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

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4
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1answer
105 views

Redis Sentinel does not take action when the master goes down

I am trying to setup a Redis/Sentinel setup across 3 nodes, each of them running one redis instance and a sentinel instance. However, when the master machine goes down, the remaining sentinels just ...
3
votes
1answer
255 views

upgrading from Redis 2.8.19 to 3.0.1

I currently have installed Redis 2.8.19 but I'm looking to upgrade to the latest stable release 3.0.1. Originally I downloaded, uncompressed, and compiled 2.8.9. What is the recommended approach to ...
2
votes
1answer
137 views

Strange CPU Loading peaks on web server

I have strange, very strange peaks of CPU loading on my website. normal loading about 2-3, when i have this peaks it is about 100-150 peaks may be in any time. not depends my normal loading ...
2
votes
1answer
444 views

Resque(Redis) On EC2 Micro Replciated to 3 availability zones

I'm going to build a failover setup for my resque jobs system wich uses Redis as a queue. The idea is to put 3 redises in different availability zones on micro instances and replicate them. Also would ...
1
vote
1answer
44 views

Redis GUI needed for AWS ElastiCache on an EC2 instance

I've a AWS ElastiCache Redis cluster setup that I wish to manage. Since AWS doesn't let you access ElastiCache outside the VPC, I've setup a micro EC2 instance that carried a copy of the phpRedisAdmin ...
1
vote
1answer
57 views

How to config user_prefs (SpamAssassin) individually per user in Redis DB?

I'm going to implement mail gateway with FreeBSD 10.1. So, I installed Postfix, Amavisd, Clamav, Spamassassin, Procmail (for filtering spam from maildir to spam folder), Bayes with Redis database. I ...
1
vote
1answer
488 views

Redis server Memory Increased to 22GB and Crashed (OOM)

A redis server v2.8.4 is running on a Ubuntu 14.04 VPS with 8 GB RAM and 16 GB swap space (on SSDs). However htop shows that redis alone is taking up 22.4 G of memory! I do not think the redis ...
1
vote
1answer
306 views

How to check if redis master is OK?

On the documentation, they advice the monitor command. But it has a 50% performance penalty for the whole system, and how should I do that ? Whatching the ouput using SSH until I don't see anything ? ...
1
vote
1answer
374 views

Not able to setup juggernaut push notification server on ubuntu

I am developing a ruby on rails application to implement chat. I am not able to setup juggernaut server in production mode. I followed this guide to setup redis. and its working perfectly fine. Then ...
0
votes
1answer
163 views

Moving a web application to use HAProxy, Varnish, and nginx

I currently have 4 web application servers (running on application) on Rackspace that sit behind a Load Balancer (on Rackspace). In front of the Load Balancer. The application itself makes moderate ...
0
votes
1answer
250 views

Redis high availability and load balancing

I'm using Redis for some time and now we want to move to a redundant cluster which would be fault tolerant, highly available and load balanced. I principally use Redis for some PHP web application ...
0
votes
1answer
62 views

Nagios3 with check_radius.pl and check_redis.pl (conflict?)

Using Nagios3 on Ubuntu 15.04 to monitor a dozen or so CentOS, RHEL and Ubuntu hosts. Everything works just great, including the check_radius.pl plugin (3 hosts). After installing the Redis plugin ...
0
votes
1answer
141 views

Redis and “invalid expire time in setex”

We run a Python (Django) application that temporarily stores data in Redis. Sometimes though it happens that data by the time it gets to get stored in Redis is already expired and therefore setex is ...
0
votes
1answer
157 views

Is it possible to force a specific program to use virtual memory?

Let say I have 1GB RAM Ubuntu, I need to run both memcached and redis on the same machine The usage of memcached is quite heavy (e.g. 1K read per second) and redis is less heavy (but still 10 read ...
0
votes
1answer
46 views

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 ...
0
votes
1answer
372 views

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 ...
0
votes
1answer
215 views

My redis' fork time is slow and impact query performance a little. What should I do to check?

I used redis with RDB option only. It used 2GB of memory. When it forked, it used about 10 seconds to completely save the file. When I check up with redis.io site, I found this latency stat: - Linux ...
0
votes
1answer
194 views

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 ...
0
votes
1answer
669 views

Redis error on start: invalid bind address

I am seeing in the following in my redis log: [1398] 17 Jun 22:55:53.467 # Opening port 6379: invalid bind address When trying to start redis with service redis start. However, I confirmed that is ...
0
votes
1answer
703 views

fsockopen(): unable to connect to 127.0.0.1:6379

Im running centOs 6.3, I installed redis-server via remi repository on my local machine. I can run the redis cli. But when I try to connect via php script I get fsockopen(): unable to connect to ...
0
votes
1answer
573 views

Monitoring queue depth of resque/resque-scheduler

I'm looking for a way to monitor the "queue depth" of my resque and resque-scheduler redis instances. Currently I am using god to ensure the resque and resque-scheduler tasks are running, and I use ...
0
votes
1answer
824 views

How to send task to celery using redis pubsub with postgresql?

