Github user NicoK commented on a diff in the pull request: https://github.com/apache/flink/pull/4509#discussion_r141664479 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/NettyMessage.java --- @@ -176,6 +176,8 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) final int sequenceNumber; + int backlog; --- End diff -- please make this `final`
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