Stampeding Caches: How to prevent the Dogpile problem?
Yatin B.1 min read
Date: 2024-04-02
The "dogpile effect" occurs when multiple clients simultaneously request a resource after its cache expires, overwhelming the system. This race condition can lead to server overload and cascading failures. Solutions include cache locking, adjusting timeout periods, randomized expiration, using distributed caches, and load balancers. Instagram, for example, uses "Promises" to manage asynchronous requests. Implementing these strategies prevents system crashes during periods of high traffic.
Read more: https://www.javacodegeeks.com/2024/04/avoid-dogpile-problem.html
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dogpile effectserver overloadCache InvalidationDistributed Cachehigh availabilityLoad Balancingrace-condition
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