i posted your slide on the ganglia web site (http://ganglia.info)... hope that's ok... happy to hear that ganglia is so useful for you and your team.
flickr rocks -matt On Fri, 2007-04-27 at 06:00 -0700, john allspaw wrote: > Slides are here: > http://www.kitchensoap.com/2007/04/27/slides-from-capacity-planning-for-lamp-talk-at-mysql-conf-2007/ > > A lot of folks at the talk asked about rrd storage, and some folks nodded > when I mentioned we store our rrds on ramdisk and then sync them to disk > periodically. Also a couple of people mentioned hacking on the templates, so > I thought I'd mention what we've done at Flickr: > > - put a stacked graph of the chosen metric *above* the individual node rrds > in a cluster. This way, we can see things like "total hits" without having > to wait for >100 nodes to draw their own graphs. > - changed the web frontend so you can put arbitrary time values, like > h,m,d,w,m for hours, months, etc. So: "r=8h" will show you 8 hours. > - added the custom graph add-on (thank you, Alex you deserve a beer bought > for you) > (from here: http://wtf.ath.cx/screenshots.html) > > My impression is that a lot of folks in the web world use ganglia, and have > written again and again some of these changes to make it more useful for > them. I'm almost sure that the majority of hacks are on the interface, not > really with gmond or gmetad code. We have custom gmetrics for measuring Squid > use, memcached, MySQL, Apache, even OS level metrics (context switches, for > example) that others would find super useful. I realized at the talk that I > got the first version of my memcached gmetric script from someone at > Facebook, secondhand, before I added to it. > > Is there any plans to revive the gmetric repository ? I think a lot on this > list would contribute to it. I would. > -john > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > ------------------------------------------------------------------------- > 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
