[rrd-developers] teting mmap/mtime updates

Mark Plaksin happy at usg.edu
Sun Dec 7 22:16:01 CET 2008

Tobias Oetiker <tobi at oetiker.ch> writes:

> Hi,
> did you have trouble with rrdtool update not updating the timestamp
> of the rrd file?

Yes :)

>   please test this little bit of c-code
> does it compain on your platform.

On almost-up-to-date RHEL5 it says:

msync(x,y,MS_ASYNC) does NOT update mtime

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