A node being added will generally not lead to any leader election. A node
being removed will lead to leader election. You can force leader election
using the preferred replica election command -
On Wed, Nov 13, 2013 at 11:50 AM, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> I didn't see any auto leader election for adding nodes. The data are still
> skewed on the old nodes. You have to force it by running script?
> On Wed, Nov 13, 2013 at 6:41 AM, Neha Narkhede <[EMAIL PROTECTED]
> > At those many topics, zookeeper will be the main bottleneck. Leader
> > election process will take very long increasing the unavailability window
> > of the cluster.
> > Thanks,
> > Neha
> > On Nov 13, 2013 4:49 AM, "Joe Freeman" <[EMAIL PROTECTED]> wrote:
> > > Would I be correct in assuming that a Kafka cluster won't scale well to
> > > support lots (tens of millions) of topics? If I understand correctly, a
> > > node being added or removed would involve a leader election for each
> > topic,
> > > which is a relatively expensive operation?
> > >