[collectd] RRDs on SSD - performance degredation [resend without images]
jesse at bulletproof.net
Fri Aug 16 11:19:25 CEST 2013
On 16/08/2013, at 5:16 PM, Cyril Feraudet <collectd at feraudet.com> wrote:
> Do you use rrdcached ? If not, use it and all you i/o problem will disappear.
Sounds too good to be true :-)
Is the scheduling improved somehow? Is it more efficient with writing the RRD files? It seems that it will still need to update the RRD files as the rrd plugin does now, so not sure how this means there'll be less demands placed on IO.
We're planning on switching to opentsdb but that may be a little way off.
I have looked at rrdcached. With switching to rrdcached, can you do this while keeping the RRD files in place? Or is there a migration process?
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