Do you mean 'weathermap' as in the third party plugin ? If so you would need to ensure weathermap hits rrdcached to do a flush when it does a fetch.
From: Mathieu POUSSIN <Mathieu.POUSSIN@oxalide.commailto:Mathieu.POUSSIN@oxalide.com> Reply-To: Observium <observium@observium.orgmailto:observium@observium.org> Date: Friday, 24 October 2014 11:59 pm To: Observium <observium@observium.orgmailto:observium@observium.org> Subject: Re: [Observium] Reduce your storage IO with rrdcached
Nice, it’s working.
But I see it’s not working when using the weathermap (it can’t read the last rrd values anymore so all links are shown as « 0 »).
Have you any idea of workaround for this ? I tried to reduce a lot the timers but I completely lost the performance advantages (weathermap is generated every 5 minutes in my setup)
De : observium [mailto:observium-bounces@observium.org] De la part de Peter Childs Envoyé : vendredi 24 octobre 2014 05:44 À : Observium Network Observation System Objet : Re: [Observium] Reduce your storage IO with rrdcached
Nice stuff. There is some interesting reading here on tuning dirty writes - https://code.google.com/p/epicnms/wiki/Scaling
From: Markus Klock <markus@best-practice.semailto:markus@best-practice.se> Reply-To: Observium <observium@observium.orgmailto:observium@observium.org> Date: Friday, 24 October 2014 7:57 am To: Observium <observium@observium.orgmailto:observium@observium.org> Subject: [Observium] Reduce your storage IO with rrdcached
There was some discussion on IRC the other day about rrdcached and how it can be used with Observium to reduce your storage IO a lot when polling a huge amount of interfaces. However, not a lot of documentation exists yet on how to get rrdcached to work with observium. I did some trial and error and found a working method and wrote a quick and dirty guide. You can find it here: http://blog.best-practice.se/2014/10/using-rrdcached-with-observium.html Feedback is highly appreciated!
/Markus