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1. Is this request related to a challenge you're experiencing? Tell me about your story.

The redis cluster we used is used by various business applications to distinguish and manage the cached data of different projects by setting key prefixes for different projects. We now need to configure dify to use our redis cluster, and we want dify to also be able to add a global prefix to differentiate its cached data from other projects. For example, when I set global_prefix to "dify-ai:", all the keys stored by the dify project in redis cluster are under the 'dify-ai:' key

2. Additional context or comments

No response

3. Can you help us with this feature?

• I am interested in contributing to this feature.