Question: How to Clear the Redis Cache?

Answer

To clear the Redis cache, you can use either of the following commands:

1. FLUSHDB: This command clears the cache for the currently selected database.

FLUSHDB

2. FLUSHALL: This command clears the cache for all databases on the Redis server.

FLUSHALL

You can issue these commands using the following methods:

Using Redis CLI

Open a terminal and execute the redis-cli command followed by the desired flush command (FLUSHDB or FLUSHALL):

redis-cli FLUSHDB

OR

redis-cli FLUSHALL

Using a Redis Client Library

If you are using a Redis client library in your programming language, you can call the appropriate method to execute the flush command. Here is an example using Python's Redis library:

import redis

# Connect to Redis
r = redis.Redis(host='localhost', port=6379, db=0)

# Clear the current database's cache
r.flushdb()

# OR to clear all databases' caches
r.flushall()

Remember that clearing the cache will remove all stored data, so use these commands with caution.