Redis is an open source, highly-scalable key-value store, commonly referred to as a "NoSQL database."
Questions tagged [redis]
441 questions
2
votes
1 answer
KeyDB Active Replica - LOADING Redis is loading the dataset in memory on full sync
We have setup 2 keydb servers with Active Replica, as described here: https://docs.keydb.dev/docs/active-rep/
We use HAproxy to redirect the traffic to the correct server. So we have the current situation:
keydb 001 - 10.0.0.7
keydb 002 -…

58k723f1
- 21
- 6
2
votes
0 answers
redis load module: cannot open shared object file. Permission denied
I am successfully building the redisearch.so module on travis-ci.
After the module is built, I instruct the Redis to load it like this
redis-cli MODULE LOAD $TRAVIS_BUILD_DIR/rs/build/redisearch.so
which gives me the following error
5439:M 17 Nov…

Dmitry N. Medvedev
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- 4
2
votes
1 answer
systemd[1]: Failed to start Advanced key-value store
A little rodeo with redis. The error issued by redis is pretty unspecific ...
When doing journalctl -xe I got:
-- The process' exit code is 'exited' and its exit status is 1.
Nov 05 20:53:34 servername systemd[1]: redis-server.service: Failed with…

kghbln
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2
votes
1 answer
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 blog post it says: Using igbinary serializer…

Philipp Mochine
- 165
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2
votes
1 answer
How to find out the endpoint url of a node of a redis cluster via aws cli 'elasticache describe-cache-clusters'?
If I run aws elasticache describe-cache-clusters I will get results like this:
{
"CacheClusterId": "dev-001",
"ClientDownloadLandingPage": "https://console.aws.amazon.com/elasticache/home#client-download:",
…

Anthony Kong
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1
vote
1 answer
How to fix the "Redis is busy running a script" error
My servers are repeatedly crashing due to receiving the following error from Redis:
BUSY Redis is busy running a script. You can only call SCRIPT KILL or SHUTDOWN NOSAVE.
However, I can't seem to find a way to determine what is this "script" the…

Derek Chiang
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1
vote
1 answer
redis instance restore using dump.rdb is not working
I have redis instance with 10 keys in qa env.
the instance is configured to use dump.rdb in /tmp directory .
I ran "save" command and saw new dump.rdb file that was created .
then I created new instance on other host .
copied the dump.rdb to the…

alonzo
- 31
- 3
1
vote
2 answers
why does Redis fail to start wth default config?
I am running Ubuntu 18 (well, really Windows Subsystem for Linux with Ubuntu 18 distro). I have installed redis 4.0.9. If I start it with no config specified, it works out ok:
redis-server
However, if I start it using the default config file…

BeetleJuice
- 411
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- 4
- 12
1
vote
0 answers
haproxy pods in keep crashloopbackoff
I'm using helm to install a redis-ha in my cluster with command:
helm install -f develop-redis-values.yaml stable/redis-ha --namespace=develop -n=develop-redis
In develop-redis-values.yaml, i turn haproxy.enabled to true
When the pods appear, its…

Chuong Nguyen
- 121
- 4
1
vote
2 answers
Accessing Redis in a peered VNet
I have an IaaS server in one Azure VNet and a premium Redis cache in another peered VNet. There are no NSGs. I can't access Redis using redis-cli. Is there some restriction to accessing Redis from a peered VNet in Azure?

Elomis
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- 13
1
vote
3 answers
How many cores can Redis possibly utilize?
I am using Redis on virtual machines and having trouble deciding how many cores should I assign to them.
I know that Redis uses single thread to serve requests, but documentation also states that some tasks performed in background by different…

chimmi
- 111
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1
vote
0 answers
Linux send queue is not zero, how to diagnose?
I used redis-cli to connect to redis-server, which just stuck forever.
I used strace to trace the redis-cli process and found this:
[root@iZ2ze0fgielr9er134vdz0Z zuoca]# strace -p 8044
strace: Process 8044 attached
read(3,
Also, I used netstat to…

mobel
- 11
- 1
1
vote
1 answer
How to use redis server in Amazon Ec2 correctly
I have installed the Redis server on the Amazon EC2 instance.
Redis is working fine on the server
Now I want to open the port 6379 for it "Edit inbound rules" in the security group
can you please tell me Type and protocol for it I should use?
Thanks…

vidur punj
- 119
- 3
1
vote
0 answers
redis-cluster - add-node slave to existing cluster from remote machine hanging forever
I am trying to connect a cluster of 8 replicas on one address to an existing cluster on another address.
The replica servers are all running in cluster mode.
When I try to do either:
./redis-trib.rb add-node --slave REPLICA_IP:6380…

Christopher Reid
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1
vote
1 answer
Redis Sentinel not respecting announce-ip option
I am attempting to create a redis-sentinel cluster using docker-compose on my system and have it visible to the host machine (this is to try and replicate an application that is going to use redis-sentinel locally).
I have created the following…

mdedetrich
- 111
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