South Africa 2019
PostgresConf South Africa 2019
The third annual South African PostgresConf takes place in Johannesburg on 8 & 9 October 2019, with attendees representing a diverse class of professionals and companies from around the country and across the continent. This is an excellent opportunity for the database administration and developer community who use PostgreSQL to get to know each other, exchange ideas and learn about the current features and upcoming trends within PostgreSQL.
Open Source Week
Open Source Week brings 3 conferences together in the same week, with PostgresConf South Africa 2019 taking place the day after LinuxConf [ZA] 2019 and before PyConZA 2019, the Python programming conference and a shared workshop/tutorial day on the Wednesday, with all three conferences hosted at the same venue.
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Some of our speakers
In an automated testing environment it is often a requirement to create a clean database for each group of tests, but creating and initializing new databases can be slow and resource intensive. In this talk we will look at a collection of tips and tricks to optimize the setup and teardown of new databases in an effort to significantly reduce the overall execution time of tests.
The amaGama (https://amagama.translatehouse.org/) project implements a FOSS translation memory web service built with Python on top of PostgreSQL. I recently worked on improving its performance, and would like to report on what I did and how I did it. The presentation will cover how an understanding of the problem domain, usage patterns and algorithms involved allowed for a big performance improvement despite some (arguable) shortcomings of PostgreSQL. A translation memory contains texts...
Kartoza is a South African company with a global footprint. We specialise in geospatial solutions with FOSS, which means we use PostGIS a lot. We deploy, host and support many instance of PostGIS for many clients in support of many different applications, on premise and in cloud. Some of these have replication and all have automatic backup regimes. To improve reliability and efficiency we do this now wholly with Docker and Rancher, all in the open. What we do seems to be pretty popular,...
We use Git and Flyway to automate our schema migrations. It greatly reduces the friction of merging schema changes made by multiple developers on a project. It also produces a migration that is consistent across environments as well as allowing us to run additional environment specific scripts as part of the migration.
I was recently asked by another PostgreSQL DBA about what could be causing queries to run slow while their application is running but then runs fast again after the application is stopped. While I have given several presentations on this subject, each one has been on a specific cause and not talking about all of them together. I decided I would compile them into a single tuning and monitoring presentation. These slow queries are reported to me by my developers when they start taking...
Kartoza is a South African company with a global footprint. We specialise in geospatial solutions with FOSS, which means we use PostGIS a lot. We also present courses on PostGIS. This workshop is a condensed version of what we normally do in two or three days. You will get hands-on experience with loading spatial data, understanding geometries and using spatial data in analysis. In the process you will learn all about spatial SQL and also how to use a desktop GIS (QGIS) to interact with the...
Your database is performing badly but you got no idea why. Fortunately PostgreSQL has all the means to figure out what is really going on inside your database. You just have to find the right modules and use the right tools and understand what PostgreSQL is really trying to tell you. This talk will show you how to track down slow queries using pgstatstatement, work with "explain analyze" and fix bad performance using simple query rewrites.
PostgreSQL security is an important topic and the database offers a variety of features to protect your data. This training will teach you security from the ground up and cover aspects such as network security, authentication, database side permissions, row level security, security barriers as well as some additional tooling. At the end of the day you will be able to configure and manage a productive, enterprise grade system.
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See rock-star speakers cover the topics of
Designing for Accessibility by Rory Preddy
What's all this fuss about Common Table Expressions (CTE's) anyway? by Jacques Combrink
From models to hosted OpenAPI Specification (OAS) by Karel van der Walt
PL/pgSQL Control Structures by Andreas Nel
Hacking with Postgres 11 - pg_threads by Piotr Jarmuż
Shadow Tables vers PGAudit by Lloyd Albin
Working with spatial data in PostGIS by Gavin Fleming
Is JSONB a Silver Bullet by Angus Dippenaar
Event Stores and Postgres by Chris A. Pieterse
Temporal Journey by Andrew Turpin
Ops and Administration
PostgreSQL/PostGIS devops with Docker and Rancher by Gavin Fleming
Effectively securing your PostgreSQL database by Malcolm McLean
Finding and fixing slow queries by Hans-Jürgen Schönig
PostgreSQL performance in 5 minutes by Hans-Jürgen Schönig
An introduction to PostgreSQL security by Hans-Jürgen Schönig
Basic understanding of EXPLAIN ANALYZE by Justin Harvey
DBeaver by Nico Schlebusch
Postgres Extensions by Andries Vorster
Authorization In PostgreSQL by Charles Clavadetscher
AutoVacuum - Tuning and Monitoring by Lloyd Albin