Re: [squid-users] Yet even More on - How does (AUFS) squid decide whi

From: Henrik Nordstrom <henrik@dont-contact.us>
Date: Sat, 25 Aug 2007 09:45:10 +0200

On lör, 2007-08-25 at 00:26 -0700, Nicole wrote:

> Indeed it seems that L2 is also equal to the number of files that will be
> placed into each of the 256 directories.

Yes.

> So, at least based on what I am seeing (unless its a bug or just some wierd
> thing I am seeing) the L1 X L2 determines the total number of objects that are
> storeable. Thus your calculations for L1 and using file size. So, if you make
> L1 too small, regardless of how many MB's you allot for usage, depending on
> your objects (file) sizes, you might never get to that storage limit as you may
> hit a per object limit before you hit your storage size limit.

No, it will still store up to the cache_dir size, but it then wraps
around to the first directory again..

l1 = (nr / L2 / L2) % L1
l2 = (nr / L2) % L2
  
> I hope I didn't just discover something myself everyone else already new.
> I haven't seen this documented anyplace.

It's been discussed many times here on squid-users at least.

Regards
Henrik

Received on Sat Aug 25 2007 - 01:45:17 MDT

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