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On 2007-May-02, at 20:10, Alex van den Bogaerdt wrote: > On Wed, May 02, 2007 at 05:02:22PM -0400, Matt Pounsett wrote: > >> Thanks for the clarification.. I understand what's going on now, and >> should be able to work around it. I think we'll wind up re-creating >> these in order to get more of the data we want, later. > > Don't forget to read that fine manual on "rrdtool resize" ! > http://oss.oetiker.ch/rrdtool/doc/rrdresize.en.html Oooh.. I hadn't spotted that. Thanks, it will be extremely helpful. > Do not increase the amount of rows significantly in one go. Do this > bit by bit, or else you will see NaN a lot when you query data that > is available in other RRAs, but rrdtool selects the 5-minute RRA as > a best match. Think about this for a while if you don't get it at > first. I think this would happen anyway, wouldn't it? According to the docs, new rows are always added as old data... so if I were to double the number of rows, the RRA would just go back twice as far in the past, and the new stuff should be untouched. Shouldn't it? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (Darwin) iD8DBQFGOTv1ae4z2vjbC8sRAmLZAKDzKhyKYo0WyY56tvJflOOpqJ9yQgCdEEjb BptN1Qb3Fqm8o66IwObOWgA= =/gjf -----END PGP SIGNATURE----- _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
