What is the recommended debug level for Zabbix in a production environment?

In a production environment, the recommended debug level for Zabbix is set to "3 - Warning." This level is appropriate because it provides a balance between monitoring the system's operations and avoiding excessive logging that could lead to performance issues or overwhelming amounts of data to sift through.

A debug level of "3 - Warning" logs warning messages and above, which allows administrators to capture significant issues or anomalies without the noise created by informational or debug messages. This is crucial for maintaining optimal performance while still being alerted to potentially serious problems that may need attention.

On the other hand, lower debug levels, such as "1 - Information" or "2 - Debug," would produce an excessive volume of logs that aren't necessarily useful in a production scenario, making it more challenging to pinpoint actual issues. Higher levels, like "4 - Critical," would only log critical errors, potentially missing out on significant warnings that could indicate problems needing proactive resolution. Thus, setting the debug level to "3 - Warning" strikes the right balance for effective monitoring and response in a production setting.