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Kafka, mail # user - Leader = -1 is coming when broker goes down


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Re: Leader = -1 is coming when broker goes down
Neha Narkhede 2013-11-20, 14:39
If all replicas for a partition go offline, then leader will be set to -1.

Thanks,
Neha
On Nov 20, 2013 1:45 AM, "Monika Garg" <[EMAIL PROTECTED]> wrote:

> Hi Neha,
>
> In context of the same mail thread that you have already answered,I just
> want to clear one more doubt:
>
> If I am making a cluster with two brokers and a topic with 3 partitions and
> two replicas,then
> can leader = -1 come here in any case?
>
>
>
> On Tue, Oct 22, 2013 at 10:55 PM, Monika Garg <[EMAIL PROTECTED]>
> wrote:
>
> > Thanks Neha.
> >
> >
> >
> >
> > On Tue, Oct 22, 2013 at 7:39 PM, Neha Narkhede <[EMAIL PROTECTED]
> >wrote:
> >
> >> You have picked replication factor of 1, so when you bring down the only
> >> replica which can be the leader, it cannot be moved elsewhere. So we set
> >> it
> >> to -1.
> >>
> >> Thanks,
> >> Neha
> >> On Oct 22, 2013 12:21 AM, "Monika Garg" <[EMAIL PROTECTED]> wrote:
> >>
> >> > Hi
> >> >
> >> > I have made 2 nodes kafka cluster and created a topic with 3
> partitions
> >> and
> >> > 1 replica.
> >> >
> >> > the partitions got distributed among 2 brokers.
> >> >
> >> > then one of my broker(broker1) goes down and due to this the
> >> > partition(partition2) for which broker1 was acting as a leader,now
> >> showing
> >> > me the leader value as -1 by the kafka-list-topic-command.
> >> >
> >> > Any clue for leader coming as -1.
> >> >
> >> > --
> >> > *Moniii*
> >> >
> >>
> >
> >
> >
> > --
> > *Moniii*
> >
>
>
>
> --
> *Moniii*
>