RailsConf 2016 - How We Scaled GitLab For a 30k-employee Company By Minqi Pan

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Confreaks

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Published on May 24, 2016 7:06:28 PM ● Video Link: https://www.youtube.com/watch?v=byZcOH92CiY

Duration: 38:24

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GitLab, the open source alternative to GitHub written in Rails, does not scale automatically out of the box, as it stores its git repositories on a single filesystem, making storage capabilities hard to expand. Rather than attaching a NAS server, we decided to use a cloud-based object storage (such as S3) to replace the FS. This introduced changes to both the Ruby layer and the deeper C layers. In this talk, we will show the audience how we did the change and overcame the performance loss introduced by network I/O. We will also show how we achieved high-availability after the changes.GitLab, the open source alternative to GitHub written in Rails, does not scale automatically out of the box, as it stores its git repositories on a single filesystem, making storage capabilities hard to expand. Rather than attaching a NAS server, we decided to use a cloud-based object storage (such as S3) to replace the FS. This introduced changes to both the Ruby layer and the deeper C layers. In this talk, we will show the audience how we did the change and overcame the performance loss introduced by network I/O. We will also show how we achieved high-availability after the changes.