Autovacuum Transaction Wraparound

From: Perumal Raj <perucinci(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Autovacuum Transaction Wraparound
Date: 2019-03-11 18:51:50
Message-ID: CALvqh4pfm2yOuOJPO3hJ+42MyEMX2kEBYNk17uF4s=dVj=KB1A@mail.gmail.com
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Hi Experts

I have noticed in my Database that, there is no regular Vacuum maintenance
happening
So i started Weekly Job across cluster. But still i am seeing gradual
growth on transacation ID.

DB is still using default autovacuum_freeze_min_age &
autovacuum_freeze_table_age.

Question : Since i am running regularly vacuum job ( weekly) and the
Transaction age is gradually growing , What is next once i hit 200M limit (
default ).
Should i increase my default value ? If so any calculation for increase the
value based on my DB transaction growth.

Thanks,
Raj

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