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https://issues.apache.org/jira/browse/FLINK-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16641775#comment-16641775
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ASF GitHub Bot commented on FLINK-8581:
---------------------------------------

NicoK commented on a change in pull request #6698: [FLINK-8581][network] Move 
flushing remote subpartitions from OutputFlusher to netty
URL: https://github.com/apache/flink/pull/6698#discussion_r223291788
 
 

 ##########
 File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/ResultPartition.java
 ##########
 @@ -268,6 +291,25 @@ public void flushAll() {
                }
        }
 
+       @Override
+       public void flushAllLocal() {
+               for (ResultSubpartition localSubpartition : localSubpartitions) 
{
+                       localSubpartition.flush();
+               }
 
 Review comment:
   nit: how about `localSubpartitions.forEach(ResultSubpartition::flush);`?

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> Improve performance for low latency network
> -------------------------------------------
>
>                 Key: FLINK-8581
>                 URL: https://issues.apache.org/jira/browse/FLINK-8581
>             Project: Flink
>          Issue Type: Improvement
>          Components: Network
>    Affects Versions: 1.5.0
>            Reporter: Piotr Nowojski
>            Assignee: Piotr Nowojski
>            Priority: Major
>              Labels: pull-request-available
>




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