[rrd-users] Re: fetch resolution??

[Alex van den Bogaerdt]

Carlos Carvalho wrote:

> % rrdtool fetch archive.rrd AVERAGE > dump
> % rrdtool fetch archive.rrd AVERAGE -r 600 > dump-600

This second line will only work when the current time is
an exact multiple of 600.  So, you have a chance of 1:600
that this works.

Try something like:

NOW=`date +%s`
END=$((NOW/600*600))
rrdtool fetch archive.rrd AVERAGE --end $END -r 600

if this doesn't work on your platform:
$((NOW/600*600)) should create 994115400 out of 994115464.
994115464 = n*600 + 64 where n is some integer.

HTH
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