dragonfly
KeyDB
Our great sponsors
dragonfly | KeyDB | |
---|---|---|
49 | 24 | |
23,791 | 10,680 | |
6.1% | 19.0% | |
9.9 | 8.4 | |
3 days ago | 9 days ago | |
C++ | C++ | |
BSL 1.1 | BSD 3-clause "New" or "Revised" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
dragonfly
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Redict is an independent, copyleft fork of Redis
https://github.com/dragonflydb/dragonfly is another option. Not a fork but API-compatible reimplementation.
- Redis License Changed
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Scaling Real-Time Leaderboards with Dragonfly
Our journey will involve leveraging the capabilities of Dragonfly, a highly efficient drop-in replacement for Redis, known for its ultra-high throughput and multi-threaded share-nothing architecture. Specifically, we'll be utilizing two of Dragonfly's data types: Sorted-Set and Hash. These data structures are perfect for handling real-time data and ranking systems, making them ideal for our leaderboards.
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Announcing Dragonfly Search
2023 has been a year with remarkable advancements in AI capabilities, and at Dragonfly, we are thrilled to power new use cases with our latest release: Dragonfly Search. This new feature set, debuting in Dragonfly v1.13, is a subset of RediSearch-compatible commands implemented natively in Dragonfly, allowing for both vector search and faceted search use cases in the highly scalable and performant Dragonfly in-memory data store.
- Dragonfly v1.10.0
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Dragonfly Cache Design
If you have not heard about Dragonfly - please check it out. It uses - what I hope - novel and interesting ideas backed up by the research from recent years [1] and [2]. It's meant to fix many problems that exist with Redis today. I have been working on Dragonfly for the last 7 months and it has been one of the more interesting and challenging projects I've ever done!
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Generating Income from Open Source
I recently ran across the the license for Dragonfly [1] which has some restrictions (rights reserved), but 5 years after the license date the license switches to Apache 2.0. Basically a timed-limited rights reservation. I don't hate it. I might even contribute to such a project for free.
I would consider something like this: When I release code, it's rights reserved for 5 years, then open-source (and this baked into an irrevocable license). Anyone may use the software for non-commercial purposes. Anyone may contribute, those who contribute will be granted permission for commercial use if I deem their contributions significant enough. Anyone may distribute the software under these terms.
If such a model became popular, I have a hard time imagining it could make things any worse. It might even accelerate open-source development. You might say, "but it's not open-source", fair enough, but we can view it as open-source contribution with a delay. For example, if this model became wildely popular this year, and we saw great progress with this model, then come 2028 we would be flooded with new open-source software and ultimately might be better off than it would have been without this model.
(And this whole thing makes me rethink copyright and patents and how much they really contribute to society. Perhaps they should be shortened?)
[1]: https://github.com/dragonflydb/dragonfly/blob/main/LICENSE.m...
- dragonflydb/dragonfly: A modern replacement for Redis and Memcached
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Redis HA on k8s without Sentinel?
Maybe check out https://www.dragonflydb.io/ It claims to have a full redis implementation.
- Dragonfly is about 10x slower than Redis
KeyDB
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Redict 7.3.0, a copyleft fork of Redis, is now available
Three. KeyDB forked before the recent shake-up.
https://github.com/Snapchat/KeyDB
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KeyDB: A Multithreaded Fork of Redis
Can you explain what lead you to believe it's dead?
Looking at the Issues in their Github, a couple of days ago they mentioned to be working on some features in a branch.
https://github.com/Snapchat/KeyDB/issues/798#issuecomment-20...
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Redict is an independent, copyleft fork of Redis
https://github.com/Snapchat/KeyDB
KeyDB is an existing fork that’s well supported and has a solid community for those interested. It takes a different philosophy to Redis but can be a drop in replacement in many cases
- KeyDB – A Multithreaded Fork of Redis
- Redis License Changed
- [BUG] Address is used after it has been freed (dict).
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The first version of Redis, written in Tcl
To me it's still not clear if 6.3.x is stable (https://github.com/Snapchat/KeyDB/issues/494) and performant (https://github.com/Snapchat/KeyDB/issues/470).
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Migrating from Redis to KeyDB
I posted about KeyDB, a multi-threaded fork of Redis, here already a while ago. We still use it in some cases and find it beneficial.
- Snapchat/KeyDB: A Multithreaded Fork of Redis
What are some alternatives?
skytable - Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences
keydb-operator - A KeyDB (Drop-In Alternative to Redis) Operator for Kubernetes, based on Ansible Operator SDK.
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
SSDB - SSDB - A fast NoSQL database, an alternative to Redis
Memcached - memcached development tree
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
Aerospike - Aerospike Database Server – flash-optimized, in-memory, nosql database
tikv - Distributed transactional key-value database, originally created to complement TiDB
glommio - Glommio is a thread-per-core crate that makes writing highly parallel asynchronous applications in a thread-per-core architecture easier for rustaceans.
webdis - A Redis HTTP interface with JSON output
Tendis - Tendis is a high-performance distributed storage system fully compatible with the Redis protocol.