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egg-redlock-9

v1.0.2

Published

An easy-to-use egg plugin that implements distributed locks based on redlock

Downloads

12

Readme

egg-redlock-9

node version NPM version npm download

The plugin implements distributed locks by reference to redlock and adds two methods, run and once.

中文说明

Install

$ npm i egg-redlock-9 --save

Dependent plugin

Usage

// config/plugin.js
exports.redlock9 = {
  enable: true,
  package: 'egg-redlock-9',
};
// {app_root}/config/config.default.js
exports.redis = {
  /* your redis configuration */
}
exports.redlock9 = {
  clients: [ 'redis1', 'redis2', 'redis3' ],
  logger: app => e => app.info(e.message), // logger when lock failed, can be false
  options: {
    driftFactor: 0.01, // time in ms
    retryCount: 5,
    retryDelay: 200, // time in ms
    retryJitter: 50, // time in ms
};
// {app_root}/app/****.js
await app.redlock9.run(resouce, ttl, async (lock) => { /* do something */ }); // run in lock
const success = await app.redlock9.once(resouce, async (lock)=>{ /* do something */ }, wait, duration) // run only once during the duration 

//You can also use the api of redlock as app.redlock.unlock(lock)

Api docs for redlock

Configuration

see config/config.default.js for more detail.

Unit tests

Run redis-server in localhost first

npm run test

License

MIT This README was translate by google