What are some common Rails performance gotchas? Just a tweet would be great, but links to blog posts, diagnostics, etc. would be awesome too
@d_evolute how do you tell the difference between User.all.map(&:tags) and current_user.tags? @jackdanger
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@wycats@jackdanger all calls each. For curren_user ... No idea. -
@d_evolute That's the problem. Having a big list that could be triggering ?N+1 and a single record that isn't.@jackdanger -
@wycats@jackdanger each would have to do the job. But not sure right now .
End of conversation
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