E.1. Release Notes for Tantor BE 17.5.0#

E.1. Release Notes for Tantor BE 17.5.0

E.1. Release Notes for Tantor BE 17.5.0 #

Release date: 2025-06-02

E.1.1. Review #

Tantor BE is a Russian-made DBMS based on the updated and improved version of the PostgreSQL DBMS. Tantor BE 17.5.0 is based on PostgreSQL 17.

Below are the additional modules and utilities added to Tantor BE, as well as a list of changes to the server core.

E.1.2. DBMS Core Functionality #

The following changes have been made to improve the DBMS:

  • Added query sampling support in pg_stat_statements: optional sampling reduces the monitoring overhead under high load, ensuring that query statistics are collected with minimal impact on overall system performance.

  • Expanded use of SIMD instructions has been added. Enhancements planned for PostgreSQL 18 are already available in Tantor BE 17.

E.1.3. Additional Supplied Utilities #

Added new utilities:

  • pg_diag_setup — automates the configuration of PostgreSQL performance diagnostics extensions such as pg_store_plans, pg_stat_statements, pg_stat_kcache, auto_explain, pg_buffercache, and others. This simplifies the integration of database monitoring systems.

  • pg_sec_check — audits the security of PostgreSQL database configurations. It automates the inspection of various security aspects: from server settings to database-specific parameters, and provides detailed reports on identified issues along with actionable recommendations for remediation.

E.1.4. Additional Supplied Modules #

Added extensions:

  • pg_stat_advisor - allows to analyze query performance and create additional statistics to improve query plan.

  • pg_stat_kcache - gathers statistics about real reads and writes done by the filesystem layer.

E.1.5. 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 Special Edition 1.7

  • Astra Linux Special Edition 1.8

  • Astra Linux Special Edition 4.7

  • Debian 10 Buster

  • Debian 11 Bullseye

  • Debian 12 Bookworm

  • MSVSphere

  • Oracle Linux 8

  • Redos 7.3

  • Redos 8

  • Rocky 8

  • Rocky 9

  • 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.1.6. Migration to version 17.5.0 #

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.