Jeff Davis <[EMAIL PROTECTED]> writes:
> Absolutely. I've got a parameter in my patch "sync_scan_offset" that
> starts a seq scan N pages before the position of the last seq scan
> running on that table (or a current seq scan if there's still a scan
> going). 

Strikes me that expressing that parameter as a percentage of
shared_buffers might make it less in need of manual tuning ...

                        regards, tom lane

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