Also, to be clear, by ack I mean an error code as described here: https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-ProduceResponse
On Wed, Jul 23, 2014 at 04:33:29PM -0700, Joel Koshy wrote: > Not sure if I followed the question correctly, but S1 and S2 would be > message-sets to different partitions of T - the producer request > object contains a map of topic-partition -> messageset). So each > partition would get its own ack. The response object is just a map of > partition -> response status so the order of acks in the response is > the response status map's order. > > Joel > > On Wed, Jul 23, 2014 at 02:09:40PM -0700, Dave Peterson wrote: > > Hello, > > > > I have a question about produce requests and responses. > > Suppose I create a produce request consisting of a single topic T > > which contains two message sets S1 and S2, with S1 preceding > > S2. In other words, the request looks like this: > > > > ( request header ( T ( S1, S2 ) ) ) > > > > Is it possible that I may get a response in which the order of > > the ACKs for the individual message sets is reversed? In other > > words, a response that looks like this: > > > > ( response header ( T ( ack for S2, ack for S1 ) ) ) > > > > I know that if a request contains multiple topics, then the topics > > may arrive out of order in the response. So I was wondering if > > ACKs for individual message sets within a topic can likewise > > arrive out of order in the response. > > > > Thanks, > > Dave >
