Chander Ganesan wrote:
Jeremy Harris wrote:
Version:
PostgreSQL 8.2.4 on i686-redhat-linux-gnu, compiled by GCC gcc (GCC)
4.1.2 20070418 (Red Hat 4.1.2-10)
We have one problematic table, which has a steady stream of entries
and a weekly mass-delete of ancient history. The "bloat" query from
Greg Sabino Mullane (thanks to Greg Smith for pointing it out) returns:
Inserts don't generate dead tuples, and AVD looks at obsolete tuples..
As such, I wouldn't expect AVD to kick off until after you did a mass
delete...assuming that delete was sizable enough to trigger a vacuum.
Ah, that would explain it - thankyou. So I need to retreat to
the question of why the weekly vacuum permits the observed bloat.
Any ideas? More information that I could gather?
Thanks,
Jeremy
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