Graphing Postfix with Cacti

[Updated 2015-03-09] There are a bunch of articles and information on this topic out there, but most of them either don’t work, are outdated, or are scattered across multiple pages on the Cacti forums. I’ve worked out the kinks for you, so here’s what you need to do to graph Postfix with Cacti.This was performed on Debian 6 with Cacti 0.8.7g from the apt repository but should work on other distros too.Note that this article tackles graphing the sent, received, rejected, bounced, spam, and virus statistics. It does not graph mail queues. You need two files, the first is which you’ll …

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High performance Cacti for large installations

Cacti works fine out of the box for dozens of servers, but when you start to hit the hundreds with tens of thousands of datasources you will start to run into bottlenecks, namely poll cycles exceeding 5 mins and graphs with gaps in them. Sound familair? Then read on. Strangely enough Cacti isn’t optimised for large infrastructures using the default install. You need to make a few tweaks in order to make it perform optimally with hundreds of hosts and thousands of datasources. There are three things you do. Install the Cacti Plugin Architecture, Install Boost, and tune the MySQL …

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