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mvcc
2 postsPostgreSQL VACUUM's Page-Level Byte-by-Byte Inspection
PostgreSQL VACUUM's three-stage operational mechanism was analyzed at the page level using pageinspect, pg_visibility, and pg_freespacemap. The difference between LP_DEAD and LP_UNUSED becomes clearer.
Critiques of PostgreSQL's MVCC Design
Learn about the issues with PostgreSQL's MVCC design and its comparison with other database systems.
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