Questions tagged [redis]

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

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Nginx + Redis - Unable to fix CORS error on HTTPS - only works for http

I have a website running on a Nginx + Php-FM + Redis Stack . Was getting some CORS warnings with error Access to font at '...fa-brands-400.woff2' from origin 'https://example.com' has been blocked by ...
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Redis issue showing me `moved` while configuring redis in laravel app

I have two servers containing the same laravel application and both are connected with a load balancer. Everything works well with the same RDS. To make the site faster I have created a Redis cluster ...
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What does the output of strace of a Redis server's PID mean?

I run wordpress inside LXCs with a LEMP stack that involves redis and noticed through htop that the redis server accumulates the most CPU time. Trying to have a look what is going on with redis and ...
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Is there any advantage to using Object Caching (Redis) for DB table caching with a full static caching CDN

I am trying to optimize a small web application(PHP/MySQL), I have been using Redis as a cache for my DB, and I've gotten to the point of preparing to launch for testing. I've been working through an ...
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How to create caching in AWS elasticache redis

I have a web application hosted on the AWS ec2 instance. I have load balancers enabled and also I have created a cluster in aws elasticache ( Redis ) i have 3 nodes in 1 shard. I can also access them ...
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Redis installation and running the service

I am very new to Redis. My project is having some installation instructions for Ubuntu. But my system is Windows. So i have installed the Windows version of Redis in the below location. Started the ...
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156 views

Redis service hangs with systemctl and Type=notify

I have followed this answer: https://serverfault.tech/a/893075/210494. I have CentOS 7.8. redis.service [Service] Type=notify ExecStart=/opt/redis/bin/redis-server /opt/redis/conf/redis-master.conf ...
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pecl install redis: When you enable igbinary, do you need to enable lzf and zstd compression? (phpredis)

When I fire the command sudo pecl install redis I get asked to enable: enable igbinary serializer support? [no] : enable lzf compression support? [no] : enable zstd compression support? [no] : In a ...
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Best practice in Redis is to rename the command 'FLUSHDB'. But now I get an error with Laravel when I want to clear the cache

In Laravel, you can set the cache to Redis. However, when I clear the cache with php artisan cache:clear, I get the error: ERR unknown command 'FLUSHDB' I know what the problem is because I have ...
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Redis Cluster modification

I have currently 2 Virtual Private Servers with 3-3 Redis instances. What I want os, to spread them to 3 VPSs with 2-2-2 nodes each. How do I do that in a way, I can keep all my keys? I also want to ...
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Can't get redis-sentinel notification script to execute correctly

Installed latest version of redis/redis-sentinel (6.0.5) from Chris Lea PPA on Ububtu 20.04. Created a notification script with the same path as suggested in the default conf. Tested that the script ...
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Redis 6 TLS cluster

I have set up a redis 6 tls cluster ( without mutual client authentication) with 6 nodes ( 3 masters and 3 slaves). I am facing this error : 29096:M 05 Aug 2020 17:14:37.009 # Error accepting a client ...
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127 views

How to estimate the max number of connection an AWS ElasticCache Redis cluster can support?

Is there any formula or "rule of thumb" I can apply to make an estimate of maximum number of connections a redis cluster hosted on AWS ElasticCache can support? My cluster currently has 3 ...
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is there anyway to restore a dumb.rdb redis backup file remotely?

i have written some Golang code to backup a bunch of Redis clusters the only way i have found to restore these backups is to copy the dumb.rdb file in a certain directory and restart the Redis ...
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How to switch nodes easily in a redis cluster cli?

I have a three node redis cluster. If I run cluster nodes after I connect to one of the node via redis-cli, I got this output: 10.0.32.70:6379> cluster nodes ...

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