Graph Utils (Open-Source)

Max perldork at
Sat Feb 19 19:25:55 CST 2011

Twitter is releasing a high volume metrics collection store based on
cassandra as open source soon - if you will be scaling big, might be
worth looking into.

On 2/19/11, Max <perldork at> wrote:
> Even with rrdcached, the I/O from many RRD files being updated often
> will hammer the I/O subsydtem of most hosts :)
> We have a host with around 50k RRD data files and rrdcached running,
> most are updated every 5 mins, some every minute (Nagios + PNP) - with
> RAID 10 and 10k rpm disks the io wait on the system hangs out at about
> 15-20 pct, while load hangs around 1-2.
> I like rrd a lot but scaling it is hard.
> Max
> On 2/19/11, Rene Skjoldmose <rene.skjoldmose at> wrote:
>> On 2011-02-18 22:03, Max Pierson wrote:
>>> Nothing at all :)    My problem is with rrdtool. It doesn't scale for
>>> this
>>> project. I was looking into GNUplot, but wanted to see what else was out
>>> there as well.
>> Is scaling of rrdtool still a problem for you with rrdcached?
>> Cheers,
>> René

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