Questions tagged [redis]

Redis is an open source, highly-scalable key-value store, commonly referred to as a "NoSQL database."

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Deploy a Redis cluster in Kubernetes with High Availability

I am looking at deploying a Redis cluster (3masters, 3workers/slaves) on Kubernetes. I found the Redis Operator as being the best option but the “capability level” doesn’t look that attractive to me. ...
Jérémy Ferfer's user avatar
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Redis Conf symlinks problems

Is there any way that I can set up a symlink to /etc/redis.conf to a different location than /etc/redis/redis.conf and work? Let's say I have the file in my local directory, and instead of copying the ...
Daniel Mendoza Pupo's user avatar
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50 views

Unable to cURL into redis

I'm getting a connection refused error on port 9443. redis-server is definitely running, version 7.2.4. I'm not finding any other configuration I need to be setting up. It's not using the docker image....
Fibericon's user avatar
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[name=Redis, majorVersion=6]; user must register resolver or explicitly set 'hibernate.dialect'

I have asked this question in stackoverflow already, but I think the question is more suitable here. Sorry for cross-posting. After successfully creating datasource for redis in wildfly, I am now ...
Sudipta Roy's user avatar
1 vote
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107 views

Issue with DNS Resolution in Celery/Redis on Debian 12 - VPS Provider Specific

I'm facing a peculiar issue with DNS resolution in a Celery/Redis setup on some Debian 12 installations. It seems that the problem might also relate to the VPS network settings. I'm at a loss and ...
Houman's user avatar
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Kubernetes Load Balancing with Redis Cluster and microservices

I have the following scenario: N kubernetes Nodes A redis cluster with N instances, each node has a single instance There are requests coming into the nodes in a round-robin format After the requests, ...
me_the_bo's user avatar
1 vote
1 answer
140 views

Rspamd + Redis: Is it necessary to persist Redis database? If yes, how?

I am using rspamd and I have enabled Redis. To my understandind Redis is an in-memory key-value cache for volatile data. However, the rspamd documentation says that the Baysian classifier module uses ...
user2690527's user avatar
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Cerbot for both NGINX and Redis

I'm running ubuntu with both NGINX (443) and Redis (6379) ports exposed separately on the same machine, I want them both to use TLS and for that I'm using Cerbot. From time to time Cerbot ...
iTaMaR's user avatar
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319 views

redis in docker Permission denied

docker run -d --name=Redis \ --restart=always \ --network=host \ -v /usr/local/redis:/redis \ -v /usr/local/pki:/pki \ -u redis:redis \ redis:7.2.1 \ redis-server /redis/redis.conf log is Opening the ...
Stephen Xia's user avatar
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Redis - Unable to Authenticate

I have been trying to set up an Authelia instance for the last week or so and keep running into an issue where it won't authenticate to the Redis instance (both in Docker). I suspected it was because ...
user2337871's user avatar
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How to export Azure REDIS data to BLOB storage with a Automation Runbook?

I'm struggling with setting up a runbook that overnight exports my REDIS Premium data to a BLOB container. This might be due to my lack of Powershell experience. So far I came up with this: # Ensures ...
JonHendrix's user avatar
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1k views

Installing redis 7.0 from remi-modular repo

This might be blatantly obvious, but I cannot install a package from the remi-modular repository, despite having added the repo file in the /etc/yum.repos.d/ and validating it. I have attempted ...
Seymour B's user avatar
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89 views

Having two datacenters with two virtual servers at each, what is the suitable redis topology for high availability?

I have two data centers, A and B, which has two virtual servers at each site. We have connectivity between the two sites. I'm planning to deploy one redis HA cluster with two masters and two slaves. ...
kaushal47's user avatar
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407 views

Unable to set activedefrag yes in Redis server

I have a Redis cluster that is constantly at a memory fragmentation ratio of about 2. I was trying to enable activedefrag by running CONFIG SET activedefrag yes in redis-cli, but I received the error ...
Gerald Schneider's user avatar
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704 views

Redis Stack Server - Cannot Change Data Dir (Docker/Kubernetes)

I am trying to get redis up and running in a Kubernetes environment. I’ve done many tutorials, read the documentation, etc. etc. I need to have the .rdb file and the .aof file(s) saved in a Persistent ...
techgirl's user avatar
9 votes
4 answers
9k views

How to install and configure Redis server on Amazon Linux 2023 (AL2023)?

Amazon Linux 2023 is loosely based on Fedora 34, 35 and 36 as per aws: https://docs.aws.amazon.com/linux/al2023/ug/relationship-to-fedora.html However redis package is not available in AL2023, instead ...
VIVEK's user avatar
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why shell discard my string of variable

[root@es01 ~]# redis-cli -h IP_ADDRESS -p 6380 -a admin info 2>/dev/null|grep config_file|cut -d: -f2 /opt/redis/7.0.5/cluster/redis-6380.conf [root@es01 ~]# cat $(redis-cli -h IP_ADDRESS -p ...
redliquid's user avatar
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245 views

Poor server performance on Linux Ubuntu 20.04 with PHP-FPM, MySQL, and Redis Server installed

My client’s server has recently started having performance issues. The single website hosted on the server loads very slowly. It is built with WordPress using a custom theme. There are a minimum ...
Mike Hermary's user avatar
1 vote
1 answer
752 views

Redis Sentinel with TLS - how to get node FQDN rather than IP?

