Redis ZADD: update only when score is lower
I need to store the lowest score for each key I add to the set, but when I do ZADD, Redis overwrites the score with the new value even if the score is higher. ZADD myorderset 1 'one' 2 'two'…
Setting spring session on redis server
I am writing my rest apis using spring boot. And I am trying to maintain user's session on redis server. Redis is up and running on the default port 6379. I have used the lettuce jar to make connection to…
Problem running Redis master and sentinel using docker
I wanted to have below configuration: 1 master and 2 sentinels on host A. 1 slave and 1 sentinels on host B. So for Master, I have created dockerfile like below: FROM redis COPY redis.conf /etc/redis/redis.conf COPY sentinel.conf /etc/redis/sentinel.conf CMD…
Django channels without redis
I have a django app based on this tutorial that works perfectly. It uses Redis in the Channel layers CHANNEL_LAYERS = { 'default': { 'BACKEND': 'channels_redis.core.RedisChannelLayer', 'CONFIG': { "hosts": [('127.0.0.1', 6379)], }, }, } The problem I have is that…
Laravel Redis / How to you flush only a specific redis database?
As you know Redis could have several databases, in my laravel setup ive defined 3 of them and using 2 at least '0' (default) '1' (cache) '2' (queue) Thats what ive set in config/database.php Furthermore, due to certain need I…
Django Redis Error unknown command 'BZPOPMIN'
I've installed Redis 3.0.54. Django is updated. I'm learning channels from the tutorial page. This is my terminal window for redis-cli and redis server Image of Terminal System check identified no issues (0 silenced). August 06, 2020 - 16:04:58 Django…
How to get the data/value size in Redis keys with prefix?
I stored a lot of stuff in Redis. One group of them are with namespace cache (key starts with cache:). I want to know the size of the data/values with namespace cache. Can I achieve this in Redis? Any suggestions?
Redis – Express Session Cookie Not Being Set when using React Axios POST Request
The Setup I have setup a frontend environment using create-react-app. In this environment I use Axios to make a POST request to my Node JS Express Backend Server /login endpoint. I setup sessions middleware using express-sessions and storing the sessions…
API gateway + Login microservice + redis
I am developing a web application and I am trying to design and implement a microservices architecture. I've been reading a lot about authentication and authorization and I would like to know if with my design I am on the…
Redis – Which replication mechanism to chose in distributed system?
Having tough time in understanding few things. I have two replicated service host (A & B) (may be scaled to a max 3 in future) behind a gateway. Each service host needs to save some data/state (key-value) of its respective…