Thanks a lot Guohang, this makes sense.

On Fri, Oct 25, 2013 at 10:32 AM, Guozhang Wang <wangg...@gmail.com> wrote:

> Hi Kane,
>
> You can find details of request.timeout.ms here:
>
> http://kafka.apache.org/documentation.html#configuration
>
> And yes, if a "timeout" response to sent back to the producer, it means the
> message may or may not have been committed.
>
> Guozhang
>
>
> On Fri, Oct 25, 2013 at 8:05 AM, Kane Kane <kane.ist...@gmail.com> wrote:
>
> > Hello Neha,
> > Can you explain please what this means:
> > request.timeout.ms - The amount of time the broker will wait trying to
> > meet
> > the request.required.acks requirement before sending back an error to the
> > client.
> >
> > So the message will be committed even though broker sends error to
> client?
> >
> >
> > On Fri, Oct 25, 2013 at 7:41 AM, Neha Narkhede <neha.narkh...@gmail.com
> > >wrote:
> >
> > > 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" <kane.ist...@gmail.com> 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 <
> > neha.narkh...@gmail.com
> > > > >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 <wangg...@gmail.com
> >
> > > > 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 <
> kane.ist...@gmail.com>
> > > > > 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
> > > > > >
> > > > >
> > > >
> > >
> >
>
>
>
> --
> -- Guozhang
>

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