CODEWITHSUNDEEP
node.jsredis
emilioriosvz
emilioriosvz

Reputation: 1639

Redis, a new connection every time vs keep an open connection

I have a Node microservice listening to a queue and I persist some messages into a Redis (every 4-5 seconds), and I do not know which is the best option.

Should I keep an open connection to my Redis or it is better to open and close connections every time the database is used?

Upvotes: 5

Views: 4240

Answers (1)

Stav Alfi
Stav Alfi

Reputation: 13953

As @SergioTulentsev explained, it is better to use a single connection.

If you are using ioredis, you are covered because even if your client is disconencted, ioredis will try to reconnect for you and also, it will have an in-memory command qeueu that it will fill up until the client is connected again and then, ioredis will send all those command again.

More Info

https://github.com/luin/ioredis#offline-queue

When a command can't be processed by Redis (being sent before the ready event), by default, it's added to the offline queue and will be executed when it can be processed. You can disable this feature by setting the enableOfflineQueue option to false:

const redis = new Redis({ enableOfflineQueue: false });

Upvotes: 3

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