On Jan 27, 6:26 am, Claudio Poli <[email protected]> wrote:
> 1.9.3p0 :001 > MultiJson.engine > => MultiJson::Engines::Yajl > > The key issue here is that with a large Hash the render action takes > 36786ms to finish ( of which 8253.6ms spent for the database query, > that high because of multiple ORDER BY, that's another matter). > > So I tried another way: > > render text: Yajl::Encoder.encode(my_hash) > > Using `Yajl::Encoder.encode`(or `MultiJson.encode`for that matter) > yields another kind of result: 12614ms (8253.6ms always spent on the > database query) > > Is there something we can do about this? Skimming through the code in encoding.rb (in active support) it looks like the to_json method rails adds ignores ActiveSupport::JSON.backend and just does the encoding itself. I can only imagine this is because for most people the bottleneck is parsing rather than generation. Fred > > Note: > some may point out to try few gems like `rabl`or `acts_as_api`, but > don't forget they are mainly for presentation purpose and they are > comparable to the `to_json` performance in this regard. > > Thanks for reading. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en.
