[MPlayer-users] Re: mplayer drops a lot of frames when playing over fast network

[Corey Hickey]

Adam Nielsen wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> Thanks for your reply!
> 
> 
>>Do you have "nfs: server foobar not responding, still trying" and "nfs:
>>server foobar OK" lines in your syslog?
>>If yes, then maybe using tcp mounts instead of udp mounts or increasing
>>the retrans value could help.
> 
> 
> No, that seems to be ok.  I don't think the problem lies with the NFS server, 
> since copying the file with 'cp' works fine (and fast.)  I've had more of a 
> fiddle, and it seems that it's the I/O causing problems - a lot of either 
> network I/O or disk I/O seems to cause mplayer's cache to run out.  Still not 
> sure why it barely goes above 50% though.
> 
> I'm trying out kernel 2.6.0 with preempt on, so I'll see if that makes a 
> difference.
> 
> Thanks,
> Adam.

You might also try reading this, if you haven't already:
http://nfs.sourceforge.net/nfs-howto/performance.html

I've found that adding rsize=8192,wsize=8192 improves transfer
performance considerably. Whether or not this alleviates your
problem, you may get better speed overall.

-Corey