[K12OSN] Client Ram

[Rob Owens]

On Sat, May 26, 2007 at 03:36:15PM -0400, Jim McQuillan wrote:
> 
> 
> Rob Owens wrote:
> >Couldn't Firefox and/or the Xserver be rewritten to behave like this:
> >
> >1) use only a certain amount of memory for cache
> >2) when that memory is full, delete the oldest cache
> >3) when a request comes in for a cached image, deliver it if it's
> >available, but...
> >4) if the requested image has been deleted from cache, then re-request the
> >image from its original source (the internet)
> 
> The Xserver doesn't know anything about the internet.  It received the 
> image from the client application (firefox).  If the Xserver deletes the 
> image, due to memory being full, it would need to tell firefox to resend 
> it.  Unfortunately, there's no mechanism for that in the X11 protocol.
> 
> Sure it could be added, but you'd have to consider whether that breaks 
> anything in the protocol.  Keeping in mind that there's an awful lot of 
> programs out there that depend on the current protocol.

Then couldn't Firefox have the logic built into it to re-retrieve the
image if a problem occurs?  Or are you saying that Firefox would have no
way of knowing that there is a problem?

-Rob