"Joshua D. Drake" <[EMAIL PROTECTED]> writes:
> I was recently involved in a project where we had to decrease the 
> checkpoint_timeout . The problem was, that the database was performing 
> so many transactions that if we waiting for 5 minutes, checkpoint would 
> take entirely too long.

Seems like the correct fix for that is to make the bgwriter more
aggressive.  Narrowing the checkpoint spacing is a pretty horrid answer
because of the resulting increase in full-page-image WAL traffic.

                        regards, tom lane

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