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From Dave Viner <davevi...@gmail.com>
Subject Re: Cassandra Monitoring
Date Mon, 20 Dec 2010 03:37:38 GMT
Can you share the code for run_column_family_stores.sh ?

On Sun, Dec 19, 2010 at 6:14 PM, Edward Capriolo <edlinuxguru@gmail.com>wrote:

> On Sun, Dec 19, 2010 at 2:01 PM, Ran Tavory <rantav@gmail.com> wrote:
> > Mx4j is in process, same jvm, you just need to throw mx4j-tools.jar in
> > the lib before you start Cassandra jmx-to-rest runs in a separate jvm.
> >  It also has a nice useful HTML interface that you can look into any
> > running host.
> >
> > On Sunday, December 19, 2010, Dave Viner <daveviner@gmail.com> wrote:
> >> How does mx4j compare with the earlier jmx-to-rest bridge listed in the
> operations page:
> >> "JMX-to-REST bridge available at
> http://code.google.com/p/polarrose-jmx-rest-bridge"
> >>
> >> ThanksDave Viner
> >>
> >>
> >> On Sun, Dec 19, 2010 at 7:01 AM, Ran Tavory <rantav@gmail.com> wrote:
> >> FYI, I just added an mx4j section to the bottom of this page
> http://wiki.apache.org/cassandra/Operations
> >>
> >>
> >> On Sun, Dec 19, 2010 at 4:30 PM, Jonathan Ellis <jbellis@gmail.com>
> wrote:
> >> mx4j? https://issues.apache.org/jira/browse/CASSANDRA-1068
> >>
> >>
> >>
> >>
> >> On Sun, Dec 19, 2010 at 8:36 AM, Peter Schuller <
> peter.schuller@infidyne.com> wrote:
> >>> How / what are you monitoring? Best practices someone?
> >>
> >> I recently set up monitoring using the cassandra-munin-plugins
> >> (https://github.com/jamesgolick/cassandra-munin-plugins). However, due
> >> to various little details that wasn't too fun to integrate properly
> >> with munin-node-configure and automated configuration management. A
> >> problem is also the starting of a JVM for each use of jmxquery, which
> >> can become a problem with many column families.
> >>
> >> I like your web server idea. Something persistent that can sit there
> >> and do the JMX acrobatics, and expose something more easily consumed
> >> for stuff like munin/zabbix/etc. It would be pretty nice to have that
> >> out of the box with Cassandra, though I expect that would be
> >> considered bloat. :)
> >>
> >> --
> >> / Peter Schuller
> >>
> >>
> >> --
> >> Jonathan Ellis
> >> Project Chair, Apache Cassandra
> >> co-founder of Riptano, the source for professional Cassandra support
> >> http://riptano.com
> >>
> >>
> >> --
> >> /Ran
> >>
> >>
> >>
> >>
> >
> > --
> > /Ran
> >
>
> There is a lot of overhead on your monitoring station to kick up so
> many JMX connections. There can also be nat/hostname problems for
> remote JMX.
>
> My solution is to execute JMX over nagios remote plugin executor (NRPE).
>
> command[run_column_family_stores]=/usr/lib64/nagios/plugins/run_column_family_stores.sh
> $ARG1$ $ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$
>
> Maybe not as fancy as a rest-jmx bridge, but solves most of the RMI
> issues involved in pulling stats over JMX,
>

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