node-redis is a complete Redis client for node.js. It supports all Redis commands, including many recently added commands like EVAL from experimental Redis server branches.
Questions tagged [node-redis]
756 questions
9
votes
2 answers
How to get index of latest element in List Redis?
How to get index of latest element in List Redis?
For example in List is stored id's of messages, I need get last ID message and return index this element.
PiligrimBilim
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9
votes
3 answers
How can I run redis on a single server on different ports?
I'm using kue which uses node_redis, but I'm also already using node_redis for my sessions, so I'd like to have kue create a server on a specific port say the default 6379 and then kue listen on port 1234.
How would I be able to do this? I found…
bob_cobb
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9
votes
2 answers
how can I get sessions to work using redis, express & socket.io?
So I am trying to get Sessions to work inside my socket.on('connection', ...)
I am trying to get this working using recent versions: Socket.io - 0.9.13, Express - 3.1.0 and latest versions of other modules.
Anyway I have tried using both modules…
Josh Mc
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8
votes
4 answers
Redis redis.createClient() in Typescript
I was trying to connect Redis (v4.0.1) to my express server with typescript but having a bit issue. Am learning typescript. It's showing redlines on host inside redis.createClient() Can anyone help me out?
const host = process.env.REDIS_HOST;
const…
Robbi
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8
votes
1 answer
Redis Upgrade from 3.0.7 to 5
I have plenty of Sentinel and Cluster servers running 3.0.7 and need to upgrade to 5. I cannot afford downtime. Can someone please advice me how to do it?
Some DBs are so big that the servers cannot allocate a new/second instance in case of the best…
Jirene
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8
votes
2 answers
redis.lpush a number of items
In my node.js script I have an array of strings, and I want to LPUSH these strings into a Redis queue. I tried:
var redis = require('redis').createClient();
redis.lpush('queue', ['1', '2', '3'])
which results in a single string being pushed:
redis…
akonsu
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8
votes
1 answer
Atomic set only if not already set
Is there any way to do an atomic set only if not already set in Redis?
Specifically, I'm creating a user like "myapp:user:user_email" and want Redis to give me back an error if "user_email" is already taken, instead of silently replacing the old…
Aaron Yodaiken
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7
votes
13 answers
Node Redis does not work on my windows computer even though the server is up and running
const express = require("express");
const redis = require("redis");
const app = express();
const client = redis.createClient({
url: "redis://admin123@ec2-35-182-15-126.ca-central-1.compute.amazonaws.com",
});
client.on("connect", function () {
…
Codedeyya
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7
votes
1 answer
Redis: ERR wrong number of arguments for 'auth' command
I'm using redis with nodejs. Version: "redis": "^3.1.2"
When my server connects to redis, I get the following error:
ERR wrong number of arguments for 'auth' command
I'm guessing it has something to do with the URL, which looks like…
denislexic
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7
votes
4 answers
ReplyError: MOVED error after connecting to Redis Cluster AWS
I am building a nodejs app that connects to redis. I have this working with my local instance of redis. Now, I am using ioredis to connect from my nodejs app to my redis cluster in k8s in AWS. Here is what I have.
const Redis =…
afriedman111
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7
votes
1 answer
How to subscribe a Redis channel from a React Component
How can I subscribe a redis channel inside a React Component when it is mounted (i.e, inside the componentDidMount() ) ?
In the internet almost everywhere I see the redis implementation with nodejs but can't find any
sufficient hints how to use…
Shamim
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7
votes
2 answers
Connecting to both master and slave in a replicated Redis cluster
I'm setting up a simple 1 Master - N Slaves Redis cluster (low write round, high read count). How to set this up is well documented on the Redis website, however, there is no information (or I missed it) about how the clients (Node.js servers in my…
Nepoxx
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7
votes
3 answers
How to store array of objects in Redis?
I have an array of Objects that I want to store in Redis. I can break up the array part and store them as objects but I am not getting how I can get somethings like
{0} : {"foo" :"bar", "qux" : "doe"}, {1} : {"name" "Saras", "age" : 23}
and then…
Saras Arya
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7
votes
1 answer
Understanding web caching (Redis)
I'm working on a web app that receives data from an API provider. Now I need a way to cache the data to save from calling the provider again for the same data.
Then I stumbled on Redis which seems to serve my purpose but I'm not 100% clear about the…
Seong Lee
- 10,314
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7
votes
1 answer
one to one chat app with node.js, socket.io and redis
I currently have a chat application(one to one) in node.js and socket.io. as the users in my website are increasing, i want to introduce redis in my chat app.
Here is a small example of my current app:
// all requires and…
user3455531
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