[CentOS] Size of /var/log/lastlog

[Les Mikesell]

On Sun, 2005-11-06 at 16:00, Matt Hyclak wrote:
 
> 
> 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.

-- 
  Les Mikesell
   lesmikesell at gmail.com