[Asterisk-Users] Re: update - 512 Simultaneous Callswith DigitalRecording

[Leo Ann Boon]

asterisk at anime.net wrote:

> On Wed, 12 Apr 2006, Leo Ann Boon wrote:
>
>> I'm not sure tmpfs is the right solution for the OP's problem - disk 
>> access slowing down the system. My understanding of tmpfs is that it 
>> will swap pages in and out to/from disk. Wouldn't that be as bad as 
>> directly writing to disk? I can see tmpfs will have some advantage 
>> over direct disk IO when the files are small and short-lived, i.e. 
>> less likely to be swapped.
>
>
> One way around this is to not have swap at all. Then there is no disk 
> i/o to worry about. Everything will be in ram.
>
> This is what I do for embedded asterisk servers. tmpfs and no swap.
>
> Ram is cheap.
>
> Problem solved.

I guess it really depends on the load. The OP wants to record 512 
concurrent calls. A quick calculation would show that the system will 
need (1024 * 8Kb)/second, that's about 8Mb per second. Assuming a mobo 
with 12GB of RAM, we're looking at around 25 minutes of calls.

Sounds like a fair deal.


>
> -Dan
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> Asterisk-Users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>