sled
KeyDB
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| sled | KeyDB | |
|---|---|---|
| 37 | 24 | |
| 7,723 | 10,499 | |
| - | 17.6% | |
| 2.4 | 8.6 | |
| 9 days ago | 12 days ago | |
| Rust | C++ | |
| Apache License 2.0 | 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.
sled
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SableDb – a key/value store that uses RocksDB and Redis API (written in Rust)
a few times, seems interesting. The author's also built a lot of other cool concurrency primitives for Rust as well.
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Is Something Bugging You?
- Dropbox [3] uses a similar approach but they talk about it a bit more abstractly.
Sans-IO is more documented in Python [4], but str0m [5] and quinn-proto [6] are the best examples in Rust I’m aware of. Note that sans-IO is orthogonal to deterministic test frameworks, but it composes well with them.
With the disclaimer that my opinions are mine and mine alone, and don’t reflect the company I work at —— I do work at a rust shop that has utilized these techniques on some projects.
TigerBeetle is an amazing example and I’ve looked at it before! They are really the best example of this approach outside of FoundationDB I think.
[0]: https://risingwave.com/blog/deterministic-simulation-a-new-e...
[1]: https://risingwave.com/blog/applying-deterministic-simulatio...
[2]: https://dropbox.tech/infrastructure/-testing-our-new-sync-en...
[3]: https://github.com/spacejam/sled
[4]: https://fractalideas.com/blog/sans-io-when-rubber-meets-road...
[5]: https://github.com/algesten/str0m
[6]: https://docs.rs/quinn-proto/0.10.6/quinn_proto/struct.Connec...
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RFC: redb (embedded key-value store) nearing version 1.0
How do you compare this to sled? https://github.com/spacejam/sled
Sled uses bw-tree actually https://github.com/spacejam/sled/wiki/sled-architectural-outlook
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Production grade databases in Rust
There is a valid argument to be made for threads over async in a large percentage of use cases where async is considered the default. If this is what you are referring to however, I don't think they ever referred to async as completely useless: https://github.com/spacejam/sled/issues/1123.
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Best local database that works on all platforms including web?
Have you looked into other pure-Rust databases as well, such as sled or GlueSQL which has an SQL interface on top of sled? I wonder how those would compare to Persy.
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Are there any embedded databases that have multiple-process support?
I'm not sure what you need. Are these of any use? https://github.com/meilisearch/heed https://github.com/spacejam/sled
- Some key-value storage engines in Rust
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Are there a demand for management system of embedded storage like RocksDB? I plan to build one in Rust as the language becoming a core of many popular databases but wonder if there’s a demand. Can’t find any similar project even in other languages.
There is also Sled but as I understand it that is being reworked to use the author's new DB core Marble
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.
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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
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Redis License Changed
Check out DragonflyDB (BSL): https://www.dragonflydb.io/
BSL is not OSI-approved, but it’s a much more reasonable AWS-resistant license. It’s the same license CockroachDB uses, for example.
KeyDB (BSL, acquired by Snapchat) is also an option: https://keydb.dev/
BSL is a much better license, but it’s a gamble on how long KeyDB will be supported. I don’t want to mess around with such a core part of my architecture.
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The first version of Redis, written in Tcl
I think this is relevant... These are 3 OSS databases that can be an alternative to Redis:
- KeyDB: https://github.com/snapchat/keydb
- Dragonfly: https://github.com/dragonflydb/dragonfly
- Skytable: https://github.com/skytable/skytable
I have used keyDB before. The raft consensus makes building an HA Redis easy.
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).
- I deleted 78% of my Redis container and it still works
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So, you call yourself the fastest key/value store? It's 5X, 10x and 25X faster
- KeyDB: https://github.com/snapchat/keydb
What are some alternatives?
dragonfly - A modern replacement for Redis and Memcached
RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.
rust-rocksdb - rust wrapper for rocksdb
keydb-operator - A KeyDB (Drop-In Alternative to Redis) Operator for Kubernetes, based on Ansible Operator SDK.
SSDB - SSDB - A fast NoSQL database, an alternative to Redis
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
tikv - Distributed transactional key-value database, originally created to complement TiDB
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
redis-rs - Redis library for rust
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
Tendis - Tendis is a high-performance distributed storage system fully compatible with the Redis protocol.