Your bottleneck is most likely your drive bandwidth. Even with SAS drives, you'll need to move to a raid 5+ solution with 6+ drives to continue to increase the concurrent calls, or use a storage appliance.
To confirm this, install the tool nmon and use the v and d options to bring up the resource usage indicators and drive busy/throughput statistics. On Wed, Jul 23, 2014 at 2:48 PM, Eduardo Leones < edua...@ypytecnologia.com.br> wrote: > people > > I have a running Asterisk 1.8.28 in great Dell server with two xeon > processors and 16gb of ram and HD SAS 15k (Raid 1). This server is > recording all calls (placed to record the audio in a ram disk), the entire > CDR goes straight to MySQL by cdr_mysql.so. Each call runs some validation > and AGI's have an auto dialer system that generates calls over the manager. > Calls originate and terminate via SIP (no transcode). > > With this structure, even being a great server, we can not spend 150 > simultaneous calls. When it reaches 140, the load average goes up a lot and > the calls start to get very bad audio, tear, etc.. Using the top we see > that all the processing is for asterisk. In this scenario, I think there is > some limitation in Asterisk, or even the manager due to the auto dialer. > > Can anyone give me any tips where I can look where is the bottleneck? I > need to get at least 250 calls that server quality. > > tks > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- [image: Digium logo] Scott Griepentrog Digium, Inc · Software Developer 445 Jan Davis Drive NW · Huntsville, AL 35806 · US direct/fax: +1 256 428 6239 · mobile: +1 317 507 4029 Check us out at: http://digium.com · http://asterisk.org
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users