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    Posts

    22.02.2022 | CYBERTEC Guest

    Google Cloud PostgreSQL under pgwatch2 monitoring

    Pretty often I’m asked – does our PostgreSQL monitoring tool pgwatch2 work with managed cloud database service providers, for example, Google Cloud? Well, the short answer would be – “Yes, we scan!”. But as always – the devil is in the details, and you should be aware of a couple of nuances/extra steps. In order […]

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    11.08.2021 | CYBERTEC Guest

    PostgreSQL vs Redis vs Memcached performance

    When I recently stumbled on an article comparing some main properties, and also the read-write performance of two very popular pieces of caching software, often used to speed up applications heavy on database queries, I immediately felt an itch – how would it actually look for PostgreSQL vs Redis vs Memcached on the performance side? […]

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    06.07.2021 | CYBERTEC Guest

    Simulating temporal tables with dblink and replication delay

    On some rare occasions, I’ve been asked if Postgres supports system-versioned temporal tables – in other words, time travel on table data for your queries. As quite often with Postgres, thanks to its extensibility, I can answer: well, officially, it does not…but, you can make it work, nevertheless 🙂 Why are people even asking such […]

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    15.04.2021 | CYBERTEC Guest

    Finally – a system level “read all data” role for PostgreSQL!

    I don’t usually post about upcoming PostgreSQL features and rather concentrate on tools available / versions released… but this feature got me excited and will certainly be a huge relief for real-life usage, especially for beginners! I had almost lost hope we might see this day – but after many years of wishing for it, […]

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    11.03.2021 | CYBERTEC Guest

    Running Postgres in Docker – why and how?

    The big question we hear quite often is, “Can and should we run production Postgres workloads in a Docker? Does it work?” The answer in short: yes, it will work… if you really want it to… or if it’s all only fun and play, i.e. for throwaway stuff like testing. Containers, commonly also just called […]

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    26.01.2021 | CYBERTEC Guest

    Postgres scaling advice for 2021

    So, you’re building the next unicorn startup and are thinking feverishly about a future-proof PostgreSQL architecture to house your bytes? My advice here, having seen dozens of hopelessly over-engineered / oversized solutions as a database consultant over the last 5 years, is short and blunt: Don’t overthink, and keep it simple on the database side! […]

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    19.01.2021 | CYBERTEC Guest

    Tips and tricks to kick-start the Postgres year 2021

    I decided to start out this year by looking into my notes from last year and extracting from them a small set of Postgres tips for you. This might not be, strictly speaking, fresh news… but I guess the average RAM of tech workers is about 64KB or so nowadays, so some repetition might not […]

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    25.11.2020 | CYBERTEC Guest

    Insert-only data modelling to smooth peaks on slow disks

    A few years ago, I wrote a short post on a similar topic; since then, I’ve often seen that the whole concept of suggesting to do more INSERT-s in critical parts of the code seems pretty strange to most customers. It’s even alien to those who are not new to databases in general. So I […]

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    03.11.2020 | CYBERTEC Guest

    Having a 2nd look at Postgres v13 improvements

    Version 13 has been out there for over a month by now and the most important stuff has already been well digested… but luckily (or not) there’s so much non-major stuff in every release! This becomes quite evident when looking at the release notes with its 150 items of change or peeking at the great […]

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    22.10.2020 | CYBERTEC Guest

    Simple partitioning live data with Postgres

    Partitioning data is a well known way to optimize big tables into smaller ones using a given attribute. And while creating a partitioned table structure itself is not complicated, the migration of a table on live system can be tricky. Our solution offers a simple way to solve this problem.   The usual way can be summarized […]

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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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    05.08.2020 | CYBERTEC Guest

    A quick pg_stat_statements troubleshooting hack

    An introductory story (with some slight “drama” added for fun) from those good old days of on-site consulting 🙂 So…I’m at a client where the database is not behaving nicely among other things…what a crappy DB product indeed I hear, it gets cranky every morning although there should be a constant workload and is saturating […]

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