[rrd-users] rrdtool update slow (a lot of rrds)
tobi at oetiker.ch
Thu Jun 25 16:13:38 CEST 2015
Today Richard Burton wrote:
> I would take a look at RRDCached. It is designed to be used when performance is important.
I would be amazed if it made much of a difference on a tmpfs filesystem.
> -----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)
> 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.
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Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
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