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Questions tagged [redis]

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

441 questions
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How do I enable backup(snapshot) on redis elasticache t2.medium

I was able to create a snapshots of my m1.small caches but the backup button is disabled when I select my t2.medium. Is there a way for me to enable backup of a t2.medium redis elasticache?
Gene Diaz
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redis socket file disappears after reboot?

I installed redis and I am setting it to use a socket. It works fine at the beginning but if I reboot the machine (ubuntu 14.04 via vagrant on virtualbox), Redis does not start anymore and displays this error in the log: Opening socket: bind: No…
Michael
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Proxy over redis, HAProxy or twemproxy?

The best way to hide switching of master/slave redis servers, is to use a proxy over master server. Among proxy candidates, there is two more important (and used) choices: twemproxy and haproxy(>=1.5) If we are not interested of some twemproxy…
Taha Jahangir
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FreeRADIUS and Redis Module

I am wanting to use FreeRADIUS with REDIS for authorisation and accounting. I am running FreeRADIUS 3.0.3. I note the rlm_rediswho module, which appears to be used for caching recent accounting records for users. I also note a rlm_redisn module…
mixja
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Way to test (dry-run) redis-server config

With nginx you can start the server, change the config file, and then run: nginx -t Which will tell you if the config file is valid or not before you try to restart nginx. Is there similar functionality for redis-server? Edit (after deagh's…
AJP
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forward Redis requests across AWS regions

I have a Redis instance running on AWS Elasticache in US-East. I have VPN servers running in Tokyo and US-East. The problem: How to allow Redis connections while VPNd to the Tokyo VPN? You can only open Elasticache security groups to the same…
tayl0r
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Caching (memcache/redis) and multiple servers - best strategy

We're considering best strategy for using cache (memcache or redis based) in our application (Symfony2). It will be deployed on multiple (so far 3) separate machines with load balancing and separate replicated databases + one common shared storage.…
ex3v
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How to use Redis as a cache backend for uwsgi_cache in Nginx

I'm using Nginx with HttpUwsgiModule and i want to perform caching. I know that there is a uwsgi_cache which can be used to cache pages on the local file system. But i want to use Redis to cache pages on memory. I took a look at HttpRedis and…
Ali
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Why bgsave on redis make data read slower?

Bgsave command is a command to fork redis a new process and do background saving on a new core of processor. However, my 2GB data on redis (about 1 GB for RDB after save) is slowdown my data transfer from redis to my app. I tested with 4 core…
Paiboon Panusbordee
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How to install Redis with Chef?

I am trying to install Redis with Chef. I would think, it's easy, since I only want to have the default configuration. So, I add to a Berksfile: site :opscode cookbook 'apt' cookbook 'node' cookbook 'rvm', :git =>…
poseid
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Nginx configure to handle request from Redis

I'm trying to configure handle request direct from nginx using redis cache, cache already added to redis the problem is to configure nginx get the cache from redis URL is like http://example.com/action.js?param1=10¶m2=text Redis key is depend on…
mohamed-ibrahim
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Putting a NetScaler infront of Redis master failover

I have a redis-sentinel solution for master failover, I just need to setup a vserver with all the master services in the pool. Only one master can act as the master at a time, the rest are slaves waiting for promotion. I only see options to load…
Kyle
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Approach to auto scale celery servers based on broker(redis) queue size

I am working on a project which requires rolling out new celery servers if the broker(redis) queue is consistently higher than a predetermined threshold size and killing the new boxes when the queue size comes down. I have scripts to take care of…
APZ
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How to use ELB to load balance redis slaves and use sec groups

I have a load balancer listing on TCP port 6379 on ELB. I have a redis sec group that only allows amazon-elb/sg-843f59ed (amazon-elb-sg), and another sec group called frontend_servers. 6379 amazon-elb/sg-xxxxx (amazon-elb-sg) 6379 sg-xxxxxx…
Tampa
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Redis on EC2 (Heroku) : RedisToGo v/s MyRedis v/s OpenRedis v/s RedisCloud v/s Others

Are there opinions and experiences to help decide between RedisToGo v/s MyRedis v/s OpenRedis v/s RedisCloud v/s Any Other Hosted Redis offerings? The goal is to have minimal latency and maximal performance for a Heroku application (which is in EC2…
Manish Malik
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