Yes. That's correct. Thanks,
Mayuresh Sent from my iPhone > On Jan 8, 2015, at 2:55 PM, Xiaoyu Wang <xw...@rocketfuel.com> wrote: > > Hi All, > > Just want to double check with you regarding producers using required.acks > = -1. > > - Producer is guaranteed to receive responses within certain time. > Because the satisfied request checking is for in-sync replica. If some > replica got stuck, it will be removed from in-sync replica and hence won't > block sending response back. > > > - All exceptions in response come from the leader replica, which means > appending to the leader failed and producer should resend the message. > > > - Potential data loss case: when broker does unclean-leader election > > > - Potential data duplication case: connection dropped before producer > receives response. In which case, producer does not know whether the > request succeeded or resend the message. > > Are those above correct? Thank you for your time.
