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https://issues.apache.org/jira/browse/FLINK-7378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16123283#comment-16123283
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ASF GitHub Bot commented on FLINK-7378:
---------------------------------------
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)
> Implement the FixedBufferPool for floating buffers of SingleInputGate
> ---------------------------------------------------------------------
>
> Key: FLINK-7378
> URL: https://issues.apache.org/jira/browse/FLINK-7378
> Project: Flink
> Issue Type: Sub-task
> Components: Core
> Reporter: zhijiang
> Assignee: zhijiang
> Fix For: 1.4.0
>
>
> Currently the number of network buffers in {{LocalBufferPool}} for
> {{SingleInputGate}} is limited by {{a * <number of channels> + b}}, where a
> is the number of exclusive buffers for each channel and b is the number of
> floating buffers shared by all channels.
> Considering the credit-based flow control feature, we want to implement a new
> fixed size buffer pool type used to manage the floating buffers for
> {{SingleInputGate}}.
> Compared with {{LocalBufferPool}}, this is a non-rebalancing buffer pool
> which will not participate in redistributing the left available buffers in
> {{NetworkBufferPool}}.
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