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Thumbnail of an article about Do you even Zuul? CI system reloaded
OPERATIONS

Do you even Zuul? CI system reloaded

When we first started, we were given two things to do: resolve issues with builds getting gradually slower and set up a completely new system that Tungsten Fabric could use. Over the years, Tungsten Fabric has received commits from more than 500 contributors and the code is scattered across over 50 repositories. The entire project consists of over 2 million lines of code, written mostly in C++ and Python. In the beginning of the project few major tasks emerged: prepare the CI for the increased involvement of the community;
Łukasz Łukasiewicz

Łukasz Łukasiewicz

Thumbnail of an article about Webpack 3 to webpack 4: tips on migrating
SOFTWARE DEVELOPMENT

Webpack 3 to webpack 4: tips on migrating

Having heard a lot about speed improvements, we recently migrated from webpack 3 to webpack 4. The results have been astonishing: our average build time improved by 30%, and hot-reloading by 83%! This article covers the following topics:1. The key benefits of migration2. How webpack 3 compares to webpack 4 in terms of build time3. How to effectively migrate from webpack 3 to webpack 44. The pitfalls to avoidI’ll start by saying our project is humongous, so builds are pretty slow. Our hot-update recently got so slow, in fact, that we decided something had to be done.
Damian Osipiuk

Damian Osipiuk

Thumbnail of an article about Debugging faultily inherited file handles on Microsoft Windows
NETWORKS
SOFTWARE DEVELOPMENT

Debugging faultily inherited file handles on Microsoft Windows

Some time ago we fixed issues with multi-thread building in SConscripts. Since then, we have encountered strange, flaky compilation errors occurring randomly in about 5% of our builds. We couldn’t leave it that way - our Windows CI is used by many developers working on multiple parts of the system and we must ensure that it is 100% stable. We all know those pesky flaky bugs that won’t let us sleep peacefully. A menace to developers, they are happening once a week and are impossible to catch and debug.
Mateusz Jabłoński

Mateusz Jabłoński

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