How do you send task to celery through redis pubsub once a new record has been inserted into a postgresql table? My problem here is to get redis to listen for inserts in my postgresql table, and when ...
2
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0answers
199 views

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 ...
2
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0answers
196 views

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 ...
1
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0answers
13 views

resdis bgsave hangs forever on windows

I recently had a data loss due to a non functional bgsave/save (it hang up giving me always the "ERR Background save already in progress" error message) This is my server section of the redis info ...
1
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0answers
81 views

Setting up a caching system r/w in DCs across continents

We are going to implement a caching system to make our front-end servers which are located in different data centres in Asia, America and Europe can read and write some small JSON data in the shortest ...
1
vote
0answers
93 views

Using autossh to port forward redis traffic on an unstable connection

Setup 1 redis master 3 clients redis slaves(for reads) with tunnels to master for writes Each redis instance is a different server in a different location. Requirement Keep a persistent ...
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vote
0answers
44 views

Redis Sentinel false failovers

I'm having problems with Redis. I have 3 servers. Each server have 10 Redises working on different port. Also, each server has one Sentinel instance. Also, there are 5 application servers. Each ...
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vote
0answers
26 views

Redis Time() command returns an empty result

Our Redis server behaves strangely under high load. When calling the Time() command it will occasionally return an empty result (not an Exception, just empty result). Is this an expected behavior ...
1
vote
0answers
687 views

Copied redis dump.rdb server to new server, only loads < 5 MB into memory instead of ~1 GB from previous server

I am migrating redis servers (from 2.2 to 2.6, if that's relevant), and after I do a "SAVE" on the old box and copy the file to the new box, I put it in the same location from /etc/redis/redis.conf as ...
1
vote
0answers
285 views

Trying to compile phpredis on a mac using phpize54

I installed php 5.4 using mac port. I then git cloned the phpredis repository ( https://github.com/nicolasff/phpredis ). Then, I execute these commands: phpize54 ./configure make && make ...
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0answers
181 views

Large scale custom domain support for a hosted web service

I am running a hosted platform for publishing Markdown documents. Currently I offer a subdomain per user, but the number one request right now is custom domains. My server stack is NGINX and uWSGI ...
0
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0answers
119 views

Unable to open redis 6379 for inbound on AWS EC2

I have two servers on EC2. One hosting my php application and other hosting my redis server. I am managing my php session and data on redis server. So on my php server I gave the ip:port as session ...
0
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0answers
289 views

PHP session handler using redis not work

I was sets 3 servers : 192.168.7.147:6379 <-- redis server 192.168.7.162 <-- web server 1 (using phpredis, with local devdomain jttest.com ) 192.168.7.218 <-- web server 1 (using phpredis, ...
0
votes
0answers
93 views

Using Redis for multiple Instances for session management

Hi We are in the process of implementing AWS opsworks. There will be multiple instances of PHP App Servers and one instance of mysql. We are planning to use redis and phpredis for session and data ...
0
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0answers
186 views

Ubuntu server memory fills up and Redis crashes

Here's /proc/meminfo: MemTotal: 7629488 kB MemFree: 237528 kB Buffers: 70536 kB Cached: 45612 kB SwapCached: 0 kB Active: 99400 kB Inactive: ...
0
votes
0answers
41 views

VPN-tunnel renegotiation problems

I have an application running on top of Celery with redis as a broker. Redis is hosted at our datacenter but the workers are hosted on a separate line. We have setup two-way communcation between the ...
0
votes
0answers
38 views

Nginx directive for redis_connect_timeout doesn't work as expected

I'm using the Nginx HttpRedis, HttpRedis2, and HttpSRCache modules so that I can use Redis for caching. This works well, but I have problems when my Redis server is unavailable. If the host itself ...
0
votes
0answers
66 views

Access ElasticCache Redis instance within VPC from a classic instance

I have an existing AWS EC2-Classic deployment that I am seeking to add a small Redis instance to. As this only needs to be a tiny Redis instance I elected to use the t2.small size. I've since found ...
0
votes
0answers
80 views

Updating openssl to fix heartbleed bug tries to remove redis-server

I am trying to fix openssl heartbleed bug on my server. I read that I can update the openssl version with the following command: sudo apt-get install openssl libssl1.0.0 But when i try to run this ...
0
votes
0answers
138 views

debian redis update-rc.d errors - there is a loop between redis and nginx

I tried to install redis as a service in debian 7 wheezy(redis version 7) by following the instructions from http://redis.io/topics/quickstart but after running sudo update-rc.d redis_6379 defaults ...
0
votes
0answers
482 views

Restarting redis after installing with Ansible hangs

I'm using the following playbook albeit slightly modified with a newer version of Redis: https://github.com/Kami/ansible-redis I removed the Disable obsolete init.d service and generate upstart ...
0
votes
0answers
193 views

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 ...
0
votes
0answers
119 views

Performance drop after hours of runtime - how to detecting bottleneck

I am running a local database server for 1 client machine. My DB server runs redis (version 2.6.13) and mysql (5.5.31-30.3-log Percona Server (GPL), Release 30.3). I have 1 Client machine that runs a ...