Especially in light of replication (broker-broker communication), I'm wondering if all the brokers are in the same rack and what kind of networking interfaces are used (Gigabit ethernet, Fibre Channel, etc).

On 3/29/13 6:53 PM, Jun Rao wrote:
We have multiple Kafka clusters, each has about 10 brokers right now. Not
sure about the network topology. What kind of info do you want to know?

Thanks,

Jun

On Fri, Mar 29, 2013 at 11:47 AM, David Arthur <mum...@gmail.com> wrote:

How many brokers are you (LinkedIn) running? What kind of network topology?


On 3/29/13 2:45 PM, Neha Narkhede wrote:

1. We never share zookeeper and broker on the same hardware. Both need
significant memory to operate efficiently.
2. 14 drive setup is just for Kafka. We have a separate disk for the OS,
AFAIK.

Thanks,
Neha

On Fri, Mar 29, 2013 at 11:37 AM, Ian Friedman <i...@flurry.com> wrote:

Thanks Jun. Couple more questions:
1. Do you guys have dedicated hardware for Zookeeper or do you have a
few machines run both a ZK and a broker? If so, do you keep the ZK and
Kafka data on separate volumes?
2. You use the 14 drive raid setup is just for Kafka data and a separate
drive for the OS?

Thanks again,
Ian


On Friday, March 29, 2013 at 12:43 PM, Jun Rao wrote:

  It's more or less the same. Our new server has 14 sata disks, each of 1
TB.
The disk also has better write latency due to larger write cache.

Thanks,

Jun

On Fri, Mar 29, 2013 at 8:32 AM, Ian Friedman <i...@flurry.com (mailto:
i...@flurry.com)> wrote:

  Hi all,
I'm wondering how up to date the hardware specs listed on this page
are:
https://cwiki.apache.org/**confluence/display/KAFKA/**Operations<https://cwiki.apache.org/confluence/display/KAFKA/Operations>

We're evaluating hardware for a Kafka broker/ZK quorum buildout and
looking for some tips and/or sample configurations if anyone can help
us
out with some recommendations.

Thanks in advance,
Ian




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