On Thu, Dec 9, 2010 at 10:23 AM, Victor Cisneiros <li...@ruby-forum.com> wrote: > Sorry I have never used any profiler tool, I just read here > (http://www.infoq.com/articles/Rails-Performance) that the link_to > helper can be slow and tried removing it
Have you tried erubis? It says to be 10 times faster than ERB. erubis has a feature that you can preprocess your template code to be just evaluated one time. Check section 5.2 in http://www.kuwata-lab.com/erubis/users-guide.05.html#topics-rails. Has anyone used erubis? I'm curious if using it really brings all this performance improvement. > > I suggest you look at the logs to determine if it's the rendering or the > activerecord that is causing the performance problems in your > application > > If your database is too big (hundreds of thousands of rows) your queries > may run slow if they are not using the indexes. Use EXPLAIN + the sql to > verify if the indexes are being used > > You may also need to use includes or joins to avoid too many queries. > The infoq link i posted before explain how to do this > > If the problem is in the rendering try removing some of the helpers such > as link_to and check if performance improves. You may also use fragment > caching to speed up > > There's also this page in the rails guides about profilers. I've never > used it so I don't know if it helps > http://guides.rubyonrails.org/performance_testing.html > > And also this railscast > http://railscasts.com/episodes/161-three-profiling-tools > > -- > Posted via http://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
