Do the calculations for both and see what the answer is.
The nice thing about having a model is that you can test configurations
without actually having to build one until you are confident that it
should work.
Ron
On 23/07/2014 5:04 PM, Eduardo Leones wrote:
Thanks for the feedback.
In this case SSD disks you think it solves?
2014-07-23 17:29 GMT-03:00 Scott Griepentrog <[email protected]
<mailto:[email protected]>>:
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
<[email protected]
<mailto:[email protected]>> 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
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