How many devices does a Zabbix proxy support?

[nhanqv]

Hi all,

I'm investigating my project, which using Zabbix to monitor many devices. I would like to ask 2 questions that
+ How many devices does a Zabbix proxy support?
+ How many Zabbix proxies does a Zabbix server support?

Thanks in advance.

[ingus.vilnis]

Hello!

As far as I know there are environments with 200.000 monitored devices hitting 20.000 new values per second on Zabbix server.

There is not a defined amount of devices or proxies that Zabbix can monitor. Hardware and database will limit you in the first place.

Take a look at these articles:

http://blog.zabbix.com/scalable-zabbix-lessons-on-hitting-9400-nvps/2615/

https://www.zabbix.com/forum/showthread.php?t=25349

There you can read more about Zabbix in large environments and compare with requirements of your project.

Best Regards,
Ingus

[kloczek]

Hi all,

I'm investigating my project, which using Zabbix to monitor many devices. I would like to ask 2 questions that
+ How many devices does a Zabbix proxy support?
+ How many Zabbix proxies does a Zabbix server support?

Thanks in advance.

I both cases limit is not in number of monitored hosts but in number of monitored items. In both cases everything is limited by CacheConfig size. By default these caches have 8MB and can be changed. Current (zbx 2.2.3) maximum size is 8GB.
If I remember correctly about 32MB allows you to monitor about 100k items so using this number and avg number of monitored items per box in your environment you can calculate how many hosts you can monitor without increase CacheConfig.

[LenR]

And the proxy config send from the server must be under 128Mb.

Here's is a way to monitor the proxies config size. (This needs to run as a service)

#!/bin/bash
#
# Watch log for zabbix proxy events and take appropriate action (Usually invoke zabbix_sender)
#
/usr/bin/tail -F /var/log/messages | \
while read line ; do
echo "$line" | /bin/grep -q"Received configuration data from server"
if [ $? = 0 ]
then
config=`echo "$line" | awk '{print $NF}'`
/usr/bin/zabbix_sender -c /etc/zabbix/zabbix_agentd.conf -k csg.proxy.config.size -o "$config"
fi
done