redis-sentinel Questions
2
Solved
I have attempted everything recommended by the following error message:
(error) DENIED Redis is running in protected mode because protected mode is enabled, no bind address was specified, no aut...
Gift asked 30/3, 2017 at 2:39
8
Solved
I understand redis sentinel is a way of configuring HA (high availability) among multiple redis instances. As I see, there is one redis instance actively serving the client requests at any given ti...
Fielder asked 30/6, 2015 at 15:59
3
Redis sentinel not connect to master: Error: READONLY You can't write against a read only slave?
I have this redis replication with sentinel architect:
5 servers: .1, .2, .3, .4 and .5
.1: nodejs app, redis master, redis sentinel
.2: nodejs app, redis slave
.3: nodejs app, redis slave
.4: r...
Magritte asked 15/3, 2017 at 12:42
4
I'm starting up redis and sentinel nodes using the below configurations. I start the redis node first and when I start Sentinel, if fails with the error:
sentinel_node |
sentinel_node | *** FATAL ...
Riebling asked 12/8, 2019 at 15:54
1
We have two datacenters, each with two redis instances. Generally they are replicated as chain.
NY1 (Master) --> NY2 (Slave) --> CO1 (Slave) --> CO2 (Slave)
NY is New York and CO is Colo...
Northward asked 8/12, 2017 at 15:31
2
I'm looking to deploy high availability Redis on a coreOS cluster, and I need a Redis Sentinel docker image (i.e. Dockerfile) that works. I've gathered enough information/expertise to create one (I...
Plasterboard asked 18/9, 2014 at 14:1
2
Solved
I need to configure Redis in HA mode (in cluster) using Redis Sentinel with two Windows Server 2016.
Searching around, there is a lot of material on how to install Redis on Windows and none of them...
Anion asked 18/6, 2019 at 15:32
2
Solved
I have redis configured as master with two slaves, each on a separate box. I also have a sentinel process running on each box. It's the setup as described in the documentation here:
http://redis.i...
Yokoyama asked 25/6, 2016 at 23:39
1
I have plenty of Sentinel and Cluster servers running 3.0.7 and need to upgrade to 5. I cannot afford downtime. Can someone please advice me how to do it?
Some DBs are so big that the servers canno...
Swor asked 26/11, 2018 at 19:33
1
I'm planning to create a high available Redis Cluster. After reading many articles about building Redis cluster i'm confused. So what exactly are
the advantages of a Redis Sentinel Master1 Slave1...
Erny asked 7/6, 2019 at 16:51
2
Solved
I am trying to get a list of all sentinels which are currently monitoring the redis master.
I know that if I have one sentinel I can use sentinel sentinels mymaster but if I don't have any of the ...
Key asked 6/9, 2017 at 11:26
1
Description
I'm trying to create a Redis cluster in a docker swarm. I'm using the bitnami-redis-docker image for creating my containers. Going through the bitnami documentation they always suggest...
Mohave asked 9/5, 2018 at 15:27
2
Solved
I'm trying to improve the performance of writing data to redis cluster.
We are planning to move from redi-sentinel to cluster mode for scalability.
But, the performance of write operations is ver...
Kenspeckle asked 8/3, 2018 at 18:9
1
I am running into an issue and I am not sure how to resolve this.
My redis sentinel eco system is as follows:
3 sentinel cluster --> Managing 1 master and 2 slaves using docker-compose
I have cre...
Strategist asked 27/8, 2017 at 5:44
1
Solved
I have 2 Redis servers one master and the other slave(replication). Once the Master is down due to some reasons the slave will become Master and it continues to act as Master till something wrong h...
Amboise asked 31/8, 2017 at 6:0
4
I've been doing some reading on how to use Redis Sentinel, and I know it's possible to have 2 or more sentinels, and load balance between them when calling from the client side.
Is it good practic...
Chishima asked 4/2, 2015 at 14:33
1
My application uses the StackExchange.Redis package and I started using the sentinel architecture in order to support high availability and failures.
I've search the web, trying to find the correc...
Rafaelle asked 10/11, 2016 at 16:48
0
Our setup
3x redis sentinels one on each AWS Sydney AZ
2 to 500 redis nodes with a master and a multiple slaves that
scales horizontally automatically using AWS Auto-scaling group policies
1x Writ...
Partly asked 13/10, 2016 at 3:45
1
I have installed Ubuntu Bash on Windows 10 PC.
After that installed Redis using apt-get install command
I could connect to redis using redis-cli command the info showed details
# Server
redis_ver...
Finite asked 16/9, 2016 at 15:18
1
I have a health check I'm trying to use that executes the redis-cli command from the redis servers to the redis-sentinels remotely.
redis-cli -h 10.10.10.10 -p 26379 SENTINEL MASTER testing
Ther...
Taconite asked 7/7, 2016 at 19:0
1
Solved
I had following deployment of sentinel - 3 redis instances on different servers, 3 sentinels on each of these servers.
Now, I realized that the current master does not have much memory, so I stopp...
Squarerigger asked 29/2, 2016 at 12:8
1
We are planning to use Redis as centralized and highly available cache so we looked at Redis Labs Enterprise Cluster and homegrown Cluster-like setup using Redis along with twemproxy and sent...
Wilburnwilburt asked 8/12, 2015 at 10:10
1
Solved
Greetings overflowers,
In Redis sentinel/cluster setup, can we use the WAIT command with the total number of slaves to ensure strong consistency across the Redis servers? Why not?
Kind regards
Recorder asked 10/11, 2015 at 11:51
2
Solved
We have a redis configuration with two redis servers. We also have 3 sentinels to monitor the two instances and initiate a fail over when needed.
We currently have a process where we periodically ...
Genarogendarme asked 8/10, 2015 at 18:38
1
Solved
I have a Redis cluster of 4 nodes, 1 master and 3 slaves, monitored by Sentinel.
Now in rails I need to connect to this cluster, reading from the nearest replica, and writing to the master, the sa...
Bun asked 6/5, 2015 at 14:52
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