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vacuum Archives - PostgreSQL Candies

Script for VACUUM FULL on all tables

Usual vacuum process cannot reclaim back free space from tables into OS. It just cleans deleted records and makes space in data pages but does not shrink data files. Which is OK if you keep using those tables for further updates and inserts. But if you have some...

Transaction ID wraparound

This article summarizes information I have about this problem. I know that this is not all but I did not find such a summarization anywhere therefore I place it here. Maybe it could help to someone.   Transaction ID has 32 bits. It means that after ID 2147483648...