Github user NicoK commented on a diff in the pull request: https://github.com/apache/flink/pull/4552#discussion_r160695373 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/PartitionRequestQueue.java --- @@ -98,20 +135,35 @@ public void close() { } } + /** + * Adds to maintain the unannounced credits from the consumer and it may trigger + * enqueue the corresponding reader for this consumer transferring data. + * + * @param receiverId The input channel id to identify consumer. + * @param credit The unannounced credits of the consumer. + */ + public void addCredit(InputChannelID receiverId, int credit) throws Exception { --- End diff -- could be `package-private`
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