Anyone has Cassandra's cacti templates for server 0.7.4+? On 20 December 2010 17:40, Edward Capriolo <edlinuxg...@gmail.com> wrote: > On Sun, Dec 19, 2010 at 10:37 PM, Dave Viner <davevi...@gmail.com> wrote: >> Can you share the code for run_column_family_stores.sh ? >> >> On Sun, Dec 19, 2010 at 6:14 PM, Edward Capriolo <edlinuxg...@gmail.com> >> wrote: >>> >>> On Sun, Dec 19, 2010 at 2:01 PM, Ran Tavory <ran...@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 <davevi...@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 <ran...@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 <jbel...@gmail.com> >>> >> wrote: >>> >> mx4j? https://issues.apache.org/jira/browse/CASSANDRA-1068 >>> >> >>> >> >>> >> >>> >> >>> >> On Sun, Dec 19, 2010 at 8:36 AM, Peter Schuller >>> >> <peter.schul...@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, >> >> > > That script is just a wrapper: > > For example we can have our NMS directly call the JMX fetch code like this: > java -cp /usr/lib64/nagios/plugins/cassandra-cacti-m6.jar > com.jointhegrid.m6.cassandra.CFStores > service:jmx:rmi:///jndi/rmi://<host>:<port>/jmxrmi <user> <pass> > org.apache.cassandra.db:columnfamily=<columnfamily>,keyspace=<keyspace>,type=ColumnFamilyStores > > But as mentioned this puts a lot of pressure on the monitoring node to > open up all these JMX connections. With NRPE I can "farm" the requests > out over NRPE. Nodes end up executing their checks locally. > > # cat /usr/lib64/nagios/plugins/run_column_family_stores.sh > java -cp /usr/lib64/nagios/plugins/cassandra-cacti-m6.jar > com.jointhegrid.m6.cassandra.CFStores > service:jmx:rmi:///jndi/rmi://${1}:${2}/jmxrmi ${3} ${4} > org.apache.cassandra.db:columnfamily=${5},keyspace=${6},type=ColumnFamilyStores > > All the code is up here: > http://www.jointhegrid.com/cassandra/cassandra-cacti-m6.jsp > http://www.jointhegrid.com/svn/cassandra-cacti-m6/trunk/src/com/jointhegrid/m6/cassandra/CFStores.java > > My main goal was to point out that you do not need REST bridges and > embedded web servers to run JMX checks remotely. >
-- Albert Vila Puig <a...@imente.com> iMente.com <http://www.imente.com>
