Ruby on Rails

On Tuesday 23 November 2010, Frederick Cheung wrote:
> On Nov 23, 12:24 pm, Michael Schuerig <mich...@schuerig.de> wrote:
> > I'm looking for a way to find the cumulative time taken by database
> > queries. In other words, I'm trying to find out which queries have
> > the biggest overall impact on application performance.
> >
> > I need an approach that works with ActiveRecord 2.1.2 and MySQL
> > 5.1. I have no qualms hacking into ARec myself, but I'd prefer an
> > existing solution if one exists.
>
> If you set the slow query log time to 0 then there are various tools
> that will analyze your queries for you eg
> http://www.maatkit.org/doc/mk-query-digest.html or
> http://www.mysqlperformanceblog.com/2006/09/06/slow-query-log-analyz
> es-tools/ (this will obviously dump a lot of data to your slow query
> log so you don't want this running 24/7)

Thanks. mk-query-digest with full logging is the best option, AFAICT.

Michael

--
Michael Schuerig
mailto:michael@schuerig.de
http://www.schuerig.de/michael/

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