This may be a Serverfault or a Stack Overflow question, I'm not sure yet: I've set up a simple three node Redis system with a master and two replica nodes, managing failover with Redis Sentinel. Redis ...
Mikael H's user avatar
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Connect Redis Unix Domain Socket to Django

I have a Django website running via nginx under user www-data and gunicorn under user myuser bound at /run/gunicorn.sock. nginx works just fine; it acts as a proxy to the gunicorn Unix domain socket. ...
Bobort's user avatar
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Getting command failed: NO_PY2=1

Sorry if its trivial question. I do not have experience with linux terminal. I am trying to install RedisJSON on ubuntu 22 on Windows. https://redis.io/docs/stack/json/#build-from-source When I run ...
Tadas V.'s user avatar
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Migrating Redis data from old cluster to another cluster

I've got 2 redis cluster, and I wish to move a lot of data from old cluster to new cluster. I've write a script using redis-cli and MIGRATE command. It success at about first 20 keys, then it start ...
YOULYU ZHANG's user avatar
2 votes
1 answer
2k views

Cannot kill redis server. It restarts every time I kill it

I cannot kill redis-server no matter how many times I've tried. ps -ef | grep redis-server gives root 10592 1 0 01:10 ? 00:00:00 /snap/redis/658/usr/bin/redis-server *:6379 root ...
Shaundavin13's user avatar
1 vote
1 answer
376 views

keydb active-replica multi-master php session storage

I'm looking to use keydb/redis for php session storage in a HA setup. Currently, I have two keydb instances running with the following config: Instance 1 (192.168.2.10) requirepass pass123 masterauth ...
Aaron A's user avatar
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440 views

Heroku Redis upgrade from free to paid stuck in "preparing (plan upgrade in progress)"

I'm trying to upgrade Heroku Redis from the free hobby plan to a paid version but it seems eternally stuck in in "preparing (plan upgrade in progress)". What's the best way to deal with this?...
Marc's user avatar
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1 answer
91 views

Is it possible to have a Cloudwatch alarm of the specific events of a ElastiCache Redis cluster?

I need some solution to get cloudwatch alarm notification for specific elasticache events like '''ElastiCache:CacheNodeReplaceStarted''', '''ElastiCache:RemoveCacheNodeComplete'''. I know we can ...
Rajaneesh's user avatar
1 vote
1 answer
260 views

Re-enabling commands in a cluster environment

we are running Redis as a container in a Kubernetes cluster (v1.21.14-gke.3000) where it is installed via Helm. Helm uses the Bitnami image, which disables the FLUSHALL command. As with this article,...
Erick Calder's user avatar
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2k views

redis-server takes a long time to load in memory the dataset at boot

My Linux distribution uses the redis database. At boot the redis-server needs about 80 seconds to load the dataset. The following is a log that shows what I have written: redis-server[249]: 249:M 17 ...
User051209's user avatar
4 votes
2 answers
4k views

Redis cannot bind a specific ip address?

I'm new to redis, but I want to set one up on my Raspberry Pi 4 (RP) for using it in a Django application (with celery). On my RP I have installed a firewall, ufw, and allowed incomming traffic from ...
CutePoison's user avatar
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0 answers
606 views

redis-server does not start when parsed path to configfile

I'm having a Raspberry Pi 4, which I want to run a redis-server (v.5) on (used for Celery in a Django application). The issue is, I can't get access to the redis server from my computer (they are on ...
CutePoison's user avatar
1 vote
2 answers
5k views

Redis failing to create unix socket

I am trying to set redis up to use a Unix Socket. I am using the stock Debian installation /etc/redis/redis.conf except with the following additions at the end of the file, based on this info: # ...
run_the_race's user avatar
1 vote
1 answer
2k views

Redis Server Refuses All Connections Via Unix Socket

I am running Ubuntu server 20.04 LAMP, with Redis 5.0.7. Problem: When a unix socket has been configured with port 0 Redis refuses all connections. basic /etc/redis/redis.conf: # create a unix domain ...
Maestro223's user avatar
1 vote
1 answer
1k views

How to properly proxy redis behind HAProxy?

