E.12. Release Notes for Tantor SE-1C 16.2.1#
E.12. Release Notes for Tantor SE-1C 16.2.1 #
Release date: 2024-08-01
E.12.1. Review #
Tantor SE-1C is a Russian-made DBMS based on the updated and improved version of the PostgreSQL DBMS. Tantor SE-1C 16.2.1 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.12.2. DBMS Core Functionality #
The following changes have been made to improve the DBMS:
Additional meta information about the publication and assembly information has been added to the pg_controldata server application to simplify the diagnosis of possible problems.
The database server logs are more informative: the database start messages now contain additional diagnostic information.
An improvement has been added to diagnose internal database errors: the inclusion of the
backtrace_on_internal_errorparameter, which records a stack trace forXX000errors.Optimized the operation of the SLRU cache to improve performance.
The maximum size of data in table cells supported by the pg_dump module has been increased from 1 GB to 2 GB.
General improvements and optimization of the DBMS to improve results APDEX.
Changing the values of parameters that affect performance:
The default value of the
jitparameter has been changed tooff.The default value of the
online_analyze.table_typeparameter in the online_analyze module has been changed totemporary.
Fixed an error when updating the pg_upgrade server instance:
could not open source file "/var/lib/postgresql/tantor-se-1c-16/data/pg_xact/0000": No such file or directory
E.12.3. Additional Supplied Modules #
An extension for transparent anonymization of transp_anon has been added. It allows you to mask or replace confidential personal or commercially sensitive data in the database.
A number of improvements have been made to the pg_stat_statements extension to optimize the operation of Tantor Planform.
Improved pgauditlogtofile extension:
Version updated to 1.6.2.
Added rotation by file size.
Added support for the Tantor pipelinedb extension, including:
Support for partitioning functionality has been implemented.
Critical segmentation errors and build warnings have been fixed.
E.12.4. Fixes for Additional Supplied Modules #
Fixed false positives of assertion checks in autonomous transactions.
Fixed a segmentation fault when accessing pg_store_plans.
E.12.5. Additional Supplied Programs #
The pg_anon program has been improved:
Added support for 1C databases.
Multi-stage debugging mode is implemented.
New parameters have been added and the functionality of existing parameters has been expanded.
E.12.6. Supported Operating Systems #
The list of supported operating systems (OS) has been expanded. The full list is provided below:
Altlinux c9f2 (P8)
Altlinux p10
Astra Linux Common Edition 2.12
Astra Linux Special Edition 1.7
Astra Linux Special Edition 1.8
Astra Linux Special Edition 4.7
Centos 7
Debian 10 Buster
Debian 11 Bullseye
Debian 12 Bookworm
MSVSphere
Oracle Linux 8
Redos 7.3
Redos 8
Rocky 8
Rocky 9
Ubuntu 18
Ubuntu 20
Ubuntu 22
DBMS builds are created and tested for these operating systems on an ongoing basis.
Other x86-64 architecture operating systems are supported on request.
E.12.7. Migration to version 16.2.1 #
To migrate from PostgreSQL or Tantor DB, first install the latest minor version and then perform a data offload/restore by applying pg_dumpall, or use the pg_upgrade utility.