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SubjectRe: BK performance tip (22x faster)
Chuck Lever writes:
> On Wed, 5 Jul 2000, Richard Gooch wrote:
> > I had to bump the limit on a machine here to 64k inodes, because
> > someone was generating large numbers of small files. So I'd prefer
> > a higher limit as well. Unfortunately, inodes are hugely bloated
> > (taking at least 396 bytes), so 64k inodes would take up nearly 25 MiB
> > of RAM! We probably shouldn't do that by default.
> >
> > However, I note that 2.3.99 and later don't have this control file
> > anyway. Perhaps it's dynamic now?
>
> 2.3/4 kernels use a SLAB cache for inodes, instead of an ad hoc
> cache. the old limit was used to determine when to reap inodes.
> the new system reaps them automatically when system memory is short.

Good. That's what I was hoping for.

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca

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