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September 25 , 2023

PGConf.SPB 2023

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  • 24 talks
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Talks

Talks archive

PGConf.SPB 2023
  • Alexandr Burtsev
    Alexandr Burtsev Postgres Professional
    Sof'ya Kopikova
    Sof'ya Kopikova PostgresPro
    Darya Lepikhova
    Darya Lepikhova PostgresPro

    We will answer the questions about the importance of compression in backup process. Will show a demo how to use the following available algorithms: pglz, zlib, zstd, lz4 in different editions of pg_probackup. We'll show you how to make incremental backups and restore even faster with PTRACK and CFS (tablespace compression) in Postgres Pro. The plans for further development will also be announced.

  • Владимир Хаймин
    Владимир Хаймин VTB

    Recently, one of the most common migration methods has become migration using the free ora2pg tool. However, many note the extremely low performance of this tool, especially when it comes to databases of 1 Terabyte and above. This presentation describes how to significantly speed up database migration using oracle_fdw alone or in combination with ora2pg.

  • Boris Pischik
    Boris Pischik PostgresPro
    Aleksandr Kotin
    Aleksandr Kotin PostgresPro

    We will present adaptive query optimization techniques and key capabilities of the new version of AQO and SR_PLAN extensions.

  • Vladimir Sitnikov
    Vladimir Sitnikov

    A talk on how regular™ indexes work in PostgreSQL. The talk will be extremely useful for those who are starting to work with databases, and for those who have worked with them but have forgotten. If the talk hits the golden picks of "must-see onboarding developer", then the goal is achieved.
    We will tackle the following subtopics:
    - How an index can speed up search;
    - Should we index WHERE conditions;
    - Should we index ORDER BY statements;
    - Should we index foreign keys;
    - What to do if search pre-assumes multiple conditions;
    - Which column order should be specified in an index;
    - Cases when index causes a slow-down and how to reduce its impact on the app.

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