<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"><url><loc>https://www.systemdesignbutsimple.com/archive</loc><changefreq>daily</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/about</loc><changefreq>weekly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/something-i-couldnt-stop-building</loc><lastmod>2026-03-29</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/observability-metrics-logs-and-traces</loc><lastmod>2026-01-26</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/common-architectures-monolithic-distributed</loc><lastmod>2026-01-06</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/communication-protocols</loc><lastmod>2025-12-29</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/rest-vs-graphql</loc><lastmod>2025-12-22</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/http-status-codes-you-must-know</loc><lastmod>2025-12-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/types-of-api-testing</loc><lastmod>2025-12-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/the-best-tools-for-creating-system-diagrams</loc><lastmod>2025-12-01</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/read-through-vs-write-through-cache</loc><lastmod>2025-12-05</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/what-happens-when-you-type-a-url</loc><lastmod>2025-11-17</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/how-to-store-passwords-in-your-database</loc><lastmod>2025-11-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/how-to-choose-between-sql-and-nosql</loc><lastmod>2025-11-03</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/authentication-session-vs-jwt</loc><lastmod>2025-10-27</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/every-type-of-api-you-must-know</loc><lastmod>2025-10-20</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-leetcode</loc><lastmod>2025-10-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/get-10-free-notion-templates-for-engineering-managers</loc><lastmod>2025-10-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-instagram</loc><lastmod>2025-10-06</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-fb-live-comments</loc><lastmod>2025-09-29</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-whatsapp</loc><lastmod>2025-09-22</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-uber</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-dropbox-google-drive</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-facebooks-news-feed</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-twitter-x</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-ticketmaster</loc><lastmod>2025-08-18</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/design-a-url-shortener</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/gossip-protocol-in-1-diagram-and-179-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/idempotency-in-1-diagram-and-144-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/fanout-in-1-diagram-and-178-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/fanin-in-1-diagram-and-186-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/reverse-proxy-in-1-diagram-and-188-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/cdn-in-1-diagram-and-194-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/bluegreen-deployment-in-1-diagram-and-195-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/auto-scaling-in-1-diagram-and-171-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/udp-user-datagram-protocol-in-1-diagram</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/tcp-in-1-diagram-and-145-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/websockets-in-1-diagram-and-186-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/stream-processing-in-1-diagram-and-196-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/ambassador-pattern-in-1-diagram-and-193-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/event-sourcing-in-1-diagram-and-205-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/cqrs-in-1-diagram-and-178-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/pubsub-in-1-diagram-and-187-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/consistency-patterns-in-3-diagrams-and-165-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/cap-theorem-in-1-diagram-and-132-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/retry-with-exponential-backoff-in-1-diagram-and-173-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/consistent-hashing-in-1-diagram-and-198-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/circuit-breaker-in-1-diagram-and-167-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/dead-letter-queues-in-1-diagram-and-205-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/multi-leader-replication-in-1-diagram-and-229-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/leader-follower-replication-in-1-diagram-and-243-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/database-sharding-in-1-diagram-and-204-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/rate-limiting-in-1-diagram-and-252-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/books-courses-and-platforms</loc><lastmod>2025-10-14</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/free-resources</loc><lastmod>2025-05-26</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/database-index-in-1-diagram-and-229</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/api-gateway-in-1-diagram-and-147-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/cache-in-2-diagrams-and-173-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/message-queues-in-1-diagram-and-180-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/load-balancer-in-1-diagram-and-91-words</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/the-system-design-interview</loc><lastmod>2025-03-31</lastmod><changefreq>monthly</changefreq></url><url><loc>https://www.systemdesignbutsimple.com/p/welcome</loc><lastmod>2025-09-21</lastmod><changefreq>monthly</changefreq></url></urlset>