With linux, a simple line in /etc/fstab with a tmpfs is all that is needed:
example: none /var/lib/ganglia/rrds tmpfs size=1536M,mode=755,uid=nobody,gid=nobody 0 0 This is the howto that I know most people use: http://www.gridpp.ac.uk/tb-support/faq/gangmem.html -j ----- Original Message ---- From: Matthew Chambers <[EMAIL PROTECTED]> To: [email protected] Sent: Wednesday, July 11, 2007 1:31:29 PM Subject: Re: [Ganglia-general] RRDs in memory I like this idea as SOP (it means that large grids/clusters can deploy ganglia without worrying as much about I/O on their gmetad nodes), perhaps some proposal for how to do this the "right" way is in order, and either make the Ganglia config do it by default or at least put it in the default config but commented out. -Matt Chambers > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:ganglia- > [EMAIL PROTECTED] On Behalf Of john allspaw > Sent: Wednesday, July 11, 2007 3:27 PM > To: Ofer Inbar; [email protected] > Subject: Re: [Ganglia-general] RRDs in memory > > We do this at Flickr. tmpfs for rrds, and 10 minute rsync to persistant > disk, and building > the whole thing into the /etc/init.d/gmetad script. > > No problems, really. We've tuned the 10 minute period a bit (used to do it > more often) > but other than that, no worries: ramdisk storage for rrds is good! > > -john > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general ____________________________________________________________________________________ Luggage? GPS? Comic books? Check out fitting gifts for grads at Yahoo! Search http://search.yahoo.com/search?fr=oni_on_mail&p=graduation+gifts&cs=bz ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
