Tag: tuning

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More on Postgres trigger performance

by CYBERTEC Guest | 06.2018
By Kaarel Moppel - In my last post I described what to expect from simple PL/pgSQL triggers in performance degradation […]

Are triggers really that slow in Postgres?

by CYBERTEC Guest | 05.2018
First, the big question – should we be using good old triggers at all? Well, actually I’m not going to […]

Linux cgroups for PostgreSQL

by Laurenz Albe | 05.2018
  In a recent wrestling match with the Linux “out-of-memory killer” for a CYBERTEC customer I got acquainted with Linux […]

Improving transaction latency by moving indexes to faster media

by CYBERTEC Guest | 03.2018
By Kaarel Moppel - Improve transaction latency and consequently performance - The topic of transaction performance is as relevant as […]

A formula to calculate "pgbench" scaling factor for target DB size

by CYBERTEC Guest | 02.2018
Pgbench is a very well-known and handy built-in tool that Postgres DBAs can use for quick performance benchmarking. Its main […]

Avoiding unnecessary function calls in PostgreSQL

by Hans-Jürgen Schönig | 01.2018
It is possible to write functions in PostgreSQL in almost any widespread language such as Perl, Python or C. In […]

Cybertec pgconfigurator: Configuring PostgreSQL visually

by Hans-Jürgen Schönig | 01.2018
Configure PostgreSQL quickly and easily We are proud to announce the release of our latest tool to the PostgreSQL community: […]

Using "lightweight" functional indexes - BRIN

by CYBERTEC Guest | 11.2017
By Kaarel Moppel - Using BRIN to improve query performance - This is a quick performance tip for all those […]

Speeding up the creation of Postgres replicas

by CYBERTEC Guest | 09.2017
While it's generally well known how to create physical replicas (i.e. block level copies), using the super simple and really […]

UNIX sockets vs. localhost: PostgreSQL Performance advice

by Hans-Jürgen Schönig | 05.2016
Unix sockets vs. localhost: We posted a lot of tuning advice on this blog already. Now we thought we would […]
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