I have an interesting conundrum; I use Redis PubSub pattern to emit events within my network of NodeJS microservices. I moved away from RabbitMQ because I needed the messages to be multi-cast, so that multiple microservices could receive and handle…
Application performance is one of the main reason of using cache over relational database. Because it stores data in memory in the form of key value pair, we can store frequently accessed data in cache which are not changes very…
I need to use two key values in Redis cache so that I can retrieve based on one Key? Kindly help on this, Both keys would be string, and the value will be an entity where the key values will…
I'm making a demo for a ruby gem I created that process images and I have my application for the demo using the gem. I want the demo to allow the user to upload an image and try the demo…
Basically, each of the clients ---that have a clientId associated with them--- can push messages and it is important that a second message from the same client isn't processed until the first one is finished processing (Even though the client…
I'am using Laravel queue.and I set up my .env file as follows. QUEUE_DRIVER = database QUEUE_CONNECTION = database But I get this error. Please make sure the PHP Redis extension is installed and enabled. Can anyone explain that and fix…
So I'm using Deno for my server and I want to persist some data in a Redis database, how can I do it? I tried to follow this documentation (https://deno.land/x/redis) but didn't quite understand, I know Redis offers a lot…
How to get all Geo records associated with a key? I am able to push data into Redis and retrieve based on [lon,lat,buffer] using jedis.georadius(key, lon,lat, radius, GeoUnit.KM,GeoRadiusParam.geoRadiusParam().withCoord()); Is there any way to get all records using the key alone?…
I got few errors from redis streams first is: org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is io.lettuce.core.RedisCommandExecutionException: ERR unknown command 'XREADGROUP' and the second is when I try to create stream publisher but I got error org.springframework.data.redis.RedisSystemException: Error in execution;…
I'm trying to read the data from Cassandra and write to Redis of a specific index. let's say Redis DB 5. I need to write all data into Redis DB index 5 in the hashmap format. val spark = SparkSession.builder()…