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Kafka, mail # user - how request.required.acks works


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Re: how request.required.acks works
Neha Narkhede 2013-10-25, 14:41
The producer acknowledgement is independent of the leader follower
replication. So if the message is written to the leader and the followers
are healthy, the message will get committed.

Thanks,
Neha
On Oct 24, 2013 8:35 PM, "Kane Kane" <[EMAIL PROTECTED]> wrote:

> Hello Neha, does it mean even if not all replica acknowledged and timeout
> kicked in and producer get an exception - message still will be written?
>
> Thanks.
>
>
> On Thu, Oct 24, 2013 at 8:08 PM, Neha Narkhede <[EMAIL PROTECTED]
> >wrote:
>
> > The message will be written to the leader as well as the replicas.
> >
> > Thanks,
> > Neha
> >
> >
> > On Thu, Oct 24, 2013 at 7:08 PM, Guozhang Wang <[EMAIL PROTECTED]>
> wrote:
> >
> > > Hi,
> > >
> > > In this case the request would be treated as timed out and hence
> failed,
> > if
> > > the producer is async then after the number of retries it still failed,
> > the
> > > messages will be dropped.
> > >
> > > Guozhang
> > >
> > >
> > > On Thu, Oct 24, 2013 at 6:50 PM, Kane Kane <[EMAIL PROTECTED]>
> > wrote:
> > >
> > > > If i set request.required.acks to -1, and set relatively short
> > > > request.timeout.ms and timeout happens before all replicas
> acknowledge
> > > the
> > > > write - would be message written to the leader or dropped?
> > > >
> > >
> > >
> > >
> > > --
> > > -- Guozhang
> > >
> >
>