In spring data redis we have two variables. RedisTemplate<Key, Value> redisTemplate; HashOperations<Key, HashKey, HashValue> hashOperations; There is a method expireAt(String key, Date date) inside RedisTemplate. So if I want to set an expiry for a particular hash key I can…
I am storing a Cart in Redis using Spring Data Redis for a specific time. An expiration property annotated with @TimeToLive sets the time to live for the Cart object as described by the code below. I have set KeyExpirationEventMessageListener…
I have a big issue when using multiple threads with spring-redis-data and it's so easy to reproduce that I think I've been missing something trivial. Straight to the point If I query a CrudRepository while doing save operations, it sometimes…
Redis has very good implementation for PUBSUB where a message published on a channel will be received by multiple receivers registered for the topic. What is the ideal way to implement point-to-point (i.e. queue) semantics where e.g. multiple receivers are…
I have a redis sentinel master slave setup with 1 master and 3 slaves and this is in Kubernetes environment.In the spring lettuce configuration, I have to specify the sentinels URLs with port numbers. How should I specify the URL…
I'm trying to use Spring Data Redis to consume a Redis Stream using consumer groups, but keep getting the following exception: Caused by: io.lettuce.core.RedisCommandExecutionException: NOGROUP No such key 'event-stream' or consumer group 'my-group' in XREADGROUP with GROUP option The message…
I am storing data in redis using JCA(java caching api) where key is String and value is Object which is JSON string. I have a requirement to perform partial update to cache value instead of retrieving cache value using key…
I am new to Reactive Programming. i need to connect to Redis to save and get some data. The redis instance is present in cloud. Am using Lettuce Connection factory to establish the connection. when establishing the connection to redis,…
I am trying out spring data redis using reactive Redis template. However, i had no success so far in finding the Xargs for limiting the size of the stream. Base lettuce implementation has that option in native implementation: commands .xadd(streamKey,…