The topic/partition ordering in the producer response may not be the same as that in the request. In each request, there is supposed to be one instance per topic/partition.
Thanks, Jun On Wed, Jun 11, 2014 at 5:27 PM, Dave Peterson <dspeter...@tagged.com> wrote: > Hello, I have a question about produce requests and responses. > I send a produce request containing multiple topics, and get > back a response from the broker containing all topics from the > request. However, the ordering of the topics in the response > differs from the ordering of the topics in the request. > > Is this expected behavior? If so, then suppose I send a > request in which the same topic appears twice. To avoid > ambiguity when processing the response, I'm guessing that I > should either avoid sending multiple instances of the same > topic in one request, or make sure the instances are > distinguishable by the partition(s) they contain. Is this > correct? > > Likewise, suppose I send a produce request containing a single > instance of some topic, and the instance contains multiple > partitions (each with a corresponding message set). In the > produce response, is it possible that the ordering of the ACKs > for the partitions will differ from ordering of the partitions > in the request? > > > Thanks, > Dave >
