Evan Jones

@epcjones

Software Engineer. See my web site for details.

Vrijeme pridruživanja: prosinac 2012.

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  1. 28. sij

    Another barely useful hack: I put the Go pprof profiler web UI on the public web: (maybe useful if you don't want to install Go/graphviz/dot, or want to share a profile with someone)

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  2. 27. sij

    "XML made us love JSON" - Jeremy Kepner. Sounds about right. He wins mhe Most tweetable quote from North East Database Day 2020. See you next year. About Jeremy: About NEDB Day:

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  3. 26. sij

    Thanks to : I just discovered a plagiarized copy of my recent floating-point blog post. Why do people even do this? I assume this is some SEO game? (Original post: )

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  4. 24. sij

    Contrary to popular wisdom, you *can* use floating-point numbers for money: (although using a money-specific data type is still probably good advice)

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  5. 20. sij

    A barely useful hack: Kube Web Proxy: authenticated, sharable links for internal Kubernetes services for debugging: Surely there is some better version of this I should know about?

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  6. 26. pro 2019.

    Tech content I liked in December: on kinds of tests, on sorting for better performance, and great debugging stories from and

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  7. 17. pro 2019.

    North East Database Day: A fun, cheap, small data-related conference at MIT on Jan 27th, with a good mix of academic and industry participants. If you like data you should join! See last year's program:

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  8. 15. pro 2019.

    Google's new E2 machine type finally brings overselling resources to the Cloud. This is a great idea and think we will see more of it:

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  9. 14. pro 2019.

    I was curious about traffic for my post on unordered indexes: Hacker News drives a LOT of visits (~200k?). That is a "huge" peak of 5 requests/sec, up from a normal of 0.1 requests/sec. If you missed the post:

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  10. 8. pro 2019.

    Why databases use ordered indexes even though hash tables faster for most accesses: Ordered indexes are more versatile, which is more important for large N. This is a summary, 1 year late, of an excellent Twitter thread:

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  11. 1. pro 2019.

    Tech content I liked in the last ~month: queuing theory by , tweets on testing from and , measuring the unmeasurable by , an amazing microbenchmark by

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  12. 19. stu 2019.

    I gave a talk at Google Cloud Next 2019 about how to break down your cloud cost by additional dimensions, such as by customer and by engineering team. I finally finished a blog post version: (That was in April? Where did 2019 go?)

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  13. 30. lis 2019.

    Tech content I liked recently: on scaling health checking, 's time-travel debugger demo video, on team composition (part of an experiment of me trying to write more often)

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  14. 29. lis 2019.

    CSV: most easily screwed up file format? So easy to make something that "works" ... Until someone puts a , or " into a field. Always use a real csv writer/reader. Your future self will thank you.

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  15. 26. lis 2019.

    Auto scaling changes performance bugs from an outage into a cost problem: Progress, but very easy to spend $$$; Thanks , , for the Twitter convo that inspired me to try and explain in more detail:

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  16. 24. lis 2019.

    I'm trying to write more. To start: Links to good tech content this week: Reps (you have to practice) by Daniel Na, Deep systems by , The Tokio scheduler by :

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  17. 25. ruj 2019.

    Go's garbage collector has tiny pauses, but it is not immune to "GC death spirals", where an overloaded app gets more overloaded. may have fixed one this week with judicious use of sync.Pool: . Only time will tell if that was the problem ...

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  18. 15. ruj 2019.

    Honoured to receive a limited edition "this database kills fascists" shirt. Thanks ! Does this mean I'm supposed to donate or something now?

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  19. 14. lip 2019.

    Early in my career: I want to "own" this feature. Recently: how do I avoid "owning" this feature at all costs?

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  20. 29. svi 2019.

    This is a brilliant essay about what systems research should be. The examples are graphics systems, but it is generally applicable. Highly recommended if you are interested in computer systems research.

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