cluster-key-slot
Advanced tools
Generates CRC hashes for strings - for use by node redis clients to determine key slots.
The cluster-key-slot npm package is designed for calculating the hash slot for a given key in a Redis Cluster. This is crucial for applications that interact with Redis Clusters, as it allows them to determine which node in the cluster is responsible for a given key. By doing so, it enables efficient data access and manipulation within a distributed Redis environment.
Calculate hash slot for a key
This feature allows you to calculate the hash slot for a given key. The code sample demonstrates how to import the cluster-key-slot package, use it to calculate the hash slot for the key 'myKey', and then log the result. This is useful for determining which node in a Redis Cluster will handle the key.
"use strict";
const calculateSlot = require('cluster-key-slot');
const slot = calculateSlot('myKey');
console.log(slot);ioredis is a robust, performance-focused, and full-featured Redis client for Node.js. It supports Redis Cluster out of the box, including automatic partitioning of commands across the cluster. While cluster-key-slot focuses solely on calculating hash slots, ioredis provides a comprehensive solution for interacting with Redis, including cluster support, which inherently deals with hash slots as part of its functionality.
redis-clustr is a Redis client for Node.js with support for clustering. It provides transparent command routing to the correct Redis node in a cluster, based on the key's hash slot. Unlike cluster-key-slot, which is a utility for calculating hash slots, redis-clustr is a full client that manages connections and commands within a Redis Cluster, including the calculation and handling of hash slots.
Readme to-do.
See npm scripts.
npm run test
npm run benchmark
Benchmark against current ioredis calc:
FAQs
Generates CRC hashes for strings - for use by node redis clients to determine key slots.
The npm package cluster-key-slot receives a total of 4,117,543 weekly downloads. As such, cluster-key-slot popularity was classified as popular.
We found that cluster-key-slot demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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