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🃏 A distributed unique ID generator inspired by Twitter's Snowflake.

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sonyflake-rs

Build crates.io docs.rs License

A distributed unique ID generator inspired by Twitter's Snowflake.

This is a Rust implementation of the original sony/sonyflake, which is written in Go.

A Sonyflake ID is composed of

  • 39 bits for time in units of 10 msec
  • 8 bits for a sequence number
  • 16 bits for a machine id

Install

Add the following to your Cargo.toml:

[dependencies]
sonyflake = "0.2"

Quickstart

use sonyflake::Sonyflake;

let sf = Sonyflake::new().unwrap();
let next_id = sf.next_id().unwrap();
println!("{}", next_id);

Benchmarks

Benchmarks were run on a MacBook Pro (15-inch, 2017) with a 2,8GHz i7 and 16 GB memory. Run them yourself with cargo bench.

test bench_decompose ... bench:       1,066 ns/iter (+/- 132)
test bench_new       ... bench:     738,129 ns/iter (+/- 318,192)
test bench_next_id   ... bench:      37,390 ns/iter (+/- 499)

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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