redis-lock

Redis distributed lock across multiple instances/servers using setnx

Requirements

- Redis 2.6.12

Install

npm install

Examples

var lock = require('redis')

API

Both methods return promises.

acquire (key, options)

Take the lock and avoid others to take it.

`key` is a string key identifying the lock

options

`ttl` Lock time to live in milliseconds (will be automatically released after that time)

`timeout` Time trying to get lock before (ms)

`wait` Time between 2 tries getting lock (ms)

release (key)

Release the lock for others.

`key` string identifying the lock

isLocked (key)

Tells if the lock is taken.

`key` string identifying the lock

returns `true` or `false`

renew (key, ttl)

`key` string identifying the lock

`ttl` new lock time-to-live in ms

License

MIT