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From "Jens Rantil" <>
Subject Re: Operating on large cluster
Date Thu, 23 Oct 2014 11:08:50 GMT

While I am nowhere close to 50+ machines I've been using Saltstack for both configuration
management as well as remote execution. I has worked great for me and supposedly scales to
1000+ machines.



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On Thu, Oct 23, 2014 at 11:18 AM, Alain RODRIGUEZ <>

> 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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