[OpenAFS] Tuning openafs write speed

Robert Banz banz@umbc.edu
Thu, 23 Aug 2007 15:08:58 -0400

On Aug 23, 2007, at 10:49, Kai Moritz wrote:

>> * slowest: disk cache, of course.
>> * medium: memory cache
>> * fastest: ufs filesystem on a lofi-mounted "block device" hosted  
>> in /
>> tmp  (which is in-RAM)
>> 	(I know this certainly wastes some cpu/memory resources and
>> overhead, but...  it works)
> That sound intresting!
> I will give a ramdisk a try on some test-machines and report...

Make sure  you do it with a "real" filesystem.  The AFS cache stuff  
won't work on top of most 'tmpfs' filesystems, hense the ufs- 
filesystem on the block device...