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After configuring Redis cache backend, your Django app raises "ConnectionRefusedError". Which fix is most appropriate?

medium📝 Debug Q7 of 15
Django - Caching
After configuring Redis cache backend, your Django app raises "ConnectionRefusedError". Which fix is most appropriate?
AChange cache backend to LocMemCache
BStart the Redis server on the configured host and port
CRemove the LOCATION setting from cache config
DInstall python-memcached package
Step-by-Step Solution
Solution:

  1. Step 1: Understand ConnectionRefusedError

    This error means Django cannot connect to Redis server at the specified address.

  2. Step 2: Identify the fix

    Starting the Redis server on the configured host and port will allow Django to connect successfully.

  3. Final Answer:

    Start the Redis server on the configured host and port -> Option B

  4. Quick Check:

    Connection refused means Redis server is down [OK]
Quick Trick: Ensure Redis server is running to avoid connection errors [OK]
Common Mistakes:
MISTAKES
  • Switching cache backend without fixing Redis
  • Removing LOCATION breaks connection config
  • Installing wrong client package for Redis

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