I've been trying to get to the bottom of the differences between a vacuum and a vacuum full, it seems to me that the difference is that a vacuum full also recovers disk space(and locks things making it less than useful on production servers). But I believe that both will fix the transaction ID(example message below).
"WARNING: database "mydb" must be vacuumed within 177009986 transactions
HINT: To avoid a database shutdown, execute a full-database VACUUM in "mydb"."Which is reason I ask the question, is full vacuum backup useful for anything other than reclaiming disk space.
On a side note, we doubled our page slots, but they ran out much faster(of course) than we thought, is there a good sql statement that can tell you what your current transaction ID is?
Thanks in advance.
Cheers,
Rob
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