Vipshop Quality Engineering
Jan 17, 2018 · Backend Development
Uncovering Hidden Cache Failures: A Robustness Test of Memcached with spymemcached
This article details a comprehensive robustness test of a core public service system's caching layer, exposing how decreasing Memcached (MC) instances dramatically impacts TPS and latency, analyzes the underlying Ketama consistent‑hash algorithm, and proposes concrete improvements to mitigate such failures.
Memcachedbackend testingcache robustness
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