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https://issues.apache.org/jira/browse/FLINK-8178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16292508#comment-16292508
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ASF GitHub Bot commented on FLINK-8178:
---------------------------------------
Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/5105#discussion_r156922694
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/SpilledSubpartitionViewTest.java
---
@@ -48,8 +47,7 @@
private static final IOManager IO_MANAGER = new IOManagerAsync();
- private static final TestInfiniteBufferProvider writerBufferPool =
- new TestInfiniteBufferProvider();
+ private static final TestPooledBufferProvider writerBufferPool = new
TestPooledBufferProvider(Integer.MAX_VALUE);
--- End diff --
Good point. I have cleaned up/simplify this test a little bit more and
dropped `TestPooledBufferProvider` altogether to avoid this issue.
> Introduce not threadsafe write only BufferBuilder
> -------------------------------------------------
>
> Key: FLINK-8178
> URL: https://issues.apache.org/jira/browse/FLINK-8178
> Project: Flink
> Issue Type: Improvement
> Components: Network
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Fix For: 1.5.0
>
>
> While Buffer class is used in multithreaded context it requires
> synchronisation. Now it is miss-leading/unclear and suggesting that
> RecordSerializer should take into account synchronisation of the Buffer
> that's holding. With NotThreadSafe BufferBuilder there would be clear
> separation between single-threaded writing/creating a BufferBuilder and
> multithreaded Buffer handling/retaining/recycling.
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