Trendoday

Show HN: Firenook – Firebase emulators in Rust: 40× faster writes, 10× less RAM

0 comments

  • Points171
  • Comments30
–Rank now
#14Peak rank
3Days on list
102Score · 7d
Nov 6, 2026First seen
Rank · 7 days

On Hacker News

Hi HN, we have been developing with Firebase for a long time, and the only way Firebase developers can build apps without directly costing them is using the official Firebase Emulator Suite. However, the issue with this suite is, it's dependent and running on Java with a old Console UI (not updated in years), that was not built to support tons and millions of data and has pretty bad developer experience. For a long time, we were hitting Out of Memory on even high specs laptop while developing…

Points
171
Comments
30
Submitted by
sanjevirau
Posted
Nov 5, 2026
Site
firenook.dev

Story details from Hacker News ↗ · linked article on firenook.dev.

Trending history

Show HN: Firenook – Firebase emulators in Rust: 40× faster writes, 10× less RAM was first seen on Hacker News · Front page on Nov 6, 2026. Since then it has appeared in 150 checks on 3 different days, across 3 lists (Hacker News · Front page, Hacker News · Show HN, Hacker News · Show HN · this week). Its best position was #14 of 30, reached on Nov 6, 15:37 UTC. It dropped off the list after Nov 8, 14:50 UTC.

Rank history

Position on Hacker News · Front page at every check (lower is better).

#1#11#20#30 00:0704:0307:5911:5615:52 Nov 6, 00:07 UTC · #29Nov 6, 00:22 UTC · #29Nov 6, 00:37 UTC · #29Nov 6, 00:52 UTC · #29Nov 6, 01:07 UTC · #28Nov 6, 01:22 UTC · #29Nov 6, 01:37 UTC · #27Nov 6, 01:52 UTC · #27Nov 6, 02:07 UTC · #26Nov 6, 02:22 UTC · #26Nov 6, 02:37 UTC · #27Nov 6, 02:52 UTC · #27Nov 6, 03:07 UTC · #27Nov 6, 03:22 UTC · #27Nov 6, 03:37 UTC · #23Nov 6, 03:52 UTC · #23Nov 6, 04:07 UTC · #24Nov 6, 04:22 UTC · #23Nov 6, 04:37 UTC · #23Nov 6, 04:52 UTC · #24Nov 6, 05:07 UTC · #25Nov 6, 05:22 UTC · #24Nov 6, 05:37 UTC · #25Nov 6, 05:52 UTC · #22Nov 6, 06:07 UTC · #22Nov 6, 06:22 UTC · #21Nov 6, 06:37 UTC · #21Nov 6, 06:52 UTC · #21Nov 6, 07:07 UTC · #19Nov 6, 07:22 UTC · #20Nov 6, 07:37 UTC · #20Nov 6, 07:52 UTC · #19Nov 6, 08:07 UTC · #20Nov 6, 08:22 UTC · #15Nov 6, 08:37 UTC · #17Nov 6, 08:52 UTC · #17Nov 6, 09:07 UTC · #16Nov 6, 09:22 UTC · #17Nov 6, 09:37 UTC · #18Nov 6, 09:52 UTC · #19Nov 6, 10:07 UTC · #19Nov 6, 10:22 UTC · #19Nov 6, 10:37 UTC · #19Nov 6, 10:52 UTC · #18Nov 6, 11:07 UTC · #18Nov 6, 11:22 UTC · #18Nov 6, 11:37 UTC · #18Nov 6, 11:52 UTC · #19Nov 6, 12:07 UTC · #17Nov 6, 12:22 UTC · #17Nov 6, 12:37 UTC · #17Nov 6, 12:52 UTC · #18Nov 6, 13:07 UTC · #18Nov 6, 13:22 UTC · #18Nov 6, 13:37 UTC · #18Nov 6, 13:52 UTC · #18Nov 6, 14:07 UTC · #18Nov 6, 14:22 UTC · #18Nov 6, 14:37 UTC · #18Nov 6, 14:52 UTC · #19Nov 6, 15:07 UTC · #18Nov 6, 15:22 UTC · #18Nov 6, 15:37 UTC · #14Nov 6, 15:52 UTC · #14

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

Platform metric as reported by Hacker News.

