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Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower

0 comments · performance, rust, zig

  • Comments26
–Rank now
#2Peak rank
4Days on list
404Score · 7d
Nov 4, 2026First seen
Rank · 7 days

On Lobsters

performancerustzig
Score
106
Comments
26
Submitted by
ohrv
Tags
performance, rust, zig
Site
dennisforbes.ca

Story details from Lobsters ↗ · linked article on dennisforbes.ca.

Trending history

Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower was first seen on Lobsters · Hottest on Nov 4, 2026. Since then it has appeared in 102 checks on 4 different days. Its best position was #2 of 25, reached on Nov 4, 17:51 UTC. It dropped off the list after Nov 7, 15:51 UTC.

Rank history

Position on Lobsters · Hottest at every check (lower is better).

#1#9#17#25 Nov 4Nov 5Nov 6Nov 6Nov 7 Nov 4, 15:51 UTC · #18Nov 4, 16:21 UTC · #8Nov 4, 16:51 UTC · #7Nov 4, 17:21 UTC · #5Nov 4, 17:51 UTC · #2Nov 4, 18:21 UTC · #2Nov 4, 18:51 UTC · #2Nov 4, 19:21 UTC · #2Nov 4, 19:51 UTC · #2Nov 4, 20:21 UTC · #2Nov 4, 20:51 UTC · #2Nov 4, 21:21 UTC · #2Nov 4, 21:51 UTC · #2Nov 4, 22:21 UTC · #2Nov 4, 22:51 UTC · #2Nov 4, 23:21 UTC · #2Nov 4, 23:51 UTC · #2Nov 5, 00:21 UTC · #2Nov 5, 00:51 UTC · #2Nov 5, 01:21 UTC · #2Nov 5, 01:51 UTC · #2Nov 5, 02:21 UTC · #2Nov 5, 02:51 UTC · #2Nov 5, 03:21 UTC · #2Nov 5, 03:51 UTC · #2Nov 5, 04:21 UTC · #2Nov 5, 04:51 UTC · #2Nov 5, 05:21 UTC · #2Nov 5, 05:51 UTC · #2Nov 5, 06:21 UTC · #2Nov 5, 06:51 UTC · #2Nov 5, 07:21 UTC · #2Nov 5, 07:51 UTC · #2Nov 5, 08:21 UTC · #2Nov 5, 08:51 UTC · #2Nov 5, 09:21 UTC · #2Nov 5, 09:51 UTC · #2Nov 5, 10:21 UTC · #2Nov 5, 10:51 UTC · #2Nov 5, 11:21 UTC · #2Nov 5, 11:51 UTC · #2Nov 5, 12:21 UTC · #3Nov 5, 12:51 UTC · #3Nov 5, 13:21 UTC · #4Nov 5, 13:51 UTC · #4Nov 5, 14:21 UTC · #4Nov 5, 14:51 UTC · #4Nov 5, 15:21 UTC · #4Nov 5, 15:51 UTC · #4Nov 5, 16:21 UTC · #4Nov 5, 16:51 UTC · #4Nov 5, 17:21 UTC · #5Nov 5, 17:51 UTC · #5Nov 5, 18:21 UTC · #5Nov 5, 18:51 UTC · #5Nov 5, 19:21 UTC · #6Nov 5, 19:51 UTC · #6Nov 5, 20:21 UTC · #7Nov 5, 20:51 UTC · #7Nov 5, 21:21 UTC · #8Nov 5, 21:51 UTC · #8Nov 5, 22:21 UTC · #8Nov 5, 22:51 UTC · #8Nov 5, 23:21 UTC · #9Nov 5, 23:51 UTC · #9Nov 6, 00:21 UTC · #9Nov 6, 00:51 UTC · #9Nov 6, 01:21 UTC · #9Nov 6, 01:51 UTC · #9Nov 6, 02:21 UTC · #9Nov 6, 02:51 UTC · #9Nov 6, 03:21 UTC · #10Nov 6, 03:51 UTC · #10Nov 6, 04:21 UTC · #10Nov 6, 04:51 UTC · #10Nov 6, 05:21 UTC · #10Nov 6, 05:51 UTC · #10Nov 6, 06:21 UTC · #10Nov 6, 06:51 UTC · #11Nov 6, 07:21 UTC · #12Nov 6, 07:51 UTC · #12Nov 6, 08:21 UTC · #12Nov 6, 08:51 UTC · #12Nov 6, 09:21 UTC · #12Nov 6, 09:51 UTC · #14Nov 6, 10:21 UTC · #15Nov 6, 10:51 UTC · #15Nov 6, 11:21 UTC · #15Nov 6, 11:51 UTC · #16Nov 6, 12:21 UTC · #16Nov 6, 12:51 UTC · #17Nov 6, 13:21 UTC · #19Nov 6, 13:51 UTC · #19Nov 6, 14:21 UTC · #18Nov 6, 14:51 UTC · #20Nov 6, 15:21 UTC · #21Nov 6, 15:51 UTC · #23Nov 6, 16:21 UTC · #22Nov 6, 16:51 UTC · #22Nov 6, 17:21 UTC · #22Nov 6, 17:51 UTC · #24Nov 7, 15:51 UTC · #21

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

Platform metric as reported by Lobsters.

