frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

You can now directly sync Postgres with Redis

https://github.com/redfly-ai-org/redfly.ai
22•vijaymohan1979•1y ago

Comments

yohannparis•1y ago
No Pricing information nor an open-source project. I don't know what to do with this product.
jasonlotito•1y ago
Assuming the link to the repo is correct: it's open source.

https://github.com/redfly-ai-org/redfly.ai/blob/main/LICENSE

bradleyjkemp•1y ago
I believe this is another case of abusing GitHub for visibility, not actually doing anything meaningful open source

The code in the repo just seems to be connection code ("provides a way for anybody to test our Redis synchronization service on demand") rather than the sync service itself

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
maxmcd•1y ago
Since db cache consistency is a complex research space with things like https://readyset.io/ and https://www.usenix.org/system/files/conference/nsdi13/nsdi13... it would be great to hear more specifics about what this is giving up in order to sidestep all that complexity.
_1tem•1y ago
There’s also Polyscale as a service.
vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
henning•1y ago
It'd be nice to see documentation of how it works. Is it using a replication channel for Postgres? The write-ahead log? It looks like it does schema introspection and then works off that. How does it handle schema changes? How does this work in scenarios where you have multi-master replication? What's the compatibility with popular Postgres extensions like PostGIS? What happens if the database is rebooted or crashes? Yes I realize the source is there.
porridgeraisin•1y ago
> Yes, I realize the source is there

It isn't actually. The codein the repo just seems to be some scaffolding.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
hangonhn•1y ago
Did you really mean to leave your AES key in the code in RedflyEncryptionKeys?

> public const string AesKey = ...

Also, the way AES is used in the code is not good practice. It seems to be using plain AES ( https://learn.microsoft.com/en-us/dotnet/api/system.security... ), which isn't meant to be used bare like that. It needs to be coupled with a digest algorithm to protect the ciphertext. Maybe use AesGcm instead?

foxyv•1y ago
The reason for this is that AES is not an authenticated algorithm so there is no way to determine if the ciphertext has been modified since encryption. The ciphertext could be modified/corrupted and you wouldn't know.

Also, AES is deterministic and will encrypt the same data the same way every time. This means if you are encrypting a lot of fields you will be able to do statistical attacks. Using an initialization vector with AES GCM is similar to salting a hash. This way there is no statistical method to determine the contents of the ciphertext.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
solatic•1y ago
Can someone ELI5 where this is going to be valuable?

If you set up Postgres read replicas, make sure your queries are covered by appropriate indexes, and your hot queries are handled by Postgres from RAM anyway - do you really need a separate Redis cache?

I feel like anytime I'm going to pull in Redis for a cache, it's going to be for data that I'm not interested in having guaranteed persistency for, like session tokens, and so it'll be for data that I wouldn't be storing in Postgres anyway?

lotharcable•1y ago
Probably useful for sharing stuff with services that already have access to redis, but you don't want to add SQL client dependencies for and/or don't want to give access to your database.

But you want to be able to store/have single source of authority and update them using a SQL database.

This would then eliminate the need to maintain a separate lambda or cron job or something like that to keep them in sync.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A

Half-Baked Product

https://weli.dev/blog/half-baked-product/
209•weli•3h ago•54 comments

Virginia bans sale of geolocation data

https://www.hunton.com/privacy-and-cybersecurity-law-blog/virginia-bans-sale-of-geolocation-data
824•toomuchtodo•14h ago•129 comments

Right to Local Intelligence

https://righttointelligence.org/
294•thoughtpeddler•11h ago•97 comments

CarPlay Is Additive

https://www.caseyliss.com/2026/7/2/carplay-is-additive-you-dolts
342•sprawl_•10h ago•450 comments

Wordgard: The new in-browser rich-text editor from the creator of ProseMirror

https://wordgard.net/
33•indy•2h ago•9 comments

Alibaba to ban Claude Code in workplace over alleged backdoor risks, source says

https://www.reuters.com/world/china/alibaba-ban-claude-code-workplace-over-alleged-backdoor-risks...
115•nsoonhui•2h ago•71 comments

