[collectd] rrdtool plugin: no LAST?

Travis Crowder travis.crowder at spechal.com
Tue Jul 31 00:33:08 CEST 2012

FYI: I just added LAST to utils_rrdcreate.c on line 47, recompiled and I 
get LAST RRA data.

I am not sure of the integrity, but it seems to work as expected.


On 7/29/2012 10:01 AM, Bruno Prémont wrote:
> On Sun, 29 July 2012 Mark <gajillion at gmail.com> wrote:
>> Thanks. Is there an official patch to support LAST or is it a
>> roll-your-own? Do I need to patch just the server or all of the clients as
>> well? We're using the EPEL version of collectd and I'd rather not vary from
>> that for the clients.
> Patching server only would be sufficient, the client's don't even need
> rrdtool/rrdcached plugins.
> Bruno
>> Mark
>> On Sat, Jul 28, 2012 at 1:42 AM, <collectd at faxm0dem.org> wrote:
>>> Hi,
>>> On Fri, Jul 27, 2012 at 02:56:54PM -0700, Mark wrote:
>>>> Most of our Cacti graphs use LAST to display the current value. Am I
>>>> missing something obvious or is LAST just not supported?
>>> You are correct in the assumption that neither rrdtool nor rrdcached
>>> plugins
>>> create LAST RRAs for you. There has been some discussion to improve these
>>> plugins' configurability, and you're most welcome to +1 this. As a
>>> workaround, you can either create the rrds on your own, or use some contrib
>>> scripts in rrdtool dist to add the RRAs tou your existing files.
>>> however, the best would probably be to patch collectd (it's an easy fix).
>>> Cheers
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