Tom Lane <t...@sss.pgh.pa.us> wrote: > Josh Berkus <j...@agliodbs.com> writes: >> This is an anti-wraparound vacuum, so it could have something to >> do with the hint bits. Maybe it's setting the freeze bit on >> every page, and writing them one page at a time? > > That would explain all the writes, but it doesn't seem to explain > why your two servers aren't behaving similarly. One was bulk-loaded from the other, or they were bulk-loaded at different times? Or one had some other activity that boosted the xid count, possibly in another database? -Kevin
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