redis-adapter | Redis PSR-6 Cache pool | Caching library
kandi X-RAY | redis-adapter Summary
kandi X-RAY | redis-adapter Summary
[READ-ONLY] Redis PSR-6 Cache pool
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Top functions reviewed by kandi - BETA
- Clear all objects from cache
- Clear all objects from the cluster .
- Clear one object from cache
- Stores an item in the cache .
- Fetch object from cache .
- Get value from cache
- Append a list item .
- Get list values .
- Remove a list
- Remove a list item .
redis-adapter Key Features
redis-adapter Examples and Code Snippets
$client = new \Redis();
$client->connect('127.0.0.1', 6379);
$pool = new RedisCachePool($client);
$client = new \RedisArray(['127.0.0.1:6379', '127.0.0.2:6379']);
$pool = new RedisCachePool($client);
$client = new \RedisCluster(null, ['127.0.0.1
Community Discussions
Trending Discussions on redis-adapter
QUESTION
While I'm reading this article from the Socket.io documentation
I found that the following two packages @socket.io/redis-adapter
and @socket.io/redis-emitter
are used to emit data to the clients that are on the other servers.
Are these two packages different? And if yes what is the difference? And when to use one instead of the other?
...ANSWER
Answered 2022-Mar-24 at 14:46The short answer from Damien — a core committer of Socket.io
The adapter is a component inside the Socket.IO server, while the emitter can be used in another process/service.
And there are two diagrams in the documentation explaining the duties of each package
The long answerThey are pretty similar with the following two differences:
@socket.io/redis-adapter
- Must be linked with a
socket.io
server, And you must provide it a publish and subscribe redis client. like the following:
QUESTION
I have NodeJS application running with Socket.io for real-time updates. I am using PM2 process manager for production Node.js application. Now I want to use cluster mode in PM2. As nodejs applications runs in single process, I want to utilize max cpu available in on my server system. Currently I have 4 cores in my system. So with PM2 cluster mode, i can utilize all cores and PM2 will handle everything on its own behind the scene.
When using single server instance, My nodejs app with socket.io working fine with client. But when i am using cluster mode, PM2 launches 4 server instances. I tried to connect multiple client (through opening serveral terminals and running client side part on them) and they are connecting successfully with instances launched by PM2 in random manner which is expected and fine.
What i want to do?
- Initiate the pm2 with cluster mode
- clients can connect with any of the launched instance by pm2
- after client connects, Server-1 will emit the events which should be sent to all the clients connected to all server
- After successfully testing above steps, i will integrate the logic of room, but as i am not getting success in step 3, I am not going for setp 4.
My problem is, when i want to emit event from server-1 to clients, it should be sent to all clients connected to all 4 server instance (server-1, server-2, server-3, server-4 instances launched by PM2).
But whenever i am emiting event from server-1, it only gets sent to clients connected to server-1 only.
and i get error in server logs,
...ANSWER
Answered 2022-Jan-16 at 20:41I think that's because the redis@4 clients must be manually connected first:
QUESTION
When i try to connect redis which based on redislab, i am getting following error Redis ready ReplyError: NOAUTH Authentication required.
...ANSWER
Answered 2022-Jan-12 at 07:57Switch to old redis console style, select the database from list. On configuration tab, you will see a default user password.
try the url link format like this redis://default:@redis-123.redislabs.com:30011
QUESTION
When using SocketIO
in an application that runs behind a node-balancer, the official documentation states the way to pass events between those nodes (using SocketIO-Redis
):
ANSWER
Answered 2020-Sep-26 at 18:26How would one implement a Redis-Adapter when using the SocketIO-JS-standalone version?
I don't know why you use "standalone" here. I think you mean the JavaScript Socket.IO client, which does not have anything to do with Redis, regardless of what Socket.IO server you use.
The Redis support is implemented by the server. For the Node Socket.IO server you use the Redis-Adapter project. For the Python Socket.IO server the support for Redis comes built-in, you just need to add the message_queue
argument when you create your server object, as shown in the docs.
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Install redis-adapter
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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