There is literally a "Submit to HN" button at the bottom of the blog post.
Moreover, the author appears to be a lot more serious than just a free time blogger:
https://web.archive.org/web/20250405193600/https://endler.de...
> My interests are scalability, performance, and distributed systems
> Here is a list of my public speaking engagements.
> Some links on this blog are affiliate links and I earn a small comission if you end up buying something on the partner site
> Maintaining this blog and my projects is a lot of work and I'd love to spend a bigger part of my life writing and maintaining open source projects. If you like to support me in this goal, the best way would be to become a sponsor