automerge-rs
nebari
automerge-rs | nebari | |
---|---|---|
12 | 11 | |
1,018 | 259 | |
- | 1.9% | |
9.8 | 4.6 | |
about 1 year ago | 7 months ago | |
JavaScript | Rust | |
MIT License | Apache License 2.0 |
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.
automerge-rs
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Automerge 2.0
See also, Autosurgeon (with a 0.3.0 release today), which is a higher level API on top of Automerge for Rust:
I'm building a mobile app with a server backend, and I was looking for resources to build them in an offline-first way (since unlike on the browser, people expect to use apps offline, if they can, such as fitness or habit trackers).
I found the concept of conflict-free relational data types (CRDTS) interesting as it allows you to have fully offline experiences while also having a conflict-free syncing experience. I was looking for some good libraries and came across automerge [0] and yrs [1], but both had some rough APIs as they're primarily low-level Rust libraries that are wrapped by higher-level TypeScript APIs.
Autosurgeon wraps the low-level API of automerge to make it much more ergonomic, closer to the TypeScript experience, but in Rust of course. You can for example use `struct`s which autosurgeon will serialize and deserialize automatically, which is not present in base automerge, which focuses more on string keys and arbitrary values.
I am planning on using this together with Flutter and flutter_rust_bridge [2] in order to use this same Rust library everywhere. In this case, the server just becomes another (albeit more privileged) client.
[0] https://github.com/automerge/automerge-rs
[1] https://github.com/y-crdt/y-crdt
[2] https://github.com/fzyzcjy/flutter_rust_bridge
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Autosurgeon 0.3.0, use conflict-free replicated data types (CRDTs) to build offline-first apps with an easy-to-use API based on Automerge
I found the concept of conflict-free relational data types (CRDTS) interesting as it allows you to have fully offline experiences while also having a conflict-free syncing experience. I was looking for some good libraries and came across automerge and yrs, but both had some rough APIs as they're primarily low-level libraries that are wrapped by TypeScript APIs.
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What do you recommend for conflict-free replicated data type (CRDT) support in Rust?
Yes, the plan is to use PostgreSQL. I had a discussion with one of the devs in this ticket about the strategy for this.
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Some key-value storage engines in Rust
In any case, my current plan is to use Automerge for the data handling itself (so I can easily do collaboration), but that crate doesn't handle on-disk storage. For this I need another solution, and a K/V store is well suited for this task.
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Official /r/rust "Who's Hiring" thread for job-seekers and job-offerers [Rust 1.66]
15 years working in software, Rust has been my favourite language for the last 2. Recently completed a contract to prototype a distributed Tailscale-inspired VPN built on Ink and Switch's CRDT project automerge-rs.
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You might not need a CRDT (Conflict-free Replicated Data Type)
Complex topic. There's a very easy-to-use CRDT library for Rust (automerge), while there isn't much support for operational transforms (although Aper is new to me, I have to check it out).
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Testing CRDTs in Rust, From Theory to Practice
I've been watching automerge-rs like a hawk, because they seem to be the only CRDT implementation where you don't need a Mathematics master to understand how to use it. They've been working on a rewrite for the last two years, hopefully they'll do a new release soon.
- Automerge: A JSON-like data structure (a CRDT) that can be modified concurrently
- Automerge: a new foundation for collaboration software [video]
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Show HN: SyncedStore CRDT – build multiplayer collaborative apps for React / Vue
https://github.com/automerge/automerge-rs
By the way despite that particular repo (@localfirst/state) last being touched 6 months ago, Herb Caudill definitely seems still active in this space (I believe he's been working on other parts of this more recently -- e.g. ideas about authentication), and I think automerge development itself is quite active right now leading up to a 1.0 release which seems fairly imminent, for which a lot of fundamental work has been done, also coordinating with automerge-rs.
nebari
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Some key-value storage engines in Rust
Or, you could also look at Nebari, which underlies BonsaiDB https://github.com/khonsulabs/nebari/
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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 Nebari which is the KV part of BonsaiDB I've used both successfully (and that is currently in production)
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redb 0.4.0: 2x faster commits with 1PC+C instead of 2PC
This looks like it could have been inspired by BonsaiDB's recent problems. I think the authors are now trying to achieve something similar to your project with a new storage layer called Sediment (which will become a part of Nebari if successful).
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File read performance comparison
I ran my benchmark suite on my 2017 i7 MacBook Pro (Filevault enabled), and I was able to perform a random "get" operation out of a 1 million record dataset in an average of 18us (microseconds).
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Announcing BonsaiDb v0.2.0: Custom Primary Keys, LZ4 Compression
I haven't spent much time documenting the low-level structures outside of the code itself.
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Announcing BonsaiDb v0.1.0: A Rust NoSQL database that grows with you
Nebari, the underlying storage layer, also has its own coverage report.
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Benchmarking relational data in BonsaiDb, a Rust-native NoSQL database
Quite well, but Sled doesn't support the same feature set. I've benchmarked our low-level storage layer against Sled in its own repostiory: Nebari Benchmark README. There are two links two criterion reports on that page.
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Are there any big projects written in Rust without any use of unsafe code?
I maintain several large codebases that have #![forbid(unsafe)] annotations, which prevent unsafe code from being written in those codebases directly. BonsaiDb clocks in at just shy of 30k LOC, and depends on Nebari which is another 12k LOC. Those two crates make up the bulk of a networked database implementation.
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What is the best key-value store for Rust 2021
I have, and there's a set of microbenchmarks in the repository. There are two links to reports on that page -- one that's executed on GitHub Actions, which can have quite widely varying performance, and one that's executed on a "dedicated" VPS instance from Scaleway -- exact specs are on that page. I've kicked off another run on that VPS, since it hasn't been run since October. It takes a while to run, so if it still says October, try hitting refresh a little later.
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What's everyone working on this week (40/2021)?
I replaced Sled in BonsaiDb with a new storage layer I wrote: Nebari. I just wrote a post this morning recalling my struggles over the last month to feel comfortable sharing this project outside of a smaller group of people.
What are some alternatives?
yjs - Shared data types for building collaborative software
glow - GL on Whatever: a set of bindings to run GL anywhere and avoid target-specific code
automerge - A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.
forbidden - An auth system/library for Rust applications
rust-libp2p - The Rust Implementation of the libp2p networking stack.
sled - the champagne of beta embedded databases
y-crdt - Rust port of Yjs
redb - An embedded key-value database in pure Rust
SyncedStore - SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.
engula - Engula is a distributed key-value store, used as a cache, database, and storage engine.
slate-yjs - Yjs binding for Slate
PickleDB - PickleDB-rs is a lightweight and simple key-value store. It is a Rust version for Python's PickleDB