"Kevin Grittner" <[EMAIL PROTECTED]> writes:
> On Thu, Sep 6, 2007 at 11:27 AM, in message
> <[EMAIL PROTECTED]>, Greg Smith
> <[EMAIL PROTECTED]> wrote: 
>> With the default delay of 200ms, this has the LRU-writer scanning the 
>> whole pool every 1 second,
> Whoa!  Apparently I've totally misread the documentation.  I thought that
> the bgwriter_lru_percent was scanned from the lru end each time; I would
> not expect that it would ever get beyond the oldest 10%.

I believe you're correct and Greg got this wrong.  I won't draw any
conclusions about whether the LRU stuff is actually doing you any good

                        regards, tom lane

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