Heikki Linnakangas <[EMAIL PROTECTED]> writes:
> The first solution that occurs to me is to force page splits to choose the
> target page so that it's blkno > the original page's blkno during vacuum.
I thought about that too, but don't like it for three reasons:
* it encourages index bloat, the more the longer the vacuum runs. Not
good, especially if you've got aggressive vacuum cost delay settings.
* there's a locking problem with respect to how you turn that behavior on.
* there's a failure mode where the behavior doesn't get turned off if
vacuum fails partway through.
regards, tom lane
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TIP 5: don't forget to increase your free space map settings
