[Live-devel] CPU usage is high when there are 64 concurrentsessions.

[Colin Caughie]

Are you a) using interleaved mode and b) not processing one or more of
the streams in the session (e.g. throwing away an audio stream)?

 

If so, it could be the issue I reported here:
http://lists.live555.com/pipermail/live-devel/2013-April/016796.html

 

From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of West Chen
Sent: Wednesday, July 10, 2013 7:33 PM
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] CPU usage is high when there are 64
concurrentsessions.

 

Dear Ross,

 

I do modify the macro FD_SETSIZE=1024, but the situation is still the
same.

Or is there any other limitation that might help?

 

Thank you for your quick reply!

 

2013/7/11 Ross Finlayson <finlayson at live555.com>

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.

 

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
http://www.live555.com/liveMedia/faq.html#scalability

 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/ 

 


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