pnowojski commented on a change in pull request #6417: [FLINK-9913][runtime]
Improve output serialization only once in RecordWriter
URL: https://github.com/apache/flink/pull/6417#discussion_r217655518
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/api/writer/RecordWriter.java
##########
@@ -230,7 +227,6 @@ private BufferBuilder getBufferBuilder(int targetChannel)
throws IOException, In
}
private BufferBuilder requestNewBufferBuilder(int targetChannel) throws
IOException, InterruptedException {
- checkState(!bufferBuilders[targetChannel].isPresent());
Review comment:
This `checkState` was preventing from some bugs and data loses. Maybe
replace with:
```
checkState(!bufferBuilders[targetChannel].isPresent() ||
bufferBuilders[targetChannel].isFinished());
```
?
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