<div dir="ltr">Dear Ross,<div><br></div><div style>I do modify the macro FD_SETSIZE=1024, but the situation is still the same.</div><div style>Or is there any other limitation that might help?</div><div style><br></div><div style>

Thank you for your quick reply!</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/7/11 Ross Finlayson <span dir="ltr"><<a href="mailto:finlayson@live555.com" target="_blank">finlayson@live555.com</a>></span><br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>I presume - from your question - that you see high CPU usage *only* when you have a large number of concurrent client connections, but not if you have a small number of concurrent client connections.</div>

<div><br></div><div>If this is the case, then the problem is almost certainly caused by you running into an OS-imposed limit on the number of open files (sockets) that can be used by a single process.  See <a href="http://www.live555.com/liveMedia/faq.html#scalability" target="_blank">http://www.live555.com/liveMedia/faq.html#scalability</a></div>

<span class="HOEnZb"><font color="#888888"><br><div>
<span style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:medium;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:medium;white-space:normal;font-family:Helvetica;word-spacing:0px">Ross Finlayson<br>

Live Networks, Inc.<br><a href="http://www.live555.com/" target="_blank">http://www.live555.com/</a></span></span>
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