A former data directory subdirectory containing transaction metadata logs.
This entry relates to a PostgreSQL feature which is deprecated and may be desupported in future releases.

pg_clog was a subdirectory in the data directory PostgreSQL 9.6 and earlier) containing transaction metadata logs.

pg_clog was renamed to pg_xact in PostgreSQL 10 (commit 88e66d19).

For more details, see commit log.

Change history


Data directory, Deprecated, PostgreSQL internals, Transactions

See also

commit log, pg_xact