PGConf.Russia 2021

This talk is a brief overview of Intel technologies: CPU development, including features for AI algorithms. The memory speed/volume pyramid > PMem space, encryption development, software tools to improve parallel computing performance. I will also share a couple of cases where PG and Intel were implemented.

In 2019 we migrated distributed railway application from Oracle 11g SE to vanilla PostgreSQL 11.9. Almost 2 years have passed, the system is working good. The report focuses on how we migrated, what problems we faced during this migration and after migration, as well as what we would have done differently today experience.

When PostgreSQL was at its formation stage, its transaction ID was chosen to be 32-bit. Back then, no one could imagine that someday we may need more than 4 billion transactions. However, ongoing technical progress and digitization pushed some Postgres instances towards their transaction ID limit. The Postgres community reacted to this with a wraparound of the transaction ID counter. However, constantly growing data volumes exposed PostgreSQL to new challenges. In my presentation, I will cover these challenges and explain how they can be solved with a 64-bit transaction ID, what the consequences will be like, why now it is a good time to implement 64x IDs, and why this hasn't been done previously.

Creation of a completely import-substituted component of the state information system using the example of the PUR KS - the "Electronic Budget" subsystem, the key state integrated information system for managing public finances. The presentation presents the subsystem architecture, performance optimization history and monitoring description. The speaker will talk about the advantages and difficulties of using an import-substituted system for the public sector, as well as about the nuances that departments should take into account when implementing open source solutions and solutions from Russian developers.