1996fanrui commented on code in PR #27182:
URL: https://github.com/apache/flink/pull/27182#discussion_r2541175001
##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/channel/RecoveredChannelStateHandler.java:
##########
@@ -99,7 +100,12 @@ public void recover(
Buffer buffer = bufferWithContext.context;
try {
if (buffer.readableBytes() > 0) {
- for (final RecoveredInputChannel channel :
getMappedChannels(channelInfo)) {
+ List<RecoveredInputChannel> mappedChannels =
getMappedChannels(channelInfo);
+ checkState(
+ mappedChannels.size() == 1,
+ "One buffer is only distributed to one target
InputChannel since "
+ + "one buffer is expected to be processed once
by the same task.");
+ for (final RecoveredInputChannel channel : mappedChannels) {
Review Comment:
The `InputChannelRecoveredStateHandler` has been refactored in a separate
commit:
https://github.com/apache/flink/pull/27182/commits/49074630670ad12467d8a3de0029590e93dd8c0d
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