I am configuring HAproxy and would love using with Redis, my configuration is fairly simple: global maxconn 50000 defaults timeout connect 10s timeout client 30s timeout server 30s ...
ciaoben's user avatar
  • 113
2 votes
1 answer
5k views

redis sentinels with docker-compose

so I have this kind of docker-compose version: '3.8' x-base: &base image: redis:latest x-base-sen: &base-sen image: redis:latest command: redis-sentinel /sentinel/sentinel.conf --...
scaryhamid's user avatar
0 votes
1 answer
250 views

Redis failed every few hours

I have a problem in redis, Each 18-30 hour it failed and I should restart it manually to run it again. Our server have 1 wordpress website. Redis version: 5.0.3 OS: CentOS Linux release 8.3.2011 ...
Muhammad Khalaf's user avatar
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0 answers
461 views

Redis persistent installation with more data than RAM

I'm new to Redis, but lately they've started to promote the idea of using Redis as a general purpose persistent db, instead of mainly for cache. I think this would be a good fit for an app I want to ...
flen's user avatar
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1 answer
350 views

Redis on AWS task

I have an API that have some heavy processing endpoints. To avoid problems, I created a queue system using redis. Now I put this API into a docker, and I'm using ECS to deploy service that creates a ...
Learning from masters's user avatar
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0 answers
1k views

Docker isn't fowarding port to redis

I'm trying to run redis in a docker container on AmazonLinux, and I can't for the life of me get it to forward the port. It starts as it should and appears to be working, but there is no process ...
Diogenes Creosote's user avatar
3 votes
1 answer
6k views

Redis inside Docker Compose Permission Denied for RDB file Crontab

Hi I have following docker-compose.yaml file. version: "3.9" volumes: local_postgres_data2: {} local_postgres_data_backups2: {} services: postgres: image: postgres ...
Mudassar Hashmi's user avatar
0 votes
1 answer
884 views

My Node.js droplet can't connect to DigitalOcean Managed redis

I have a Parse Server (which is a Node.js server basically) and I'm trying to connect to a redis database, which is hosted on DigitalOcean Managed Databases. Both servers are on the same VPC network ...
Sotiris Kaniras's user avatar
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0 answers
236 views

How to cluster Redis service

Imagine 6 servers running Redis on all of them: 192.168.10.1 192.168.10.2 192.168.10.3 192.168.10.4 192.168.10.5 192.168.10.6 They have divided into 2 site: Site 1 192.168.10.1 192.168.10.2 192.168....
Farid Niasti's user avatar
0 votes
1 answer
189 views

Change Redis Sentinel offered port

I have set up three Redis servers using Bitnami Docker images. Both plain and TLS ports have been configured for Redis and Sentinel. How does Sentinel determine which Redis Master port (TLS or plain) ...
user2798081's user avatar
1 vote
0 answers
76 views

Allowing untrusted clients read-only replication of public data in a redis instance?

I've got a database of publicly auditable votes, updated in real time in a redis instance. Nothing else is in that redis instance. It has been separated from related data in a second redis instance. ...
James Bowery's user avatar
2 votes
0 answers
42 views

Server Connection Issue - With OK CPU/RAM

Recently we had an occurrence where we were unable to connect to mutliple masters on our Redis cluster. Connections from our code base were timing out. We were also unable to SSH into the box during ...
Tbonepgh's user avatar
0 votes
0 answers
94 views

Increased TTFB in HTTP load balance

We have our own rack in Amsterdam, Leaseweb. We do HTTP load balance (via Cloudflare) with 3 Windows 2019 IIS servers: Server 1: Bare-metal supermicro server. Runs IIS, MySQL8, and Redis. Server 2: ...
Alex K.'s user avatar
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0 answers
657 views

PHP7.4 redis issue

I just updated php7.4-redis in ubuntu 18.04 server. After I get everywhere: PHP Warning: PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20190902/redis.so (/usr/lib/php/...
G. G.'s user avatar
  • 143
0 votes
1 answer
157 views

Which host of redis in config, if running in the same k8 cluster?

I am running a redis cluster helm install -n redis staging bitnami/redis-cluster in my k8s cluster and want to use this with a self hosted gitlab. In the docs I see I have to set redis: install: ...
user3142695's user avatar
1 vote
0 answers
2k views

Postgres and redis pods are failing from time to time

I've setup a kubernetes cluster (1.19) using RKE on a bare betal ubuntu (20.04) machine. I'm running a self hosted gitlab instance (installed by helm chart) on that cluster. From time to time (every 1-...
user3142695's user avatar
0 votes
1 answer
2k views

Redis from docker image redis:6.2.5-alpine3.14 can't start "Invalid LZF compressed string"

After restart docker container with redis:6.2.5-alpine3.14 it can't start with error: [offset 55130] Internal error in RDB reading offset 0, function at rdb.c:411 -> Invalid LZF compressed string ...
Oleg Neumyvakin's user avatar
1 vote
0 answers
2k views

Redis is seeing legitimate connections as attacks - possibly due to reverse proxy?

I'm running Redis for use with Rails and Action Cable. These all sit behind an Nginx reverse proxy. Currently whenever Redis is connected to, I get # Possible SECURITY ATTACK detected. It looks like ...
tsvallender's user avatar

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