Concepts > Attributes (MetaAttributes) > FREEZE TABLE AGE \ PostgreSQL
FREEZE TABLE AGE \ PostgreSQL
VACUUM performs a whole-table scan if the table's pg_class.relminmxid field has reached the
age specified by this setting. The default is 150 million multixacts. Although users can set this
value anywhere from zero to two billions, VACUUM will silently limit the effective value to 95%
of autovacuum_multixact_freeze_max_age, so that a periodical manual VACUUM has a chance
to run before an anti-wraparound is launched for the table.
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