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From Alain RODRIGUEZ <>
Subject Operating on large cluster
Date Thu, 23 Oct 2014 09:18:08 GMT

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

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 ?


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