Honestly, I'm not sure why you'd want to have it send only one message at a time, but yes, this does not guarantee that it will not batch. It only guarantees that it won't wait before sending, which is not the same thing.
--Chris On Mon, May 18, 2020 at 4:03 PM Bibek Shrestha <sbibek2...@gmail.com> wrote: > Hi All, > > I am working on a research work where I have to tweak a few things > about how Kafka works. > > Goal: > Suppose I am to send messages to the broker. Let us consider that each > alphabet is a single message that needs to be sent (A-Z). My goal is > to be able to send the message in such a way that I can see a PUSH-ACK > packet equivalent to each message sent (A-Z), i.e 26 PUSH ACK packets > in the network. > > For this, I tried the following configurations which I think are > related to the goal I have. > batch.size: 0 (to disable batching of the requests) > linger.ms: 0 > > But this doesn't seem to work. The number of PUSH-ACK packets that can > be seen on the network is dependent on the delay that is between each > sends. If the delay is 0ms, then fewer PUSH-ACK packets would contain > all the messages (A-Z). But if the delay between the sends is > increased, then the number of PUSH-ACK to represent the messages (A-Z) > would increase though the above configuration is unchanged. > > Thank you > Bibek Shrestha > -- Chris
