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    <div class="moz-cite-prefix">Do the calculations for both and see
      what the answer is.<br>
      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.<br>
      <br>
      Ron<br>
      <br>
      <br>
      On 23/07/2014 5:04 PM, Eduardo Leones wrote:<br>
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cite="mid:CAOQf9ZPxo63e1AbkcXj_7C=fC59hSKth7F6iYxwg3XaRpQEObQ@mail.gmail.com"
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        <div>Thanks for the feedback. </div>
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        <div>In this case SSD disks you think it solves?</div>
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          <div class="gmail_quote">2014-07-23 17:29 GMT-03:00 Scott
            Griepentrog <span dir="ltr"><<a moz-do-not-send="true"
                href="mailto:sgriepentrog@digium.com" target="_blank">sgriepentrog@digium.com</a>></span>:<br>
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                <div class="gmail_default" style="color:#660000">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.</div>
                <div class="gmail_default" style="color:#660000"><br>
                </div>
                <div class="gmail_default" style="color:#660000">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.</div>
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                    <div>On Wed, Jul 23, 2014 at 2:48 PM, Eduardo Leones
                      <span dir="ltr"><<a moz-do-not-send="true"
                          href="mailto:eduardo@ypytecnologia.com.br"
                          target="_blank">eduardo@ypytecnologia.com.br</a>></span>
                      wrote:<br>
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                          <div>people </div>
                          <div><br>
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                          <div>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). </div>
                          <div><br>
                          </div>
                          <div>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. </div>
                          <div><br>
                          </div>
                          <div>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.</div>
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                          <div>tks</div>
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                      </font></span></blockquote>
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                <span><font color="#888888"><br>
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                      <div>Scott Griepentrog<br>
                        Digium, Inc · Software Developer<br>
                        445 Jan Davis Drive NW · Huntsville, AL 35806 ·
                        US<br>
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                        4029<br>
                        Check us out at: <a moz-do-not-send="true"
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                        · <a moz-do-not-send="true"
                          href="http://asterisk.org" target="_blank">http://asterisk.org</a><br>
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    <pre class="moz-signature" cols="72">-- 
Ron Wheeler
President
Artifact Software Inc
email: <a class="moz-txt-link-abbreviated" href="mailto:rwheeler@artifact-software.com">rwheeler@artifact-software.com</a>
skype: ronaldmwheeler
phone: 866-970-2435, ext 102</pre>
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