automerge
sled
automerge | sled | |
---|---|---|
45 | 37 | |
3,134 | 7,772 | |
4.0% | - | |
9.2 | 1.8 | |
7 days ago | 23 days ago | |
JavaScript | Rust | |
MIT License | Apache License 2.0 |
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automerge
- Automerge CRDT
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Flutter offline
I'm not aware of any usable CRDT implementations for Dart, my plan is to use the flutter_rust_bridge to make use of automerge v2, which is a full CRDT implementation written in Rust that has the advantage of having a very simple API to work with (basically a key/value store).
- Ask HN: What is new in Algorithms / Data Structures these days?
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Best local database that works on all platforms including web?
Yes. I asked the devs about ideas for this in this ticket and got an interesting response. It's aimed towards server-side handling, but the same ideas apply to local storage as well.
- Show HN: Pg_CRDT – an experimental CRDT extension for Postgres
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CRDTs: A Beginner's overview for building a collaborative app
There are a lot of implementations of CRDTs out there. In JavaScript, for instance, we have Y.js (https://github.com/yjs/yjs) and automerge (https://github.com/automerge/automerge). There’s also a Y.js demo (https://demos.yjs.dev/prosemirror/prosemirror.html) that allows you to play around with them and have your own collaborative app running in just a few seconds. All messages are exchange via webRTC and manages the state via CRDTs. This can be a great sandbox to understand how CRDTs work and see.
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Evan Wallace CRDT Algorithms
Anyone unsure of what a CRDT is, this is the perfect intro: https://www.inkandswitch.com/peritext/
The two most widely used CRDT implementations (combining JSON like general purpose types and rich text editing types) are:
- Automerge https://github.com/automerge/automerge
- Yjs https://github.com/yjs/yjs
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Should I Move From PHP to Node/Express?
For instance, practicing "local first web" using automerge with all it's Distributed Persistence Primitives on CRDT's and Vector Clocks - i.e. when the Browser View is treated like a Database replica, essentially; or adopting a real data mapper that's giving you an API from your database Schema, using Prisma or Hasura... or even implementing a custom codegenereted one, as a babel plugin, on top of TSED and Micro-ORM.
- Maintaining Referential Integrity During Insertions And Deletions
- Muse 2.0
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.
[0] https://github.com/spacejam/sled
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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
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
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GreptimeDB: a new open source database designed for large-scale time-series data storage and processing, written in rust
There are some databases like sled/FlashDB designed to be embedded to other applications even bare metal microcontrollers. But I do doubt the potential bussiness value of a pure embedded database.
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Ask HN: Serverless” key value store with transactions?
https://github.com/spacejam/sled
To add transaction support, you probably need a good understanding of how the memtable works in Log Structured Merge trees:
What are some alternatives?
yjs - Shared data types for building collaborative software
RocksDB - A library that provides an embeddable, persistent key-value store for fast storage.
crdt-benchmarks - A collection of CRDT benchmarks
rust-rocksdb - rust wrapper for rocksdb
y-websocket - Websocket Connector for Yjs
redis-rs - Redis library for rust
FluidFramework - Library for building distributed, real-time collaborative web applications
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
slate-yjs - Yjs binding for Slate
mini-redis - Incomplete Redis client and server implementation using Tokio - for learning purposes only
SyncedStore - SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.
heed - A fully typed LMDB wrapper with minimum overhead 🐦