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Arul

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Posted in How do i measure the time spend in a ActiveRecord callback?

I wanted to measure the time spend for validation/before_save/after_commit while saving a active record object. Is there a gem already available for it.

Posted in Is there a way to benchmark the time spent on each callbacks for a ActiveRecord?

I have 20+ before_save callbacks for a active record. Is there a way in rails to measure the time spent on each callbacks while saving a object into the store?

Posted in How do i wrap calls to update_attributes via transaction?

I have two models User/Car. User can have many Cars. How do i prevent updates to cars if my user object is invalid? Currently Rails does not wrap the attribute update(cars) in a same transaction as user.