On Fri, 2013-02-15 at 14:57 +1030, Jesse Reynolds wrote: > Hello, > > We're building a new collectd + RRD server on Ubuntu 12.04. I'm > wondering if anyone has any thoughts on filesystem tuning (and > filesystem format). We have created a ~1 TB RAID 5 volume over local > SSD drives for the RRD filesystem. > > Is there a favoured filesystem? Currently it's ext4. Should we > consider / benchmark anything else? > > Normally I think smaller block size is recommended for RRD file > systems, but given we have pretty large RRD files (eg 30 MB - we keep > a lot of high resolution metrics) - perhaps this isn't as important? > > Journaling? > > mount options: > - noatime > - nodiratime > - discard > - anything else? > > Does the libeatmydata LD_PRELOAD library help smooth out disk IO / > increase effective throughput? > > Thanks for your thoughts! > > Jesse > > >
Looks like you've done your homework - I would only say to make sure you are aligned on the SSD blocks. Not sure if rrdcached would be useful for you or not. -C _______________________________________________ collectd mailing list [email protected] http://mailman.verplant.org/listinfo/collectd
