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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
  • Boris Pischik
    Boris Pischik PostgresPro

    In this brief overview presentation we will discuss Postgres Pro Enterprise Manager (PPEM) capabilities, and how it helps DBAs to be more productive.

  • Artem Sergienko
    Artem Sergienko PostgresPro

    Hardening is the process of strengthening the security of a system in order to reduce risks from possible threats. In my presentation, I will tell you how to protect service cluster communications using TLS connections, in order to avoid accidental or unauthorized access to Patroni's REST API and ETCD storage.

  • Alena Rybakina
    Alena Rybakina PostgresPro
    Andrey Lepikhov
    Andrey Lepikhov PostgresPro

    During the years of its existence, Postgres Pro piled up a pool of problems when query execution was inappropriately slow or a query was too expensive to be executed, so it was never executed. Almost always in our practice, this was due to the choice of a non-optimal query plan. In our story, we will talk about a very unconventional attempt to solve this problem by re-planning queries. We will tell you what it is, how it works, who will find it helpful and the prospects for using this feature.

  • Nikolai Shaplov
    Nikolai Shaplov PostgresPro

    Fuzzing research is feeding random input data to a program (or a part of it) (in fact, randomness is very conditional) and seeing what we get out of it. And we repeat it many times on many processors.

    Fuzzing a large monolithic program complex is never a simple task. It requires extraordinary solutions. In this talk, I will tell you what and how we searched with the help of fuzzing and what results it led to.

    • Investigation of data type parsing functions (input-functions): for warming up;
    • Investigation of functions implementing operations between types (op-functions): it is better to consider the structure here;
    • Network subsystem fuzzing: let's pretend we are POSIX calls, it's cheaper that way;
    • Recovering disk context: we need Groundhog Day.

    A story about funny bugs and ridiculous hand gestures will be included.

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