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    Posts

    Tag: query performance

    06.12.2022 | Ants Aasma

    Faceting large result sets in PostgreSQL

    While the term faceting may sound foreign to you, you almost certainly have run into it in your adventures online. It is those helpful little boxes that turn up when browsing in web shops or searching in catalogs, telling how to further narrow down the search results, (for example, by color) and how many items […]

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    10.06.2021 | Hans-Jürgen Schönig

    Data warehousing: Making use of synchronized seq scans

    PostgreSQL contains some hidden gems which have been around for many years and help to silently speed up your queries. They optimize your SQL statements in a clever and totally transparent way. One of those hidden gems is the ability to synchronize sequential scans. Actually, this feature has been around for 15+ years, but has […]

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    29.09.2020 | CYBERTEC Guest

    A quick look at PostgreSQL 13 RC1 query performance

    If you read this blog post the new PostgreSQL version will be probably already officially released to the public for wider usage…but seems some eager DBA already installed the last week’s Release Candidate 1 and took it for a spin 😉 The “spin” though takes 3 days to run for my scripts, so that’s the […]

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    04.11.2019 | CYBERTEC Guest

    PostgreSQL v12 initial query performance impressions

      With the latest major version freshly released, it’s again time to gauge its performance. I’ve already been doing this for years, and I have my scripts ready, so it’s not too much work for me – but rather, for the machines. The v12 release, as always, adds quite a lot of nice stuff. Some […]

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    30.10.2018 | CYBERTEC Guest

    Peeking at query performance of the upcoming version 11 of PostgreSQL

    Last week the first release candidate of the upcoming Postgres version 11 was released, stating that everything is going more or less as planned – great news! The 11 release is promising a lot of very cool stuff as usual, including – better partitioning, more parallezation and JIT capabilities (which are not activated by default […]

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    21.08.2018 | Hans-Jürgen Schönig

    3 ways to detect slow queries in PostgreSQL

    (Last updated 18.01.2023) When digging into PostgreSQL performance, it is always good to know which options one has to spot performance problems, and to figure out what is really happening on a server. Finding slow queries in PostgreSQL and pinpointing performance weak spots is therefore exactly what this post is all about. There are many […]

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