On Mon, Jan 16, 2012 at 1:20 PM, graham etherington (TSL)
<graham.ethering...@sainsbury-laboratory.ac.uk> wrote:
> Hi Nate,
> We are getting quite large discrepancies between 'Size on disk' and
> 'Usage' numbers, so I've run the scripts/set_user_disk_usage.py script.
> When I run it, some of the 'old usage' numbers are negative numbers, e.g.
> User1 old usage: -226417886261, new usage: 139894688577
> User2 old usage: 263698720473, new usage: 68974834617
> User3 old usage: 397108490587, new usage: 406950046043
> User4 old usage: -57441684074, new usage: 7536071906
> This seems a little strange (how can a user have a 'minus' usage?). Is
> there an explanation for this?

Negative numbers here are probably a sign of integer overflow
(something too large for a signed 32 bit integer would be my

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