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Re: Number of Spindles

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On 04.12.08 04:39, Nyamul Hassan wrote:
> Why aren't there any (or marginal / insignificant) improvements over 3 
> spindles?  Is it because squid is a single threaded application?

I would neither thinkg about the first one.
Maybe there's some CPU limit in testers' system.

> On this note, what impact does the L1 and L2 directories have on AUFS 
> performance?  I understand that these are there to control the number of 
> objects in each folder.  But, what would be a good number of files to keep 
> in a directory, performance wise?

many filesystems work bad when there's too much of directory entries.
smaller values should help. the number_of_files/(l1*l2) should not be bigger
than any of l1 and l2.  With default values (16 256) you should not have
more than 1 million (~ 16*256*256) of entries. For more, increase L1...

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