E.11. Release Notes for Tantor SE-1C 16.4.0#
E.11. Release Notes for Tantor SE-1C 16.4.0 #
Release date: 2024-10-04
E.11.1. Review #
Tantor SE-1C is a Russian-made DBMS based on the updated and improved version of the PostgreSQL DBMS. Tantor SE-1C 16.4.0 is based on PostgreSQL 16.
Below are the additional modules and utilities added to Tantor SE-1C, as well as a list of changes to the server core.
E.11.2. DBMS Core Functionality #
The following changes have been made to improve the DBMS:
Replacing the
IN VALUESconstruct withANYin some scenarios to improve performance.Fixed incorrect selection by the scheduler in some scenarios of
Nested Loopinstead ofHash Join, which slowed down query execution.
E.11.4. Additional Supplied Programs #
The Section H.3 program has been added. pgcopydb — a tool that automates running pg_dump | pg_restore between two running Postgres servers.
E.11.5. Migration to version 16.4.0 #
When upgrading within the current major version and edition, install Tantor SE-1C 16.4.0 and restart the database server with command:
systemctl restart tantor-se-1c-server-16
To migrate from PostgreSQL or Tantor DB, first install the latest minor version and then perform a data dump/restore using pg_dumpall, or use the pg_upgrade utility.