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From Jun Rao <jun...@gmail.com>
Subject Re: can the replication factor for a topic be changed after it's created?
Date Thu, 09 May 2013 16:21:00 GMT
Yes, your are right.

Thanks,

Jun


On Thu, May 9, 2013 at 9:07 AM, Neha Narkhede <neha.narkhede@gmail.com>wrote:

> Jun, the question is whether or not you can increase the replication factor
> of a partition through the partition reassignment tool or not. I think you
> can but I'm not sure until I test this.
>
> Thanks,
> Neha
>
>
> On Thu, May 9, 2013 at 7:58 AM, Jun Rao <junrao@gmail.com> wrote:
>
> > Currently, we don't allow the replication factor of an existing
> > topic/partition to be changed. We plan to add a tool to do that in the
> > future.
> >
> > Thanks,
> >
> > Jun
> >
> >
> > On Wed, May 8, 2013 at 11:52 PM, Jason Rosenberg <jbr@squareup.com>
> wrote:
> >
> > > so does that, thereby, allow you to increase the replication for a
> > > partition?
> > >
> > >
> > > On Wed, May 8, 2013 at 10:48 PM, Neha Narkhede <
> neha.narkhede@gmail.com
> > > >wrote:
> > >
> > > > If you add more brokers to an existing cluster, you can use the
> > partition
> > > > reassignment admin tool to move a replica of selected partitions over
> > to
> > > > the new broker.
> > > >
> > > > Thanks,
> > > > Neha
> > > >
> > > >
> > > > On Wed, May 8, 2013 at 10:27 PM, Jason Rosenberg <jbr@squareup.com>
> > > wrote:
> > > >
> > > > > It looks like by default, the first time a new message arrives for
> a
> > > > given
> > > > > topic, it will receive the default replication factor in place on
> the
> > > > > broker at the time it is first received.
> > > > >
> > > > > Is it possible to change this later (e.g. say if we add more
> hardware
> > > to
> > > > > the cluster at a later date, etc.)?
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Jason
> > > > >
> > > >
> > >
> >
>

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