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From Gwen Shapira <gshap...@cloudera.com>
Subject Re: Dynamically adding Kafka brokers
Date Mon, 03 Nov 2014 22:23:33 GMT
+1
Thats what we use to generate broker id in automatic deployments.
This method makes troubleshooting easier (you know where each broker is
running), and doesn't require keeping extra files around.

On Mon, Nov 3, 2014 at 2:17 PM, Joe Stein <joe.stein@stealth.ly> wrote:

> Most folks strip the IP and use that as the broker.id. KAFKA-1070 does not
> yet accommodate for that very widely used method. I think it would be bad
> if KAFKA-1070 only worked for new installations because that is how people
> use Kafka today (per
>
> https://issues.apache.org/jira/browse/KAFKA-1070?focusedCommentId=14085808&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14085808
> )
>
> On Mon, Nov 3, 2014 at 2:12 PM, Joel Koshy <jjkoshy.w@gmail.com> wrote:
>
> > KAFKA-1070 will help with this and is pending a review.
> >
> > On Mon, Nov 03, 2014 at 05:03:20PM -0500, Otis Gospodnetic wrote:
> > > Hi,
> > >
> > > How do people handle situations, and specifically the broker.id
> > property,
> > > where the Kafka (broker) cluster is not fully defined right away?
> > >
> > > Here's the use case we have at Sematext:
> > > * Our software ships as a VM
> > > * All components run in this single VM, including 1 Kafka broker
> > > * Of course, this is just for a nice OOTB experience, but to scale one
> > > needs to have more instances of this VM, including more Kafka brokers
> > > * *One can clone our VM and launch N instances of it, but because we
> > have a
> > > single Kafka broker config with a single broker.id <http://broker.id>
> in
> > > it, one can't just launch more of these VMs and expect to see more
> Kafka
> > > brokers join the cluster.  One would have to change the broker.id
> > > <http://broker.id> on each new VM instance.*
> > >
> > > How do others handle this in a software that is packages and ships to
> > user
> > > and is not in your direct control to allow you to edit configs?
> > >
> > > Would it be best to have a script that connect to ZooKeeper to get the
> > list
> > > of all existing brokers and their IDs and then generate a new distinct
> > ID +
> > > config for the new Kafka broker?
> > >
> > > Or are there slicker ways to do this that people use?
> > >
> > > Thanks,
> > > Otis
> > > --
> > > Monitoring * Alerting * Anomaly Detection * Centralized Log Management
> > > Solr & Elasticsearch Support * http://sematext.com/
> >
> >
>

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