Hi Alain, We use Puppet and introducing Ansible at Sematext. Not for Cassandra, but for other similar tech.
Otis -- Monitoring * Alerting * Anomaly Detection * Centralized Log Management Solr & Elasticsearch Support * http://sematext.com/ On Thu, Oct 23, 2014 at 5:18 AM, Alain RODRIGUEZ <arodr...@gmail.com> 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 >