[rrd-users] Re: Strange problem with rrdfetch and time

Alex van den Bogaerdt alex at ergens.op.het.net
Mon Nov 6 13:01:43 MET 2006

On Mon, Nov 06, 2006 at 11:17:23AM +0100, Luca wrote:
> Hi
> I've just installed RRDTool 1.2.15 and I have a strange problem when I fetch 
> data from a database. For example:
> # rrdtool fetch db.rrd -s '10:00 11/01/2006' -e 's+1hour' AVERAGE
> Everything seems OK, but 1136970300 is 10:05 and not 10:00.

More correct:
This is the interval starting at (10:05 - steps*stepsize) to 10:05.
In the example, steps*stepsize equals 1*300 seconds so you are looking
at data between 10:00 and 10:05.

Intervals are listed by their end-time.  You want the data starting at
10:00 and you got it.  In other words: no problem.

> I have always a 5 min delay beetween my start input time ad rrdfetch output. 
> This problem was not present with old RRDTool 1.0.42.

You used to get more than you requested.  This was fixed after 1.0.42

Alex van den Bogaerdt

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