Fathima, In 0.11 there will be such a mechanism (see KIP-98), but in current versions, you have to eat the duplicates if you want to not lose messages.
On Wed, May 17, 2017 at 5:31 AM, Fathima Amara <fath...@wso2.com> wrote: > Hi Mathieu, > > Thanks for replying. I've already tried by setting "retries" to higher > values(maximum up to 3). Since this introduces duplicates which I do not > require, I brought the "retries" value back to 0. I would like to know > whether there is a way to achieve "exactly-once" guarantee having increased > the retires value? > > Fathima >
