On Fri, 28 Dec 2007, Steve Totaro wrote: > broadband Voice wrote: >> >> >> On 12/27/07, *broadband Voice* <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]>> wrote: >> >> I am using Asterisk and A2billing Calling Card Platform and after >> the 6th call the quality starts to degrade. The way it set up is >> the user calls into the system then dial out so I have 12 channels >> being used up but 6 active calls. Here are my specs Asterisk >> SVN-branch-1.4-r79142 on a i686 running Linux Fedora 6, Pentium 4 >> Hyper-Threading, 64 bit, 1GB of RAM, 80 GB Sata Drive, bandwidth 4 >> Mbps (1300GB/Throughput) burstable to 100Mbps. >> >> I am planning on upgrading to Intel Core 2 Duo with a clock speed >> of 1.8GHZ and 2GB Ram. Does anyone have similar situation or >> advice? Thanks. >> >> > > Your system should be able to handle that volume easily. > > What are you using for PSTN connectivity? > > I have heard of people having issues with Hyperthreading. That could be > a problem, although I have never had any issues myself. > > What does top look like? > > When I had a similar issue (voice quality while running monitor on over > seventy calls) I found a small Linux CLI app, I cannot remember the name > of it but it would give IO stats (I think it may be named IOStat or > something similar) and I could see right where the bottleneck was > (obviously disc IO but I was able to see exactly where the breaking > point was). That may help identify something.
Try: vmstat 1 IIRC, iostat is a *BSD type utility, but it's been many years since I touched BSD! It is possible to graph disk IO as well as network packet IO if required using (eg) MRTG. Gordon _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
