[Asterisk-Users] Asterisk CPU priorities (nice?)

Gilad Ben-Yossef gilad at codefidence.com
Mon Jan 3 10:49:23 MST 2005


Justin Carlson wrote:
> what is wrong with running asterisk with the -pg flags at startup?

Which is exactly what I suggested:

>>
>>Since VoIP is a real time activity, simple "nice" really isn't enough. 
>>What you should do is mark the Asterisk proccess as a real time task for 
>>the Linux kernel to schedule accordingly. You can do this with Asterisk 
>>by passing the "-p" option to the Asterisk command line.
>>

And the warning still holds:

>>A warning is due here: real time priority scheduled tasks are not 
>>something to be toyed with. You need to be root to be able to turn on 
>>this feature (meaning you have to be running Asterisk as root). A bug in 
>>Asterisk, a problem with mpg123 or a red alert on a FXO card can very 
>>well leave your system completly non responsive - so use with care.
>>
>>Having said that, I've been running an Asterisk server on a machine 
>>which is also used as SOHO firewall and file server for year now and it 
>>works great.


Gilad



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