Tuning Graphite for 3M points/minute with a single backend machine (a story)

They may want to look at how collectd handles updates to RRD files.

http://collectd.org/wiki/index.php/Inside_the_RRDtool_plugin

http://collectd.org/documentation/manpages/collectd.conf.5.s...

Nice. Another way to deal (at least partially) with the Bursty IO issue is to turn on the option that forces whisper to do synchronous IO. This patch has been in graphite since 0.9.8: https://bugs.launchpad.net/graphite/+bug/710269/