Overview of the cacti monitoring tool for my presentation at DevOpsDC

1. CACTI
Domenick Petrella
domenick.petrella@gmail.com

2. CACTI OVERVIEW
 What cacti is
 Principles of operation
 Organization
 MySQL plugin
 Links

3. WHAT CACTI IS
 cacti is a front end for RRDtool
 Provides:
 a web GUI for configuring RRDtool and organizing graphs
 storage of administrative config data in mysql, data from monitored devices in
RRDs with good historical view of data
 choice of pollers
 php-based poller
 spine, a C-based binary poller for larger installations
 boost plugin to optimize I/O
 an extensible framework to plug in other applications, or to gather data from SNMP
polls and external scripts
 user authentication and per-user settings
 Alerting capability provided by thold plugin

4. PRINCIPLES OF OPERATION

5. ORGANIZATION

6. MYSQL PLUGIN
 Has monitoring templates for MySQL, Apache, memcached,
mongodb, and more
 We use about 50 graphs per database host
 MySQL statistics are gathered with standard queries to the
database
 System metrics are gathered with a command run on the target
over ssh

7. MYSQL GRAPH EXAMPLES

8. LINKS
 Main site: http://www.cacti.net/
 thold plugin: http://docs.cacti.net/plugin:thold
 Plugin contribs: http://docs.cacti.net/plugins http://cactiusers.org/
 Preconfigured distro: http://cactiez.cactiusers.org/
 iDevice client: http://webin-apps.com/apps/icacti
 MySQL plugins: http://code.google.com/p/mysql-cacti-templates/