On Fri, 28 May 1999 11:01:04 +0200, Jan Kara
<jack@atrey.karlin.mff.cuni.cz> said:
>> OK, it'll be slower than reserving an entry for every possible uid or
>> gid and thus being able to go straight to the relevant record, but on
>> the other hand, it can take up considerably less disc space since only
>> the records for uid's or gid's with access to that partition need be
>> stored in its quota file. It's not even much of a slowdown either.
> It won't be much slower that current implementation as it climbs tree. But
> this is hidden in ext2 implementation :-). I see the main problem in inserts
> and deletes. I agree they are not very often but spending 2 seconds on one
> insert seems too much to me :-). I'm searching the net for some interresting
> structures :-).
Why bother? The quota file can already be sparse.
~ $ ls -l /local/home/*quota*
-rw------- 1 root root 16032 Sep 21 1998 /local/home/quota.group
-rw------- 1 root root 16096 Mar 22 13:07 /local/home/quota.user
~ $ du /local/home/*quota*
13 /local/home/quota.group
17 /local/home/quota.user
~ $
--Stephen
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