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Caching & Redis

Cache-aside, TTL, invalidation, hot keys, and in-memory lookup patterns at scale.

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Caching & Redis easy

How to Implement Namespaced Cache Keys for Tenant Isolation in Python

Build a tenant-aware cache wrapper that prefixes keys with tenant and namespace, and test it with mocks.

cache tenant namespace
Python 
from keyvaluestore import SimpleCache
from unittest.mock import patch

class TenantCache(SimpleCache):
    def __init__(self, tenant_id, namespace="default"):
        super().__init__()
        self.tenant_id = tenant_id
        self.namespace = namespace

    def _key(self, key):
        return f"tenant:{self.tenant_…
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