rkhachatryan commented on a change in pull request #11534:
[FLINK-16537][network] Implement ResultPartition state recovery for unaligned
checkpoint
URL: https://github.com/apache/flink/pull/11534#discussion_r400457973
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
##########
@@ -89,6 +91,25 @@
super(index, parent);
}
+ @Override
+ public void initializeState() throws IOException, InterruptedException {
+ ReadResult readResult = ReadResult.HAS_MORE_DATA;
+ while (readResult == ReadResult.HAS_MORE_DATA) {
+ BufferBuilder bufferBuilder =
parent.getBufferPool().requestBufferBuilderBlocking();
+ BufferConsumer bufferConsumer =
bufferBuilder.createBufferConsumer();
+ readResult =
parent.getChannelStateReader().readOutputData(subpartitionInfo, bufferBuilder);
+
+ // check whether there are some states data filled in
this time
+ bufferConsumer.update();
Review comment:
I guess this method and call were introduced to update cached writer
position to what was set by `ChannelStateReader`?
Wouldn't creation of `bufferConsumer` **after** `readOutputData()` have the
same effect?
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