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`
---