Maciej Brencz – Medium

Maciej Brencz
in
Bethink

Using Continuous Integration pipeline to guard against database performance regressions

Is the code the only measure of the quality of changes we’re merging?

5 min readFeb 15, 2021

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Using Continuous Integration pipeline to guard against database performance regressions

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Maciej Brencz
in
Bethink

How we reduced our application response times by 80% without touching a single line of code

As I mentioned in my previous blog post, our e-learning platform traffic varies heavily over time. It reaches its peak just before the…

6 min readJan 12, 2021

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How we reduced our application response times by 80% without touching a single line of code

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Maciej Brencz
in
Tales Written  On Island

Forget me not

Eugenia and Albert grew up together. As children of the sea they were keeping each other company, staying alone for long hours.

5 min readNov 14, 2020

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Forget me not

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Maciej Brencz
in
Bethink

Our journey towards better application performance (part 1)

Bethink’s e-learning platform traffic varies heavily over time. It reaches its peak just before the final exams. This is a really…

3 min readJul 9, 2020

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Our journey towards better application performance (part 1)

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Maciej Brencz
in
Fandom Engineering

MySQL diary #5: Querying the database master and why you should consider asking a slave

Database performance optimisation is an endless journey.

3 min readMar 19, 2019

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MySQL diary #5: Querying the database master and why you should consider asking a slave

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Maciej Brencz
in
Fandom Engineering

MySQL diary #4: Defer your work

One of the rules that should be applied when developing a feature or fixing a bug (however, try to avoid it in your real life ;)) is “if…

3 min readMar 18, 2019

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MySQL diary #4: Defer your work

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Maciej Brencz
in
Fandom Engineering

MySQL diary #3: the tale of lagging databases, transactions and primary keys

Back in 2016 we were dealing with an issue with lagging slave on one of our database clusters. Interestingly, this problem was only…

4 min readMar 11, 2019

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Maciej Brencz
in
Fandom Engineering

MySQL diary #2: indexes good practices

Why a good table schema and properly defined indexes are important?

6 min readMar 4, 2019

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MySQL diary #2: indexes good practices

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Maciej Brencz
in
Fandom Engineering

Turning wiki content into a graph for football fans

Football Wiki is an extensive database of everything football fan can be interested in. It describes teams, players, managers, cup finals…

6 min readFeb 15, 2019

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Turning wiki content into a graph for football fans

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Maciej Brencz

Building graph of artists and their songs from internet radio playlist — part 1

As an avid fan of Faroe Islands I quite frequently listen to Kringvarp Føroya radio station via internet stream. As an engineer I am also…

4 min readFeb 11, 2019

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Building graph of artists and their songs from internet radio playlist — part 1

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Maciej Brencz

Maciej Brencz

Poznaniak z dziada-pradziada, pasjonat swojego rodzinnego miasta i Dalekiej Północy / Enjoys investigating how software works under the hood

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