03570106 Nov 4Nov 5Nov 6Nov 6Nov 7 Nov 4, 15:51 UTC · 3Nov 4, 16:21 UTC · 10Nov 4, 16:51 UTC · 12Nov 4, 17:21 UTC · 14Nov 4, 17:51 UTC · 18Nov 4, 18:21 UTC · 22Nov 4, 18:51 UTC · 25Nov 4, 19:21 UTC · 32Nov 4, 19:51 UTC · 34Nov 4, 20:21 UTC · 36Nov 4, 20:51 UTC · 38Nov 4, 21:21 UTC · 40Nov 4, 21:51 UTC · 44Nov 4, 22:21 UTC · 45Nov 4, 22:51 UTC · 50Nov 4, 23:21 UTC · 52Nov 4, 23:51 UTC · 53Nov 5, 00:21 UTC · 56Nov 5, 00:51 UTC · 57Nov 5, 01:21 UTC · 58Nov 5, 01:51 UTC · 61Nov 5, 02:21 UTC · 63Nov 5, 02:51 UTC · 64Nov 5, 03:21 UTC · 65Nov 5, 03:51 UTC · 67Nov 5, 04:21 UTC · 68Nov 5, 04:51 UTC · 68Nov 5, 05:21 UTC · 69Nov 5, 05:51 UTC · 71Nov 5, 06:21 UTC · 72Nov 5, 06:51 UTC · 75Nov 5, 07:21 UTC · 75Nov 5, 07:51 UTC · 76Nov 5, 08:21 UTC · 76Nov 5, 08:51 UTC · 78Nov 5, 09:21 UTC · 79Nov 5, 09:51 UTC · 79Nov 5, 10:21 UTC · 81Nov 5, 10:51 UTC · 82Nov 5, 11:21 UTC · 82Nov 5, 11:51 UTC · 82Nov 5, 12:21 UTC · 83Nov 5, 12:51 UTC · 85Nov 5, 13:21 UTC · 85Nov 5, 13:51 UTC · 87Nov 5, 14:21 UTC · 87Nov 5, 14:51 UTC · 89Nov 5, 15:21 UTC · 90Nov 5, 15:51 UTC · 90Nov 5, 16:21 UTC · 90Nov 5, 16:51 UTC · 90Nov 5, 17:21 UTC · 91Nov 5, 17:51 UTC · 92Nov 5, 18:21 UTC · 94Nov 5, 18:51 UTC · 94Nov 5, 19:21 UTC · 94Nov 5, 19:51 UTC · 95Nov 5, 20:21 UTC · 95Nov 5, 20:51 UTC · 95Nov 5, 21:21 UTC · 96Nov 5, 21:51 UTC · 96Nov 5, 22:21 UTC · 96Nov 5, 22:51 UTC · 97Nov 5, 23:21 UTC · 99Nov 5, 23:51 UTC · 100Nov 6, 00:21 UTC · 100Nov 6, 00:51 UTC · 100Nov 6, 01:21 UTC · 100Nov 6, 01:51 UTC · 101Nov 6, 02:21 UTC · 101Nov 6, 02:51 UTC · 101Nov 6, 03:21 UTC · 101Nov 6, 03:51 UTC · 102Nov 6, 04:21 UTC · 102Nov 6, 04:51 UTC · 102Nov 6, 05:21 UTC · 102Nov 6, 05:51 UTC · 102Nov 6, 06:21 UTC · 102Nov 6, 06:51 UTC · 102Nov 6, 07:21 UTC · 102Nov 6, 07:51 UTC · 102Nov 6, 08:21 UTC · 102Nov 6, 08:51 UTC · 102Nov 6, 09:21 UTC · 102Nov 6, 09:51 UTC · 103Nov 6, 10:21 UTC · 103Nov 6, 10:51 UTC · 103Nov 6, 11:21 UTC · 103Nov 6, 11:51 UTC · 104Nov 6, 12:21 UTC · 104Nov 6, 12:51 UTC · 104Nov 6, 13:21 UTC · 104Nov 6, 13:51 UTC · 104Nov 6, 14:21 UTC · 104Nov 6, 14:51 UTC · 106Nov 6, 15:21 UTC · 106Nov 6, 15:51 UTC · 106Nov 6, 16:21 UTC · 106Nov 6, 16:51 UTC · 106Nov 6, 17:21 UTC · 106Nov 6, 17:51 UTC · 106Nov 7, 15:51 UTC · 106

From the discussion

A few top-level comments from Lobsters, shortened. Read the full thread on Lobsters.

And we would have missed the community showing up, and having fun working together on a fix. I think this is acceptable in a pre-1.0 language.

Relevant issue: https://codeberg.org/ziglang/zig/issues/37402 Pending PR: https://codeberg.org/ziglang/zig/pulls/37417

That’s a lovely way of explaining quadratic time operations. I took a quick look at the linked zig code, and presumably it’s like this because it’s mapping c strings into nice safe zig arrays rather than treating them as unsafe streams of memory locations containing chars.

Questions

Is Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower trending on Lobsters right now?

Not at the moment. It was last on the list on Nov 7, 15:51 UTC, after 4 days of trending.

What is the highest rank Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower reached?

#2 on Lobsters · Hottest, on Nov 4, 17:51 UTC. Trendoday checks this list every 30 minutes.

How long has Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower been trending?

It was first seen on Nov 4, 2026 and has been on the list on 4 days (102 checks) since.