Simon Guindon

@simongui

Works at . Builder and researcher of large scale and highly available distributed systems. Likes to write fast code and drive fast cars.

Ottawa
Vrijeme pridruživanja: svibanj 2009.

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  1. proslijedio/la je Tweet
    22. sij

    We're welcoming all Tardigrade users with 1 TB of free storage and bandwidth from now until the end of January. If you haven't already, sign up for a Tardigrade account today— our network is secure, private, affordable, and faster than AWS.

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  2. 6. sij

    Interesting post about comparing a 500 billion record data set querying it at 1 billion rows/second on a ScyllaDB cluster of 83 n2.xlarge.x86 instances vs 1 three year old Intel NUC mini PC using ClickHouse. 2,900 CPU cores vs 4 CPU cores.

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  3. 2. sij

    Right before the holidays I blogged a little bit about how deletes affect performance in

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  4. proslijedio/la je Tweet
    20. pro 2019.

    Our team has been integrating into our decentralized cloud storage platform. Curious about how deletes impact performance in CockroachDB? Check out 's article to learn what to keep in mind for your implementations.

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  5. proslijedio/la je Tweet
    10. pro 2019.

    . pricing is here! We’re pleased to announce our decentralized cloud storage service is half the price of legacy cloud storage providers at $45 per TB of bandwidth and $10 per TB of storage capacity.

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  6. proslijedio/la je Tweet

    Wow. Certain SSDs have a firmware bug causing them to irrecoverably fail after exactly 32,768 hours of operation. SSDs that were put into service at the same time will fail simultaneously, so RAID won't help. 😱

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  7. proslijedio/la je Tweet
    25. stu 2019.
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  8. proslijedio/la je Tweet
    25. stu 2019.

    The dark bar is our latest approach... we reach 4 GB/s in some cases... and 2.5 GB/s in a hard bioinformatics scenario.

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  9. 15. stu 2019.

    I’m really impressed with . So far almost all of the Postgres SQL just works and the one I hit that didn’t, the CLI tool spit out a not implemented error with GitHub issue link to track its progress. Amazing.

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  10. proslijedio/la je Tweet
    5. stu 2019.

    I am always amazed by the diligence and energy of the engineering team, led by !! 🙌🙌🙌🙌🙌👊👊👊👊👊👊 well done (again)!!! Can’t wait for Pioneer 2 and LAUCH before year end!)

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  11. proslijedio/la je Tweet
    8. stu 2019.

    We couldn't find an atomic commit protocol that worked for fast (and ACID compliant) distributed transactions, so we built our own. It's called Parallel Commits, and it halves the latency of all distributed transactions. Read more about it on the blog:

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  12. proslijedio/la je Tweet
    4. stu 2019.

    Did Linux get slower after 4.14? Yes, if you use the KPTI defaults. How much? Between 1 and 800%, depending on your workload. I expected our workloads to slow by between 0.1 and 6%. I wrote about it before

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  13. proslijedio/la je Tweet
    23. lis 2019.

    runtime: make the page allocator scale Helping the allocator scale to more cores, with a new design that is more cache-friendly, branch-predictor friendly, etc and has a lockless fast path. End result: more cores == more performance

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  14. proslijedio/la je Tweet
    22. lis 2019.

    Finally, Database Internals book is available in a print version on Amazon! It’s been going pretty quick for the last couple of weeks, but you can get one now:

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  15. 22. lis 2019.

    Great post about transaction isolation anomalies written by

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  16. proslijedio/la je Tweet
    7. lis 2019.

    Did you hear the news? is now on the network. This guarantees persistence, distribution, and security of content-addressed data. Check out our latest article to learn more.

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  17. proslijedio/la je Tweet
    29. ruj 2019.

    Me in my 20s: but that corner radius isn’t quite right Me in my 30s: Literally no one cares. Just get that shit out & see if anyone even uses it

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  18. 30. ruj 2019.

    When you leave your car to your father to enjoy while you’re gone on a business trip and he decides to protect it from attacks from leaves. I found napkins wedged into the rear brake cooling vents hahaha.

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  19. 24. ruj 2019.

    I’m sorry you’re experiencing this when you’re just there to learn. You’re too smart for them, they could learn a few things from you.

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  20. proslijedio/la je Tweet
    23. ruj 2019.

    We're excited for you to check out our Node Dashboard, see all your Node storage and bandwidth stats in one place. Read about it on our blog and let us know what you think.

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