[collectd] IO Performance

Phil Mayers p.mayers at imperial.ac.uk
Tue Mar 12 16:36:29 CET 2013

On 11/03/13 23:06, Sebastian Harl wrote:
> Hi,
> On Mon, Mar 11, 2013 at 01:06:02PM +0000, Phil Mayers wrote:
>> On 11/03/13 13:00, ml ml wrote:
>>> It handles about 3350 rrd files.
>> We have about 16,000 on a 4-core VM with 2Gb of RAM; with rrdcached
>> this works ok.
> See also <https://collectd.org/wiki/index.php/Inside_the_RRDtool_plugin>

Sure, I've seen that - useful stuff.

> for detailed background information and the solution provided by the
> rrdtool plugin or using RRDCacheD (basically a stand-alone version of
> the features provided by the rrdtool plugin plus some more
> enhancements).

For what it's worth, those enhancements made a *big* difference at our site.

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