Do you have any on_save callbacks on the table's model? Those are executing on
each run. Also, all your validations are running as well with the save. You
can ignore validations by altering your code to:
Table.find(:all).each {|e| e.save(false)}
However, your callbacks will still execute and if you have any observers, those
get called as well.
If any of those can't be skipped with a conditional, then you can always run
your updates with raw sql.
On Nov 18, 2009, at 2:17 PM, helzer wrote:
> Table.find(:all).each { |e| e.save }
>
> I have some processing per entry, but even if I remove it all and just
> do the save, it takes forever.
>
> If I return everything else and just comment out e.save it completes
> quickly.
>
> What puzzles me is that the CPU is running 100%, 95% Ruby and only 5%
> MySQL, so the actual table updates are not the problem. Active Record
> is just loading it.
>
> Amir
>
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