I have a table that is never updated, only INSERTED into. Is there a way I can prevent vacuum wasting time on this table besides vacuuming each table in the db by itself and omitting this table?
How feasable would it be to have a marker somewhere in pg that is "updated since last vacuum" that would be cleared when vacuum runs, and if set vacuum will ignore that table?
Or even better an offset into the datatable for the earliest deleted row, so if you have a table where you update the row shortly after insert and then never touch it vacuum can skip most of the table (inserts are done at the end of the table, right?)
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