rrdtool help

William Muriithi william.muriithi-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Wed Sep 10 15:04:59 UTC 2008


Watson,

Try

rrdtool fetch ./data/vmstat_all_kthr.rrd AVERAGE -step 300  -s '13:40
21.8.08' -e '14:40 21.8.08' |head


Regards,

William
2008/9/10 Neil Watson <tlug-neil-8agRmHhQ+n2CxnSzwYWP7Q at public.gmane.org>:
> I'm not very experienced with rrdtool. I'm trying to extract some data
> points
> at 5 minute intervals.
>
> bash-2.05$ rrdtool fetch ./data/vmstat_all_kthr.rrd AVERAGE -r 300 \
>    -s '13:40 21.8.08' -e '14:40 21.8.08' |head
>
> r             b             w
> 1219340400: NaN NaN NaN
> 1219340430: NaN NaN NaN
> 1219340460: NaN NaN NaN
> 1219340490: NaN NaN NaN
> 1219340520: NaN NaN NaN
> 1219340550: NaN NaN NaN
> 1219340580: NaN NaN NaN
> 1219340610: NaN NaN NaN
>
> The data is coming out in 30 second intervals and not the 5 minutes that I
> expected. What have I missed?
>
> --
> Neil Watson
> System Administrator for hire http://watson-wilson.ca
> --
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