How working with a blind client revealed invisible accessibility gaps

https://iinteractive.com/resources/blog/read-only
28•fortyseven•3d ago•7 comments

crustc: entirety of `rustc`, translated to C

https://github.com/FractalFir/crustc
292•Philpax•12h ago•57 comments

Since Linux 6.9, LUKS suspend stopped wiping disk-encryption keys from memory

https://mathstodon.xyz/@iblech/116769502749142438
487•IngoBlechschmid•20h ago•209 comments

The Safari MCP server for web developers

https://webkit.org/blog/18136/introducing-the-safari-mcp-server-for-web-developers/
113•coloneltcb•9h ago•24 comments

Q&A with Micron's VP and GM of Memory

https://morethanmoore.substack.com/p/q-and-a-with-microns-vp-and-gm-of
10•zdw•2d ago•3 comments

Reality has a surprising amount of detail (2017)

https://johnsalvatier.org/blog/2017/reality-has-a-surprising-amount-of-detail
284•vinhnx•5d ago•107 comments

Podman v6.0.0

https://blog.podman.io/2026/07/introducing-podman-v6-0-0/
549•soheilpro•21h ago•216 comments

Exapunks (2018)

https://www.zachtronics.com/exapunks/
301•yu3zhou4•16h ago•101 comments

Immich 3.0

https://github.com/immich-app/immich/discussions/29439
447•hashier•21h ago•227 comments

Quake in 13 Kilobytes (2021)

https://js13kgames.com/games/q1k3
50•mortenjorck•6d ago•6 comments

14× faster embeddings: how we rebuilt the ONNX path in Manticore

https://manticoresearch.com/blog/onnx-embeddings-speedup/
60•snikolaev•7h ago•10 comments

Show HN: Pieces – Social network for people

https://try.piecesof.me/
43•domo__knows•1d ago•42 comments

Underwater Suit-Wearing Cyborg Insect Capable of Diving and Terra-Aqua Travel

https://www.nature.com/articles/s41467-026-74235-1
50•gscott•3d ago•20 comments

Commodore 64 Basic for PostgreSQL

https://thombrown.blogspot.com/2026/07/load-plcbmbasic81-commodore-64-basic.html
6•hans_castorp•2h ago•1 comments

An American Privacy Emergency

https://scottaaronson.blog/?p=9902
324•flowercalled•11h ago•97 comments

The short leash AI coding method for beating Fable

https://blog.okturtles.org/2026/07/short-leash-ai-method/
143•Riseed•16h ago•180 comments

Superpowers 6

https://blog.fsck.com/2026/06/15/Superpowers-6/
160•seahorseemoji•2d ago•62 comments

Postgres transactions are a distributed systems superpower

https://www.dbos.dev/blog/co-locating-workflow-state-with-your-data
188•KraftyOne•16h ago•80 comments

FoundationDB's Flow – Bringing Actor-Based Concurrency to C++11

https://apple.github.io/foundationdb/flow.html
75•sourdecor•20h ago•18 comments

Claude-real-video - any LLM can watch a video

https://github.com/HUANGCHIHHUNGLeo/claude-real-video
139•cortexosmain•16h ago•44 comments

Great Salt Lake Tracker – Grow the Flow

https://growtheflowutah.org/laketracker/
106•cfowles•15h ago•37 comments

This is my attempt to get Vulkan going on NetBSD

https://github.com/segaboy/vulkan-netbsd
111•segaboy81•16h ago•33 comments

EFF letter to FTC on X consent order [pdf]

https://www.eff.org/deeplinks/2026/06/eff-and-allies-xs-ftc-petition-waive-privacy-violation-orde...
144•Terretta•16h ago•61 comments

A Special Wireless-Free Nikon Camera Is Publicly Available for the First Time

https://petapixel.com/2026/06/24/a-special-wireless-free-nikon-camera-is-publicly-available-for-t...
68•HardwareLust•1w ago•58 comments