Fail to fsync the AOF file: Permission denied in kubernetes cluster’s redis node
Today my production application is crashed, then I found the redis master node that deployment in kuberentes cluster is down. This is the log output:
Redis Methods showing HOT in Performance Monitoring
My IIS Server with DotNetFramework 4.8 uses Redis in:
2 Servers 1 Database – Can I use Redis?
Ok I have a couple of questions here. First let me give you some background information. I’m starting a project where I have a node.js server running my application and my website running on another normal server. My application will allow multiple users simultaneous connections and updates to the database so Redis seemed like a good fit there because of its speed and atomic functions.
Redis strategy for activity log data
Our application requires an activity log of actions that a user has done. For example:
Redis used_memory_dataset_perc shows the wrong value
I get the following output from the Redis server when running redis-cli info memory:
Nested sets in Redis?
Let’s say I want to implement a leaderboard for a coding competition backed by Redis. And the data structure I would to maintain is competitionId -> userId -> set<problemId>.
How to implement a message queue over Redis?
Why Redis for queuing? I’m under the impression that Redis can make a good candidate for implementing a queueing system. Up until this point we’ve been using our MySQL database with polling, or RabbitMQ. With RabbitMQ we’ve had many problems – the client libraries are very poor and buggy and we’d like not to invest […]
FT.SEARCH always return nothing
I created an IP database using Redis：
How to fetch hash values for multiple keys in redis ? Is there a mhgetsll operation?
HSET myhash field2 “Hi” field3 “World” HSET myhash2 field2 “Hi” field3 “World” I want to fetch the key-values for mhash and myhash2 in one operation. how to do this ? redis
Redis Predixy Error: with status 4 EventError
Sometime receives Redis Predixy Error: Redis Predixy Error: with status 4 EventError, what does it mean?