052104158 00:0704:0307:5911:5615:52 Nov 6, 00:07 UTC · 4Nov 6, 00:22 UTC · 5Nov 6, 00:37 UTC · 7Nov 6, 00:52 UTC · 8Nov 6, 01:07 UTC · 12Nov 6, 01:22 UTC · 15Nov 6, 01:37 UTC · 17Nov 6, 01:52 UTC · 21Nov 6, 02:07 UTC · 28Nov 6, 02:22 UTC · 33Nov 6, 02:37 UTC · 38Nov 6, 02:52 UTC · 40Nov 6, 03:07 UTC · 44Nov 6, 03:22 UTC · 50Nov 6, 03:37 UTC · 58Nov 6, 03:52 UTC · 60Nov 6, 04:07 UTC · 61Nov 6, 04:22 UTC · 63Nov 6, 04:37 UTC · 65Nov 6, 04:52 UTC · 69Nov 6, 05:07 UTC · 71Nov 6, 05:22 UTC · 72Nov 6, 05:37 UTC · 75Nov 6, 05:52 UTC · 80Nov 6, 06:07 UTC · 81Nov 6, 06:22 UTC · 85Nov 6, 06:37 UTC · 87Nov 6, 06:52 UTC · 88Nov 6, 07:07 UTC · 93Nov 6, 07:22 UTC · 95Nov 6, 07:37 UTC · 96Nov 6, 07:52 UTC · 101Nov 6, 08:07 UTC · 105Nov 6, 08:22 UTC · 107Nov 6, 08:37 UTC · 109Nov 6, 08:52 UTC · 110Nov 6, 09:07 UTC · 111Nov 6, 09:22 UTC · 112Nov 6, 09:37 UTC · 114Nov 6, 09:52 UTC · 116Nov 6, 10:07 UTC · 118Nov 6, 10:22 UTC · 118Nov 6, 10:37 UTC · 118Nov 6, 10:52 UTC · 118Nov 6, 11:07 UTC · 119Nov 6, 11:22 UTC · 124Nov 6, 11:37 UTC · 124Nov 6, 11:52 UTC · 126Nov 6, 12:07 UTC · 127Nov 6, 12:22 UTC · 134Nov 6, 12:37 UTC · 137Nov 6, 12:52 UTC · 139Nov 6, 13:07 UTC · 142Nov 6, 13:22 UTC · 143Nov 6, 13:37 UTC · 146Nov 6, 13:52 UTC · 148Nov 6, 14:07 UTC · 149Nov 6, 14:22 UTC · 150Nov 6, 14:37 UTC · 152Nov 6, 14:52 UTC · 153Nov 6, 15:07 UTC · 155Nov 6, 15:22 UTC · 155Nov 6, 15:37 UTC · 156Nov 6, 15:52 UTC · 158

Where it trended

ListBestDaysChecksLast seen
Hacker News · Front page#14164
Hacker News · Show HN#1126
Hacker News · Show HN · this week#12360

From the discussion

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

Looks nice! Somewhat off topic question though: if you guys are such skilled developers to be building something as involved as this, why not just use something other than Firebase? I used Firebase mainly as a crutch when I was first getting into web dev, but feel that I’ve sorta outgrown it. Do you feel Firebase…

This is really neat! I've been working on an open-source version of the Firebase Realtime Database as well that might be of interest[1]. Also written in Rust! Might be a good basis for building out the Realtime Database part of Firenook if you have any interest in supporting that as well. [1]…

Awesome, not surprised to hear that Google still neglects to improve this experience, but you called out exactly why: > [...] the only way Firebase developers can build apps without directly costing them is using the official Firebase Emulator Suite We had started on the management UI portion of this at my old job…

Questions

Is Show HN: Firenook – Firebase emulators in Rust: 40× faster writes, 10× less RAM trending on Hacker News right now?

Not at the moment. It was last on the list on Nov 8, 14:50 UTC, after 3 days of trending.

What is the highest rank Show HN: Firenook – Firebase emulators in Rust: 40× faster writes, 10× less RAM reached?

#14 on Hacker News · Front page, on Nov 6, 15:37 UTC. Trendoday checks this list every 15 minutes.

How long has Show HN: Firenook – Firebase emulators in Rust: 40× faster writes, 10× less RAM been trending?

It was first seen on Nov 6, 2026 and has been on the list on 3 days (150 checks) since.

How much discussion did it get on Hacker News?

171 points and 30 comments; submitted by sanjevirau on Nov 5, 2026.