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PostgreSQL managed by AWS RDS - rdsadmin maxusedtransaction ID not shrinking

We are using AWS RDS Postgres. We reached the 200 million limit on one of the DB and triggered VACUUM FREEZE which took down the instance for roughly 40mins however the XID didn't shrink at all. We ...
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309 views

PostgreSQL - VACUUM speed (Heroku)

My DB have a main table that is has lots of commits on a daily basis, with about 15 indexes on this table. The table has 25M rows and the dead row count seem to exceed the number of live rows at the ...
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2k views

Postgres Vacuum in Function

After googleing a bit, it's plainly clear you cannot run vacuum from a function: Postgres mailing - Vacuum behaviour in plpgsql function You can't run VACUUM from inside a function because of ...
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Is it worth it to run VACUUM on a table that only receives INSERTs?

In a 2015 re:Invent talk, AWS mentioned that vacuum should be run not only after updates or deletes but also after inserts. Here is the relevant part of the talk: http://www.youtube.com/watch?v=...