Fix autovacuum log output heap truncation issue.
The percentage of blocks from the table value reported by autovacuum log
output (following commit 5100010ee4d) should never exceed 100% because
it describes the state of the table back when lazy_vacuum() was called.
The value could nevertheless exceed 100% in the event of heap relation
truncation. We failed to compensate for how truncation affects
rel_pages.
Fix the faulty accounting by using the original rel_pages value instead
of the current/final rel_pages value.
Reported-By: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20210423204306.5osfpkt2ggaedyvy@alap3.anarazel.de
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/fbe9b80610fe17ed27ee318bdc5ba06ed86b1a71
Modified Files
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src/backend/access/heap/vacuumlazy.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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