Size stored sessions from expiry and creation rates, then decide how quickly logout must take effect and what failover may forget.
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Design the session store for fifty million daily users. Sticky sessions or stateless tokens, and who expires expired sessions?
Size stored sessions from expiry and creation rates, then decide how quickly logout must take effect and what failover may forget.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
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