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Random thoughts on concurrency, databases and distributed systems

Personal blog · puzpuzpuz.devprogrammingsystems

Random thoughts on concurrency, databases and distributed systems is a personal blog at puzpuzpuz.dev about programming and systems. Since 2022, 10 different Hacker News readers have linked it 11 times, most often “Thread-Local State in Go, Huh?”. The last post was in 2024, but the archive is still widely read.

Visit the blog
11mentions?
10HN people?
2022–2025first – last linked?
Links on Hacker News per year · peak 5 in 2023

Core database engineer at QuestDB. Distributed systems gazer. Node.js contributor. Occasional tech blogger and speaker.

Most-linked posts?

  1. Thread-Local State in Go, Huh?
    2 people · 2 mentions · first linked 2022-11-01
  2. Seqlock-Based Atomic Memory Snapshots
    2 people · 2 mentions · first linked 2023-08-06
  3. The Secret Life of Fsync (2023)
    2 people · 2 mentions · first linked 2023-04-01
  4. Fast and Simple SPSC Queue Written in Java
    2 people · 2 mentions · first linked 2022-10-02

What Hacker News says?

  1. sa46 · 2025-06-17
    It might be. I've seen the trick pop up a few times: 1. https://puzpuzpuz.dev/thread-local-state-in-go-huh 2. https://victoriametrics.com/blog/go-sync-pool/ It's probably too complex for the Otel SDK, but I might give it a spin in my experimental tracing repo.

    Comment linking /thread-local-state-in-go-huh

    on “OpenTelemetry for Go: Measuring overhead costs”
  2. RGBCube · 2025-07-24

    Submitted The Secret Life of Fsync (2023) as a story · 12 points

    HN discussion
  3. gavinray · 2023-12-20
    I always enjoy reading stuff written by Andrey, he's a brilliant fellow for sure. Can highly recommend his personal blog as well: https://puzpuzpuz.dev/

    Comment linking /

    on “Building a faster hash table for high performance SQL joins”
  4. puzpuzpuz-hn · 2022-10-05

    Submitted Fast and Simple SPSC Queue Written in Java as a story · 4 points

    HN discussion
  5. nalgeon · 2023-08-06

    Submitted Seqlock-Based Atomic Memory Snapshots as a story · 2 points

    HN discussion
  6. fagnerbrack · 2023-03-22

    Submitted Random thoughts on concurrency, databases and distributed systems as a story · 2 points

    HN discussion
  7. EntICOnc · 2023-08-24

    Submitted Seqlock-Based Atomic Memory Snapshots as a story · 1 points

    HN discussion
  8. todsacerdoti · 2023-04-01

    Submitted The Secret Life of Fsync as a story · 1 points

    HN discussion
  9. nwsm · 2022-11-01

    Submitted Thread-Local State in Go, Huh? as a story · 1 points

    HN discussion
  10. puzpuzpuz-hn · 2022-10-25

    Submitted So long, Golang's sync.Map as a story · 1 points

    HN discussion
  11. mfiguiere · 2022-10-02

    Submitted Fast and Simple SPSC Queue as a story · 1 points

    HN discussion

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