On Fri, 2007-06-22 at 16:57 -0400, Greg Smith wrote:
> If you're not, I think you should be.  Keeping that replay interval
> time down was one of the reasons why the people I was working with
> were displeased with the implications of the very spread out style of
> some LDC tunings.  They were already unhappy with the implied recovery
> time of how high they had to set checkpoint_settings for good
> performance, and making it that much bigger aggrevates the issue.
> Given a knob where the LDC can be spread out a bit but not across the
> entire interval, that makes it easier to control how much expansion
> there is relative to the current behavior. 

We won't need to set checkpoint_settings so high, since performance is
smoothed across checkpoints by LDC and its OK to allow them more
frequently. So this concern need not apply with LDC.

  Simon Riggs             
  EnterpriseDB   http://www.enterprisedb.com

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