Messages in this thread | | | Date | Tue, 3 Mar 1998 22:41:01 GMT | From | "Stephen C. Tweedie" <> | Subject | Re: Big files in ext2fs (but not i_osync) |
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Hi,
On Tue, 3 Mar 1998 08:44:28 +0100 (MET), Rik van Riel <H.H.vanRiel@fys.ruu.nl> said:
> On Tue, 3 Mar 1998, Itai Nahshon wrote: >> My estimate is that a btree/extents based structure will pay for itself >> only if the average extent for large files is more than 12 blocks.
> It usually is far above that, but if we want to be sure, > we could increase the preallocation to 16 or even 32 > blocks... (maybe sysctl tunable, or as a mount option) > Only sparse files will be relatively expensive, but still > less expensive than today...
I've already got patches to make the preallocation tunable, with separate preallocation handling for directories.
--Stephen
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