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https://issues.apache.org/jira/browse/FLINK-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642741#comment-16642741
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ASF GitHub Bot commented on FLINK-8581:
---------------------------------------
zhijiangW 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_r223550777
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
##########
@@ -77,6 +77,14 @@ public void flush() {
}
}
+ @Override
+ public void registerPeriodicFlush(long flushTimeout) {
Review comment:
1. The behavior of this method may be simple like `notifyDataAvailable`? So
we can reduce `synchronized` part.
```
if (readView != null) {
readView. registerPeriodicFlush(flushTimeout);
}
```
2. This implementation is same in
`SpillableSubpartition#registerPeriodicFlush`, maybe we can put this method in
the parent `ResultSubpartition#registerPeriodicFlush`? And the relevant change
is also defining protected `readView` in `ResultSubpartition`.
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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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