Fernando Simões

Most-linked posts?

1. A 40ms Go garbage collector pause caused by swap
   3 people · 4 mentions · first linked 2026-09-13
2. Page Table Memory Consumption
   3 people · 3 mentions · first linked 2026-10-01
3. Io_uring Without Readahead
   2 people · 2 mentions · first linked 2026-09-01
4. Postgres got group commit by deleting most of the patch
   2 people · 2 mentions · first linked 2026-07-21
5. Where did 400 MiB go?
   2 people · 2 mentions · first linked 2026-03-21

What Hacker News says?

1. porridgeraisin · 2026-09-01

   Submitted Io_uring Without Readahead as a story · 121 points

   HN discussion
2. shellpipe · 2026-10-05

   Submitted A 40ms Go garbage collector pause caused by swap as a story · 117 points

   HN discussion
3. shellpipe · 2026-10-01

   Submitted Page Table Memory Consumption as a story · 78 points

   HN discussion
4. shellpipe · 2026-09-14

   Submitted A 40ms Go GC pause caused by swap as a story · 11 points

   HN discussion
5. birdculture · 2026-09-13

   Submitted 40ms Go GC stop-the-world pauses caused by swap as a story · 6 points

   HN discussion
6. signa11 · 2026-10-04

   Submitted Page table memory consumption as a story · 5 points

   HN discussion
7. pillscig · 2026-09-14

   Submitted A 40ms Go GC pause caused by swap as a story · 5 points

   HN discussion
8. shellpipe · 2025-11-29

   Submitted Understanding copy-on-write: why Redis needs memory overcommit as a story · 4 points

   HN discussion
9. matt_d · 2026-10-01

   Submitted Page Table Memory Consumption as a story · 3 points

   HN discussion
10. paperwhitez · 2026-09-12

    Submitted Postgres got group commit by deleting most of the patch as a story · 3 points

    HN discussion
11. theanonymousone · 2026-09-01

    Submitted io_uring without readahead as a story · 3 points

    HN discussion
12. birdculture · 2026-06-12

    Submitted What an 8kb Postgres read costs as a story · 3 points

    HN discussion
13. thunderbong · 2026-03-24

    Submitted Where did 400 MiB go? as a story · 3 points

    HN discussion
14. shellpipe · 2026-06-02

    Submitted Flipping two bytes to stop ls from being a program as a story · 2 points

    HN discussion
15. shellpipe · 2026-02-13

    Submitted What happens inside Postgres when IOPS runs out as a story · 2 points

    HN discussion
16. shellpipe · 2026-09-09

    Submitted Swap, memory pressure and the Go GC as a story · 1 points

    HN discussion
17. haeseong · 2026-07-21

    Submitted The lock around WAL flush as a story · 1 points

    HN discussion
18. theanonymousone · 2026-07-17

    Submitted 1193 back ends waiting on an append as a story · 1 points

    HN discussion
19. shellpipe · 2026-06-13

    Submitted Reading a cryptominer from its strace as a story · 1 points

    HN discussion
20. shellpipe · 2026-03-21

    Submitted Investigating Node.js memory bloat: V8 lazy GC and glibc arena fragmentation as a story · 1 points

    HN discussion
21. dlt · 2026-02-09

    Submitted Three Cache Layers Between Select and Disk as a story · 1 points

    HN discussion
22. shellpipe · 2025-12-02

    Submitted What Is a Program? as a story · 1 points

    HN discussion

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