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@subspace/jump-consistent-hash

1.0.0 • Public • Published

Jump-consistent hash implementation

Read https://arxiv.org/abs/1406.2294 for details, this package works with 64-bit/8-byte inputs in form of Uint8Arrays.

How to install

npm install @subspace/jump-consistent-hash

NOTE: Requires Node.js v12+ or modern browser with BigInt support

How to use

TypeScript:

import {randomBytes} from 'crypto';
import {jumpConsistentHash} from '@subspace/jump-consistent-hash';
 
const bucket = jumpConsistentHash(randomBytes(8), 10);

API

jumpConsistentHash.jumpConsistentHash(key: Uint8Array, numBuckets: number): number

Takes a key and number of buckets and returns bucket from range [0, numBuckets).

  • key - 8 bytes key
  • numBuckets - number of buckets to which keys should be distributed

install

npm i @subspace/jump-consistent-hash

Downloadsweekly downloads

2

version

1.0.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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