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From Roni Balthazar <>
Subject Re: Operating on large cluster
Date Thu, 23 Oct 2014 19:35:55 GMT

We use Puppet to manage our Cassandra configuration. (

You can use Cluster SSH to send commands to the server as well.

Another good choice is Saltstack.



On Thu, Oct 23, 2014 at 5:18 AM, Alain RODRIGUEZ <> wrote:

> Hi,
> I was wondering about how do you guys handle a large cluster (50+
> machines).
> I mean there is sometime you need to change configuration (cassandra.yaml)
> or send a command to one, some or all nodes (cleanup, upgradesstables,
> setstramthoughput or whatever).
> So far we have been using things like custom scripts for repairs or any
> routine maintenance and cssh for specific and one shot actions on the
> cluster. But I guess this doesn't really scale, I guess we coul use pssh
> instead. For configuration changes we use Capistrano that might scale
> properly.
> So I would like to known, what are the methods that operators use on large
> cluster out there ? Have some of you built some open sourced "cluster
> management" interfaces or scripts that could make things easier while
> operating on large Cassandra clusters ?
> Alain

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