https://blog.vamshidhar.in 2026-09-07T20:45:53.660Z always 1.0 https://blog.vamshidhar.in/when-cache-expiry-crashes-your-system-the-thundering-herd-problem 2026-03-07T15:29:35.919Z daily 0.8 https://blog.vamshidhar.in/series/system-design 2026-09-07T20:45:53.660Z weekly 0.6 https://blog.vamshidhar.in/archive 2026-09-07T20:45:53.660Z daily 0.5 https://blog.vamshidhar.in/recommendations 2026-09-07T20:45:53.660Z weekly 0.4