Zabbix 4 Network Monitoring - Third Edition

When not to use user parameters

There are also cases where user parameters are best replaced with a different solution. Usually, that will be when the following happens:

• The script takes a long time
• The script returns many values

In the first case, the script could simply time out. The default timeout on the agent side is three seconds, and it's not suggested to increase it in most cases.

In the second case, we might be interested in 100 values that a script could return in a single invocation, but Zabbix doesn't allow several values to be obtained from a single key or from a single invocation, so we would have to run the script 100 times—not very efficient.

If a script supplies values for multiple trapper items, it might be worth adding ...