<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On 13 Mar 2014, at 23:54, Richard Mudgett <<a href="mailto:rmudgett@digium.com">rmudgett@digium.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Mar 13, 2014 at 5:07 PM, beiyan jin <span dir="ltr"><<a href="mailto:jinbeiyan2002@yahoo.com" target="_blank">jinbeiyan2002@yahoo.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="font-size:12pt;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif"><div>
In my load test calls,</div><div>1. each call has two parties connected by meetme conference.</div><div>2. Each call is recorded by monitor.<br></div><div><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">
For every load test, before the number of concurrent calls reach 128,</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">
everything is fine. But after 128, newly started calls get dropped.</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">
Both CPU and memory are ok in the linux box hosting asterisk.</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">
<br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">The behavior is like asterisk is configured to only allow 128 concurrent <br>
</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">calls or 256 concurrent channels.</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">
<br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">If this is configured like this by default, where can I change the configuration?</div>
<div style="font-style:normal;font-size:16px;background-color:transparent;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif">If it is not configured, then why it only allows 128 concurrent calls?</div>
</div></blockquote><div><br></div><div>Sounds like the ulimit is at the default 1024. You need to increase it because<br>Asterisk needs a lot of file descriptors.<br><br></div><div>This kind of question is better asked on the asterisk-users list.<br>
</div></div></div></div></blockquote><br></div><div>Don't forget that if you are using DAHDI there are dahdi file handles that will</div><div>expire at some point and give you strange problems. We had a discussion about that</div><div>a year or two ago on the list.</div><div><br></div><div>/O</div><br></body></html>