[vdr] Re: Speed up the opening of Recordingsmenu ?

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Emil Naepflein wrote:
> 
> On Wed, 10 Jul 2002 10:35:02 +0200, "Rienecker, Fa. Evenio, ITS P, M"
> <C.Rienecker@deutschepost.de> wrote:
> 
> > Maybe we should try a different approach:
> > I tested xfs a while ago.
> > IIRC the find command was extremely fast even on large fs.
> > This is a feature of the implementation SGI chose for xfs.
> > Anybody willing to try ?
> 
> We have discussed this to death already several times. ;-)
> 
> The problem is that on a busy system (multiple recordings, playbacks)
> all the necessary information for the recordings menu is pushed out of
> memory. Rereading this information from disk takes a long time because
> the disks are already busy and a lot of seeks are necessary.
> 
> IMHO, this could only be fixed if the large data streams are limited in
> the use of memory buffers. As the information is only read/write once it
> is pretty useless to keep this info in memory and pushing out other
> valuable data from the buffers.

Is there anything VDR could do to achieve this?
I haven't found anything in the GNU Library Refrence Manual that would
allow an application to limits the size of the system's disk buffers
for a particular file handle.

Klaus
-- 
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Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
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