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CheckSystem causes system hang every ~20 minutes. #619
Issue and Steps to Reproduce
Steps to reproduce: Start NSCP. No external monitoring or remote access is necessary to reproduce
NSCP should not cause system-wide performance issues.
The performance issues are most noticed in response times for IIS web pages (identified by the
These performance issues can be exactly correlated with ~3% CPU utilization by
Having enabled WMI trace logging (https://docs.microsoft.com/en-us/windows/desktop/WmiSdk/tracing-wmi-activity) via
This appears to be the same scenarios as described here: martinlindhe/wmi_exporter#89
According to that thread, it looks like the PDH queries should not cause this lag, but only WMI queries will. The NSCP source code seems to use PDH for most counters, but the networking counters still appear to use WMI.
I don't see an easy way to disable network counters from the
I just discovered the disable option for