ZFS trouble: unbelievably large files created
Oliver Fromme
olli at lurza.secnetix.de
Fri Oct 15 19:09:55 UTC 2010
David Samms wrote:
> Oliver Fromme wrote:
> > What does "ls -kls" report on those files?
>
> From out side the jail....
That shouldn't matter.
> ls -kls shawxp/var/amavis/.spamBAD
> total 13352131
> 771 -rw------- 1 110 110 684032 Oct 15 12:02
> auto-whitelist
> 1 -rw------- 1 110 110 40 Oct 15 12:37 bayes.lock
> 1284 -rw------- 1 110 110 1294336 Oct 15 12:38 bayes_seen
> 4229 -rw------- 1 110 110 4227072 Oct 15 12:38 bayes_toks
> 5025103 -rw------- 1 110 110 553184002048 Oct 15 12:38
> bayes_toks.expire3515
> 8320745 -rw------- 1 110 110 140743122878464 Oct 15 12:14
> bayes_toks.expire97254
Ok, so those files are so-called "sparse" files, i.e. they
contain holes that don't actually occupy disk space.
The numbers in the first column indicate the amount of
physical disk space allocated (in KB). That's about 5 GB
for the first file and 8 GB for the second (this is also
consistent with the "total" value in the first line of the
ls output, i.e. about 13 GB).
That's still quite big, but certainly not in the TB range.
I do not know why amavis creates such large sparse files,
though.
Best regards
Oliver
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