[CentOS] Size of /var/log/lastlog

Miskell, Craig Craig.Miskell at agresearch.co.nz
Mon Nov 7 00:24:13 UTC 2005

> > 
> > There have been a couple. The deal is that lastlog is a 
> sparse file that is
> > indexed by UID. On an x86_64 system, UIDs are 32-bit, which 
> means a 1.2TB
> > file, but because it's sparse, it doesn't actually take up 
> any disk space. 
> It does make a good test case for whether your backup method
> handles sparse files gracefully, though.  And how long it takes
> to read through even if it does.

Legato Networker packs a sad (it handles sparse files, but it takes a
*very* long time to do so). ;-)

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