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All, Just a quick update on our progress with the RAM disk solution for digitally recording large numbers of calls via Monitor. We are currently recording approximately 80 - 100 concurrent calls to the PCM format on our production server. We also have over 220 dynamic agents logged into 10 queues handling calls across 4 offices (1 local, 3 remote). All of our calls are SIP to SIP (a Cisco AS5400 terminates our Ts) using the u-Law codec and we do no transcoding or DSP on the Asterisk box. Yesterday, a total of over 8300 calls were handled. The box is running roughly 77% - 80% idle. As we add more clients to the box, I'll update the list with the results. For more details of our setup see here <http://thread.gmane.org/gmane.comp.telephony.pbx.asterisk.user/118497> and here <http://lists.digium.com/pipermail/asterisk-users/2005-October/127919.html>. Matthew Roth InterMedia Marketing Solutions Software Engineer and Systems Developer Ron McCarthy wrote: Also, SATA on a onboard SATA card will eat more CPU then a SCSI system. Are you running software RAID by chance with your SATA? SCSI or SCSI Raid will not each CPU near as much since the HBA does all the work and does tie up the CPU with all its I/O's. We have successfulyl recorded 5+ calls at a time via dual xeon 3.0 with 10K SCSI drives in RAID-5 with no issuses running about 30 PRI channels and anywhere from 50-75 SIP channels, all with g729 encoding. |
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