Hi everybody,

we're facing performance problems - as mentioned weeks ago. Even if they
aren't critical, sometimes it's really annoying. I think the most probable
guilty is NFS export/mount, but maybe I am wrong.
I am writing in order to collect opinions and ideas to work on.

Here's the scenario:
Client A with RDAirPlay and playout system, server B with MySQL and audio
share (NFS exported). On the client we use a special keyboard like this
http://www.tipro.net/ecatalogue/64-programmable-keys. Every key is
associated to a key-shortcut (like CTRL+SHIFT+E or whatever). Ubuntu
catches the combo and execute a .sh file, containing a rmlsend command.
Most of them are sound panel start/stop or Next command. A bit complicated
but works.

>From the moment we press NEXT button (on our keyboard) to the moment we
actually hear sound, *sometimes* it takes like 3-500ms...

But (!) if we pre-listen the song (double click on the left side of
RDAirPlay), then when we will press NEXT it will start almost immediately,
as it were moved in cache and got ready to be played.

Do you think this delay is avoidable? Do you think it is a Linux (Ubuntu)
problem? Not-RealTime kernel? Or a NFS bad configuration? How do you set
your exports/mount?

Any idea will be appreciated.
Thank you

Alessio
www.poliradio.it
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