[CentOS] Size of /var/log/lastlog

Les Mikesell lesmikesell at gmail.com
Sun Nov 6 23:38:30 UTC 2005

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

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