Re: file access library

[Christian Reiniger <warewolf@mayn.de>]

s369625@student.uq.edu.au wrote:

>I sent a mail about this, but I didn't see it arrive on the list so it

I didn't see it either :(

might >have been swallowed (raka's three year long email saga is still not
>over.  Can anyone tell me what the OUTBOX folder is exactly an how
>one uses it?). 

Hmm, I think it contains the mails you wrote/forwarded/... that haven't
been handed to the MTA yet.

>OK cache-after-decode sounds cool, but for other purposes library level
>caching is stupid.  OK so we are worried about the kernel dropping a
>mmapped page out of the cache.  The kernel will do that  if it has
>better things to do with that memory.  So we try to solve this "problem"
>by explicitly reading the data into a user level cache.  User level
>cache is memory, now what happens if the kernel decides it has
>better things to do with that memory?  It swaps it out.  This is _at_ least
>as bad the previous situation.

But the kernel will much more likely drop a cache page than swap out a page
belonging to some program if it has the choice. 

>Cache-after-decode is nice, I suggest we do a little design work first
>and see how far the idea can be applied.

Agreed.

Cu
	Christian
--

I am Yeti of Borg - U will b asssmsh...  assishe... as