Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4485#discussion_r132655594
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/BufferPool.java
---
@@ -79,4 +79,12 @@
* Returns the number of used buffers of this buffer pool.
*/
int bestEffortGetNumOfUsedBuffers();
+
+ /**
+ * Adds a buffer availability listener to this buffer pool.
+ *
+ * <p> The operation fails with return value <code>false</code>, when
there is a buffer available or
--- End diff --
please remove the space after <p> (checkstyle)
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