>> CYBT ;

Shared Memory Settings For ZoneMinder
If you see this warning in log file (/var/log/messages):
zmc_m1[*]: WAR [Buffer overrun at index *, slow down capture, speed up analysis or increase ring buffer size]

or you see the camera name in Orange color, you can solve the problem by some modifications in your system settings.

/etc/sysctl.conf

# Memory modifications for ZoneMinder (kernel.shmall = 16 MB, kernel.shmmax = 256 MB)
kernel.shmall = 16777216
kernel.shmmax = 268435456


reload sysctl.conf with: sysctl -p
check sysctl.conf with:  ipcs -l


ZoneMinder: Monitor - cam01

reduce them if you still have problem

General Tab:
Maximum FPS      :15.00
Alarm Maximum FPS :20.00

Buffers Tab:
Image Buffer Size (frames): 50


phpMyAdmin

Optimize and Repair Tables

Restart ZoneMinder


More information:

http://www.zoneminder.com/wiki/index.php/FAQ
http://en.wikipedia.org/wiki/Load_(computing)
http://rwitkop.com/VistA/ConfigureSysctl4Cache.html

 
 
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