36 lines
2.0 KiB
Markdown
36 lines
2.0 KiB
Markdown
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---
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layout: post
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title: "Zabbix performance tip"
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date: 2011-05-13 19:03:31+00:00
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tags: [zabbix, monitoring]
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permalink: /blog/2011/5/13/zabbix-performance-tip
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published: true
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author:
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name: Gergely Polonkai
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email: gergely@polonkai.eu
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---
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Recently I have switched from [MRTG](http://oss.oetiker.ch/mrtg/) + [Cacti](http://www.cacti.net/) + [Nagios](http://www.nagios.org/) + [Gnokii](http://www.gnokii.org/) to [Zabbix](http://www.zabbix.com/), and I
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must say I’m more than satisfied with it. It can do anything the former tools
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did, and much more. First of all, it can do the same monitoring as Nagios did,
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but it does much more fine. It can check several parameters within one
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request, so network traffic is kept down. Also, its web front-end can generate
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any kinds of graphs from the collected data, which took Cacti away. Also, it
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can do SNMP queries (v1-v3), so querying my switches’ port states and traffic
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made easy, taking MRTG out of the picture (I know Cacti can do it either, it
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had historical reasons we had both tools installed). And the best part: it can
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send SMS messages via a GSM modem natively, while Nagios had to use Gnokii.
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The trade-off is, I had to install Zabbix agent on all my monitored machines,
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but I think it worths the price. I even have had to install NRPE to monitor
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some parameters, which can be a pain on Windows hosts, while Zabbix natively
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supports Windows, Linux and Mac OS/X.
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So I only had to create a MySQL database (which I already had for NOD32
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central management), and install Zabbix server. Everything went fine, until I
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reached about 1300 monitored parameters. MySQL seemed to be a bit slow on disk
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writes, so my Zabbix “queue” filled up in no time. After reading some forums,
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I decided to switch to PostgreSQL instead. Now it works like charm, even with
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the default Debian settings. However, I will have to add several more
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parameters, and my boss wants as many graphs as you can imagine, so I’m more
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than sure that I will have to fine tune my database later.
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