I'm developing a node.js app and I am in need of heavy Redis usage. The app will be clustered across 8 CPU cores. Right now I have 100 concurrent connections to Redis because every worker per CPU ...

Scenario: Two instances of an application share the same redis instance, but use different databases. The application makes use of the redis pub/sub functions to exchange data between services. Pr...

I apparently have a redis-server instance running because when I try to start a new server by entering redis-server, I'm greeted with the following: Opening port: bind: Address already in use I ...

I cannot find any information in the AWS documentation that modifying the Redis engine version will or will not cause downtime. It does not explain how the upgrade occurs other than it's performed ...

Redis 3.0.5 Spring Data Redis 1.3.6 jedis 2.6.3 - Our is web application which receives data from redis over pub/sub. - Also performs read/write of data on redis as key/value pairs. - read/write ha...

I ran this command to access my redis server. telnet 127.0.0.1 6379 What is the command to show all of my databases?

I would like to retrieve multiple hashmap values with only specified fields. So I opted-in to Redis pipeline. While testing the below code, i see redisResponse1 is always null, where as redisRespo...

I'm creating a new Redis key (and content) with the following code: private static final String KEY_ESTADOS = "estados"; private HashOperations<String, String, Object> hashOperations; publi...

I ran redis using Docker like so: docker run --rm -p '6379:6379' -v "$redis_data_dir:/data" --name my_redis_server -d redis redis-server --appendonly 'yes' in the past this worked fine, but now ...

I have redis on 1 master and 2 slaves and on each server a sentinel process is running on port 26379 I want to know how to configure a sentinel as master in order to add for below in application.p...

all: here is my server memory info with 'free -m' total used free shared buffers cached Mem: 64433 49259 15174 0 3 31 -/+ buffers/cache: 49224 15209 Swap: 8197 184 8012 my redis-server has u...

Say, I'm Fechting thousands or record using some long runing task from DB and caching it using Redis. Next day somebody have changed few records in DB. Next time how redis would know that it has to...

Am using celery for scheduled tasks and redis server for data backup within docker containers. My jobs are running correctly sometimes. But I am get following error randomly and celery beat task ca...

I'm using a redis docker container to be used as a message/ broker queue for celery and flaskk-socketio in my python app and lately my redis instance is crashing pretty often, and it doesn't come b...

Service health check api response 503 when redis is down. { "status": "DOWN", "details": { "diskSpace": { "status": "UP", "details": { "total": 250790436864, "free": 95412813824, "threshol...

We have a Redis server that all clients attach to for a variety of data transfer and coordination tasks. We have a new requirement that we support video streaming. I would like to avoid running a d...

I am new to redis, I do not know the meaning of "keyspace" and "key space" in redis terminology which I encountered in redis official website. Can someone help me to clear that? Thanks.

I've looked "everywhere." I cannot find documentation for all the supported command line options for redis-server. I'm using version 5.0.3 I tried redis-server --help. It is no help. The ...

Application consists of: - Django - Redis - Celery - Docker - Postgres Before merging the project into docker, everything was working smooth and fine, but once it has been moved into containers, s...

Being very new to elasticache, I'm trying to connect to it from instance running in different VPC. It works perfectly fine when client is within VPC over TLS, as no need to pass TLS certificates.( ...

I am new to Redis. I am working on a nodejs project. I want to store JSON in Redis for caching. Should I store JSON as a string or should I use RedisJSON module? What's the difference between them?...

I need some help, Our service uses the lettuce 5.1.6 version, and a total of 22 docker nodes are deployed. Whenever the service is deployed, several docker nodes will appear ERROR: READONLY You can...

I'm running celery and celery flower with redis as a broker. Everything boots up correctly, the worker can find jobs from redis, and the celery worker completes the jobs successfully. The issue I'...

What's the easiest way to getting the number (count) of items in Redis set? Preferably without the need to dump whole set and count the lines... So far, I have found only BITCOUNT, which I have not...

When profiling an application it came up that Redis is impacting the execution times because there are many sleeps in threads. I need to implement two levels of cache or think about solution of thi...