title

text

Pavel Stehule
Pavel Stehule freelancer
10:00 03 February
90 мин

The possibilities of profiling plpgsql code - available tools

I like stored procedures - it is great technology. But like any other technologies it allows to write not well optimized code. It is not easy to write optimized code, sql statements in complex large applications. On second hand, there are some tools, that can be used very easily, that can help. Postgres has built-in tracking functions possibility. There are PLProfiler and plpgsql_check. With these tools is easy work to detect slow part of applications.With this knowledge, the fix of performance issue is less magic.

Слайды

Видео

Другие доклады

  • Gregory Smolkin
    Gregory Smolkin Postgres Professional
    90 мин

    Резервное копирование с помощью pg_probackup

    pg_probackup is a flexible tool that allows choosing the backup strategy depending on the write load of the PostgreSQL cluster, as well as offers a number of other features that can facilitate this vital aspect of database maintenance. In this tutorial, we will see how to apply this tool in practice.

  • Anton Doroshkevich
    Anton Doroshkevich ИнфоСофт
    180 мин

    Мастер-класс настройки PostgreSQL для 1С

    You will have a fascinating journey through PostgreSQL settings. We will talk about that with 1C not so or on the contrary so that under it it is necessary to adjust specially DBMS. We will discuss approaches to testing the speed of 1C. Consider the various options for backup schemes and fault tolerance. In the process, we will compare the speed of 1C on PostgreSQL configured by default with the speed of 1C configured for PostgreSQL. Also, we will create a replica of PostgreSQL, and switch to it the 1C Server "live", see what users will see 1C during this operation. And a separate block will be devoted to Postgres Pro Enterprise Edition, how the use of its advantages affects the speed of 1C.

  • Pavel Luzanov
    Pavel Luzanov Postgres Professional
    45 мин

    Сертификация PostgreSQL: вопросы и ответы

    In May 2019 «Postgres Professional» launched the PostgreSQL Certification Program. Now you can not only get training in our courses, but also confirm your knowledge by passing an appropriate set of tests.

    In this presentation, I will share the results of the first months of the program and answer the most frequently asked questions:

    Where can I get information about the certification program?
    PostgreSQL or Postgres Pro certification?
    Certificates for PostgreSQL version 10. When will you upgrade to the current version?
    Do I have to attend training centers?
    Can I pass the test remotely? Not in Moscow?
    Is it possible to take several tests at once in one day?
    How to prepare for the test? Are there any examples of training questions?
    During the test I got an incorrect question, what should I do?
    How to find out exactly which questions the answers were not correct?
    When can I retake after an unsuccessful attempt?
    How to appeal the test results? 
    

  • Bruce Momjian
    Bruce Momjian EnterpriseDB
    45 мин

    Unlocking the Postgres Lock Manager

    Locking is critical for providing high concurrency for any database — you cannot fully utilize your hardware if locking is throttling its use. This talk explores all aspects of locking in Postgres by showing queries and their locks; covered lock types include row, table, shared, exclusive, and advisory lock types. The high concurrency provided by Multiversion Concurrency Control (MVCC) is also covered.

    Slides are at https://momjian.us/main/writings/pgsql/locking.pdf