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Make vacuum a bit more verbose to debug BF failure.

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This is temporary. While possibly some more error checking / debugging
in this path would be a good thing, it'll not look exactly like this.

Discussion: https://postgr.es/m/20200816181604.l54m6kss5ntd6xow@alap3.anarazel.de
This commit is contained in:
Andres Freund
2020-08-16 12:57:01 -07:00
parent 676a9c3cc4
commit 49967da65a
2 changed files with 17 additions and 1 deletions
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7
src/backend/access/heap/vacuumlazy.c
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@ -1350,7 +1350,14 @@ lazy_scan_heap(Relation onerel, VacuumParams *params, LVRelStats *vacrelstats,
if (HeapTupleIsHotUpdated(&tuple) ||
HeapTupleIsHeapOnly(&tuple) ||
params->index_cleanup == VACOPT_TERNARY_DISABLED)
{
/* temporary on-bf debugging */
elog(LOG, "treating dead HOT tuple (updated %d, heap only: %d, index cleanup: %d) as alive",
HeapTupleIsHotUpdated(&tuple), HeapTupleIsHeapOnly(&tuple),
params->index_cleanup == VACOPT_TERNARY_DISABLED);
nkeep += 1;
}
else
tupgone = true; /* we can delete the tuple */
all_visible = false;