Tagged articles

cache refresh

3 articles · Page 1 of 1

Nov 16, 2024 · Backend Development

How Leading Companies Implement Distributed Caching – Lessons and Pitfalls

The article examines the benefits and hidden risks of using distributed caches, analyzes real‑world failure cases from Facebook, Google and AWS, and provides detailed strategies to mitigate availability and consistency problems through careful refresh policies, incremental updates, and compensation mechanisms.

Cache DesignCache consistencyavailability risk

0 likes · 19 min read

How Leading Companies Implement Distributed Caching – Lessons and Pitfalls

Code Ape Tech Column

Feb 28, 2023 · Cloud Native

Refreshing Spring Cloud Gateway Route Cache on Service Instance Changes Using Nacos Events

The article explains why Spring Cloud Gateway may still call a downed service due to a stale CachingRouteLocator cache, and demonstrates how to listen to Nacos InstancesChangeEvent to evict the cache so the gateway always uses the latest service list.

CachingRouteLocatorSpring Cloud Gatewaycache refresh

0 likes · 6 min read

Refreshing Spring Cloud Gateway Route Cache on Service Instance Changes Using Nacos Events

Qunar Tech Salon

May 4, 2016 · Backend Development

Proactive Cache Refresh Strategies for Memcached to Prevent Cache Stampede

This article examines various techniques for proactively refreshing Memcached entries before they expire, including dual‑key schemes, timestamp‑based checks, and lock‑based updates, and presents a preferred Java implementation that minimizes cache‑stampede and reduces memory overhead.

Cache InvalidationJavaMemcached

0 likes · 7 min read

Proactive Cache Refresh Strategies for Memcached to Prevent Cache Stampede