On Wed, 27 May 2009, Alan McKay wrote:
During Greg Smith's lecture last week I could have sworn I saw on the screen at some point a really long command line for bonnie++ - with all the switches he uses.
You're probably thinking of the one I showed for sysbench, showing how to use it to run a true random seeks/second with client load and size as inputs. I never run anything complicated with bonnie++ because the main things I'd like to vary aren't there in the stable version anyway. I've found its main value is to give an easy to replicate test result, and adding more switches moves away from that. If you want to tweak the values extensively, you probably should start climbing the learning curve for iozone or fio instead.
That said, the latest unstable bonnie++ finally includes some concurrency features that make tweaking it more useful, Josh Berkus's "Whack-a-mole" tutorial showed some example while I just mentioned it in passing. I'm waiting until the 2.0 version comes out before I start switching my examples over to it, again because of vendor repeatibility concerns.
-- * Greg Smith gsmith@xxxxxxxxxxxxx http://www.gregsmith.com Baltimore, MD -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
