Durable Objects end "thundering herds" by unifying in-flight work and cached…
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Durable Objects end “thundering herds” by unifying in-flight work and cached results. Per-key singletons eliminate redundant tasks and complex locks, making distributed caching simple and efficient.
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One Cache to Rule Them All: Handling Responses and In-Flight Requests with Durable Objects
Traditional caching fails to stop "thundering herds" where multiple clients trigger the same work during a miss. This article proposes using Cloudflare Durable Objects to treat in-flight work and finished results as two states of one cache entry. By routing to a single owner, systems eliminate redundant tasks. This pattern replaces complex locks with simple promises, simplifying the system design.
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