Cache invalidation techniques

Date: 2024-03-07

Cache invalidation ensures cached data remains accurate and relevant. This article details several techniques: purging (removing outdated content), refreshing (updating cached content), banning (invalidating content based on criteria), TTL expiration (setting a time-to-live), and stale-while-revalidate (serving cached content while fetching the latest version). The choice of technique depends on factors like content volatility and update frequency. Each method balances performance and data freshness.

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