Theofilos,
see here :
http://stackoverflow.com/questions/15774423/how-set-rrd-to-store-for-2-years
On Mon, Apr 11, 2016 at 1:42 PM, theofilos moyratidis <kiko...@hotmail.com>
wrote:
> Hello Vladimir,
>
> (Your mail somehow went to the spam folder, thank god I checked the spam
> folder)
>
> My data source has already a polling interval of 1 second.
> By searching more, I found out that these samples from polling get
> averaged from the rrd-tool into a 15 second resolution and I really don't
> want that.
> Can I configure gmetad to make rrd's with step (or resolution) of 1-3
> seconds and hold data for a day max?
> They will be stored in a processed form after I finish my tasks and I
> won't need the ganglia service 24/7.
>
> Thanks,
> Theofilos Mouratidis.
>
> ------------------------------
> To: ganglia-general@lists.sourceforge.net
> From: vli...@veus.hr
> Date: Fri, 8 Apr 2016 09:47:40 -0400
> Subject: Re: [Ganglia-general] Fine grained monitoring problem
>
>
> Hi Theofilos,
>
> by default gmetad polls gmonds every 15 seconds and inserts them into
> RRDs. You can attempt to change that by adding the polling interval e.g.
> 1-3 seconds in gmetad.conf. To do so you would add it after the grid name
> e.g.
>
> data_source "my grid" 50 1.3.4.7:8655
>
> sets polling period of 50.
>
> This all said polling period of 1 second may be a bit too aggressive
> depending on the size of your cluster.
>
> Vladimir
>
> 04/08/2016 u 05:47 AM, theofilos moyratidis je napisao/la:
>
> I have a cluster and I want to get metrics every 1-3 seconds, to benchmark
> some algorithms on spark.
>
> I’ve set the data_source “my cluster name” 1 hosts…. (multicast).
>
> The UI on the hours tab, gives me the results in every 12 seconds, that’s
> too chunky for what I want to accomplish.
>
> I used the rrdtool export –step 1 etc… and I don’t get the results every
> second.
>
> What did I wrong?
>
>
>
>
>
>
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