[rrd-users] rrdtool update slow (a lot of rrds)

[Tobias Oetiker]

Today Richard Burton wrote:

> Hi
>
> I would take a look at RRDCached. It is designed to be used when performance is important.
>
> http://oss.oetiker.ch/rrdtool/doc/rrdcached.en.html

I would be amazed if it made much of a difference on a tmpfs filesystem.

cheers
tobi


> Thanks
>
> Richard
>
> -----Original Message-----
> From: rrd-users [mailto:rrd-users-bounces+richard=atomwide.com at lists.oetiker.ch] On Behalf Of Helios
> Sent: 25 June 2015 11:07
> To: rrd-users at lists.oetiker.ch
> Subject: [rrd-users] rrdtool update slow (a lot of rrds)
>
> Hi,
>
> I have about 3000 rrd's with 3 data sources each.
> An update of them is taking very long. It's taking about 5 minutes to update all rrds (equals 0.1s per RRD). It seems to be CPU-limited, since the rrds are on a tmpfs.
>
> Is there a way to speed things up? I'd like to have one update per minute.
>
> _______________________________________________
> rrd-users mailing list
> rrd-users at lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902