> How big should be the batch size? > In production at Linkedin, we use a batch size of 200, which has worked pretty well.
> What happens if producer client crashes before batch is full and messages > were still sitting in producer queue? Does it recover those messages when > we restart the producer? > If the producer shuts down, it flushes out the messages in the internal queue. If it crashes, it does not get a chance to do that and there is no good alternative to this. > Are these messages stored in memory or disk? > In memory. Thanks, Neha
