as well to help the JVM
to optimise a bit (methods should mostly use less concrete types such as
`Queue` to not limit users too much, but this is not necessary for a private
member)
---