My experience while looking for a replacement on https://medium.com/@mlowicki/alternatives-to-datastax-opscenter-8ad893efe063 <https://medium.com/@mlowicki/alternatives-to-datastax-opscenter-8ad893efe063#.icv7eukko> <https://medium.com/@mlowicki/alternatives-to-datastax-opscenter-8ad893efe063#.icv7eukko> On Thursday, 14 July 2016, Stefano Ortolani <ostef...@gmail.com> wrote:
> 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 > <javascript:_e(%7B%7D,'cvml','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 >> <javascript:_e(%7B%7D,'cvml','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 >> <javascript:_e(%7B%7D,'cvml','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 >> <javascript:_e(%7B%7D,'cvml','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 >> <javascript:_e(%7B%7D,'cvml','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. >> >> >> >> >> >> >> >> > -- BR, Michał Łowicki
