cadonna commented on code in PR #13855: URL: https://github.com/apache/kafka/pull/13855#discussion_r1235102765
########## streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamImpl.java: ########## @@ -1256,10 +1261,25 @@ private <VO, VR> KStream<K, VR> doStreamTableJoin(final KTable<K, VO> table, final NamedInternal renamed = new NamedInternal(joinedInternal.name()); final String name = renamed.orElseGenerateWithPrefix(builder, leftJoin ? LEFTJOIN_NAME : JOIN_NAME); + + Optional<TimeOrderedKeyValueBuffer<K, V, V>> buffer = Optional.empty(); + + if (joined.gracePeriod() != null) { Review Comment: Another thought here: What happens if I specify a grace period > 0 and run my application for a while. Then, I remove the grace period and again run my application for a while. Finally, I specify a grace period > 0 or even == 0 and again run my application for a while. Does my application in the last run process records that the first run wrote into the buffer? (Assuming the task is always assigned to the same node). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org