6aa26be288
pg_get_multixact_stats() uses members_size to report the amount of
storage used by the currently retained multixact members. However,
MultiXactOffsetStorageSize() divided the member count by the number of
members per storage group before multiplying by the group size, so it
was rounding down its result and incorrectly reported zero when there
were few retained members. The calculation is changed to calculate the
same based on the member count.
While on it, this fixes a different issue in the isolation test
multixact-stats. Three fields were defined for checks related to the
oldest offset values, but were not used. The offsets existed in an
older version of the patch than what has been committed. These are
replaced by checks for members_size, checking the new calculation
formula.
Thinkos introduced in
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PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.