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From Guozhang Wang <wangg...@gmail.com>
Subject Re: rebalance brokers
Date Tue, 30 Sep 2014 15:32:31 GMT
In 0.7 one is required to manually create partitions for existing topics
when we add new brokers (i.e. modify the zk registration path).

On Mon, Sep 29, 2014 at 9:07 PM, Guangle Fan <fanguangle@gmail.com> wrote:

> Guozhang, yes, the version running on there is still 0.7, you are right,
> there is no such concept of replicas on it. Is there a way to rebalance
> partitions across all brokers when adding new nodes ?
>
> On Mon, Sep 29, 2014 at 6:11 PM, Guozhang Wang <wangguoz@gmail.com> wrote:
>
> > Hi Guangle,
> >
> > Replication is only introduced in 0.8, with 0.7 there should not have
> > leader / follower replicas. Could you verify the version of your Kafka
> > cluster?
> >
> > Guozhang
> >
> > On Mon, Sep 29, 2014 at 4:30 PM, Guangle Fan <fanguangle@gmail.com>
> wrote:
> >
> > > Hi, All
> > >
> > > We have some old kafka nodes that are still running 0.7.
> > >
> > > We disable the replica of topics there. Recently we added some node
> > brokers
> > > to that cluster, I found new nodes won't got written or read even
> though
> > > it's registered correctly in zookeeper.
> > >
> > > I think in this case, it's because all these nodes became followers of
> > > partitions. I need to rebalance leadership of partitions across all
> > > brokers.
> > >
> > > If my thought is correct, how shall I rebalance leadership ?
> > >
> > > Thanks!
> > >
> > > Guangle
> > >
> >
> >
> >
> > --
> > -- Guozhang
> >
>



-- 
-- Guozhang

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