Replaced OpsCenter with a mix of: * metrics-graphite-3.1.0.jar installed in the same classpath of C* * Custom script to push system metrics (cpu/mem/io) * Grafana to create the dashboard * Custom repairs script
Still not optimal but getting there... Stefano On Thu, Jul 14, 2016 at 10:18 AM, Romain Hardouin <romainh...@yahoo.fr> wrote: > Hi Juho, > > Out of curiosity, which stack did you use to make your dashboard? > > Romain > > Le Jeudi 14 juillet 2016 10h43, Juho Mäkinen <juho.maki...@gmail.com> a > écrit : > > > I'm doing some work on replacing OpsCenter in out setup. I ended creating > a Docker container which contains the following features: > > - Cassandra 2.2.7 > - MX4J (a JMX to REST bridge) as a java-agent > - metrics-graphite-3.1.0.jar (export some but not all JMX to graphite) > - a custom ruby which uses MX4J to export some JMX metrics to graphite > which we don't otherwise get. > > With this I will get all our cassandra instances and their JMX exposed > data to graphite, which allows us to use Grafana and Graphite to draw > pretty dashboards. > > In addition I started writing some code which currently provides the > following features: > - A dashboard which provides a similar ring view what OpsCenter does, > with onMouseOver features to display more info on each node. > - Simple HTTP GET/POST based api to do > - Setup a new non-vnode based cluster > - Get a JSON blob on cluster information, all its tokens, machines and > so on > - Api for new cluster instances so that they can get a token slot from > the ring when they boot. > - Option to kill a dead node and mark its slot for replace, so the new > booting node can use cassandra.replace_address option. > > The node is not yet packaged in any way for distribution and some parts > depend on our Chef installation, but if there's interest I can publish at > least some parts from it. > > - Garo > > On Thu, Jul 14, 2016 at 10:54 AM, Romain Hardouin <romainh...@yahoo.fr> > wrote: > > Do you run C* on physical machine or in the cloud? If the topology doesn't > change too often you can have a look a Zabbix. The downside is that you > have to set up all the JMX metrics yourself... but that's also a good point > because you can have custom metrics. If you want nice graphs/dashboards you > can use Grafana to plot Zabbix data. (We're also using SaaS but that's not > open source). > For the rolling restart and other admin stuff we're using Rundeck. It's a > great tool when working in a team. > > (I think it's time to implement an open source alternative to OpsCenter. > If some guys are interested I'm in.) > > Best, > > Romain > > > > > Le Jeudi 14 juillet 2016 0h01, Ranjib Dey <dey.ran...@gmail.com> a écrit : > > > we use datadog (metrics emitted as raw statsd) for the dashboard. All > repair & compaction is done via blender & serf[1]. > [1]https://github.com/pagerduty/blender > > > On Wed, Jul 13, 2016 at 2:42 PM, Kevin O'Connor <ke...@reddit.com> wrote: > > Now that OpsCenter doesn't work with open source installs, are there any > runs at an open source equivalent? I'd be more interested in looking at > metrics of a running cluster and doing other tasks like managing > repairs/rolling restarts more so than historical data. > > > > > > > >
