https://diffreel.dev/ 2026-09-08T18:00:00.000Z weekly 1 https://diffreel.dev/reels 2026-08-20T06:47:58.478Z weekly 0.9 https://diffreel.dev/pricing 2026-09-08T18:00:00.000Z weekly 0.7 https://diffreel.dev/guide 2026-09-09T09:00:00.000Z weekly 0.6 https://diffreel.dev/guide/overview 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/accounts 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/first-reel 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/the-editor 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/beats 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/pieces 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/connections 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/styling 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/motion 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/checks 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/saving 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/plans 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/billing 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/account-settings 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/reels 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/shortcuts 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/limits 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/guide/troubleshooting 2026-09-09T09:00:00.000Z weekly 0.4 https://diffreel.dev/about 2026-09-06T09:00:00.000Z weekly 0.3 https://diffreel.dev/privacy 2026-09-06T09:00:00.000Z weekly 0.2 https://diffreel.dev/terms 2026-09-09T00:00:00.000Z weekly 0.2 https://diffreel.dev/contact 2026-09-09T00:00:00.000Z weekly 0.3 https://diffreel.dev/refunds 2026-09-09T00:00:00.000Z weekly 0.2 https://diffreel.dev/category/architecture 2026-08-20T06:47:45.457Z weekly 0.5 https://diffreel.dev/category/databases 2026-08-20T06:47:58.478Z weekly 0.5 https://diffreel.dev/category/distributed-systems 2026-08-20T06:47:39.348Z weekly 0.5 https://diffreel.dev/category/networking 2026-08-20T06:47:54.038Z weekly 0.5 https://diffreel.dev/category/web 2026-08-20T06:47:28.677Z weekly 0.5 https://diffreel.dev/tag/latency 2026-08-20T06:47:58.478Z weekly 0.4 https://diffreel.dev/tag/scaling 2026-08-20T06:47:54.038Z weekly 0.4 https://diffreel.dev/tag/reliability 2026-08-20T06:47:45.457Z weekly 0.4 https://diffreel.dev/tag/performance 2026-08-20T06:47:58.478Z weekly 0.4 https://diffreel.dev/tag/caching 2026-08-20T06:47:58.478Z weekly 0.4 https://diffreel.dev/tag/consistency 2026-08-20T06:47:39.348Z weekly 0.4 https://diffreel.dev/tag/protocols 2026-08-20T06:47:54.038Z weekly 0.4 https://diffreel.dev/tag/queues 2026-08-20T06:47:41.406Z weekly 0.4 https://diffreel.dev/tag/security 2026-08-20T06:47:49.579Z weekly 0.4 https://diffreel.dev/authors/diffreel 2026-08-20T06:47:58.478Z weekly 0.3 https://diffreel.dev/reels/redis-caching How Redis Caching Works https://diffreel.dev/media/redis-caching/thumb-16x9.jpg A copy of the row, kept somewhere fast — 40× quicker to read, and wrong the moment the row changes. https://diffreel.dev/media/redis-caching/reel.mp4 https://r.diffreel.dev/r/redis-caching-ba2b26a2.html 83 75 2026-08-15T17:49:27.290Z 2026-08-20T06:47:58.478Z monthly 0.8 https://diffreel.dev/reels/l4-vs-l7-load-balancing L4 vs L7 Load Balancing https://diffreel.dev/media/l4-vs-l7-load-balancing/thumb-16x9.jpg One picks a server before it knows what you asked for. The other reads the request first. https://diffreel.dev/media/l4-vs-l7-load-balancing/reel.mp4 https://r.diffreel.dev/r/l4-vs-l7-load-balancing-503ee097.html 46 34 2026-08-15T17:49:23.297Z 2026-08-20T06:47:54.038Z monthly 0.8 https://diffreel.dev/reels/forward-proxy-vs-reverse-proxy Forward Proxy vs Reverse Proxy https://diffreel.dev/media/forward-proxy-vs-reverse-proxy/thumb-16x9.jpg The same box in the middle — the difference is which side it is standing in for. https://diffreel.dev/media/forward-proxy-vs-reverse-proxy/reel.mp4 https://r.diffreel.dev/r/forward-proxy-vs-reverse-proxy-b62733a8.html 36 24 2026-08-15T17:49:19.936Z 2026-08-20T06:47:49.579Z monthly 0.8 https://diffreel.dev/reels/vertical-vs-horizontal-scaling Vertical vs Horizontal Scaling https://diffreel.dev/media/vertical-vs-horizontal-scaling/thumb-16x9.jpg Traffic grows. Either the machine gets bigger, or there are more machines. https://diffreel.dev/media/vertical-vs-horizontal-scaling/reel.mp4 https://r.diffreel.dev/r/vertical-vs-horizontal-scaling-dbc578c7.html 45 16 2026-08-15T17:49:15.853Z 2026-08-20T06:47:45.457Z monthly 0.8 https://diffreel.dev/reels/origin-vs-cdn-edge Origin vs CDN Edge https://diffreel.dev/media/origin-vs-cdn-edge/thumb-16x9.jpg Every request crossing the world, or most of them stopping a few miles away. https://diffreel.dev/media/origin-vs-cdn-edge/reel.mp4 https://r.diffreel.dev/r/origin-vs-cdn-edge-ae696f04.html 45 12 2026-08-15T17:49:13.930Z 2026-08-20T06:47:43.450Z monthly 0.8 https://diffreel.dev/reels/direct-call-vs-queue Direct Call vs Queue https://diffreel.dev/media/direct-call-vs-queue/thumb-16x9.jpg Wait for the slow thing, or hand it to something that will do it later. https://diffreel.dev/media/direct-call-vs-queue/reel.mp4 https://r.diffreel.dev/r/direct-call-vs-queue-906fb4ea.html 45 5 2026-08-15T17:49:12.227Z 2026-08-20T06:47:41.406Z monthly 0.8 https://diffreel.dev/reels/at-least-once-vs-exactly-once At-Least-Once vs Exactly-Once https://diffreel.dev/media/at-least-once-vs-exactly-once/thumb-16x9.jpg The message arrives twice. Whether that matters is a design decision you already made. https://diffreel.dev/media/at-least-once-vs-exactly-once/reel.mp4 https://r.diffreel.dev/r/at-least-once-vs-exactly-once-4b50b680.html 45 8 2026-08-15T17:49:10.504Z 2026-08-20T06:47:39.348Z monthly 0.8 https://diffreel.dev/reels/retry-storm-vs-jitter Retry Storm vs Jitter https://diffreel.dev/media/retry-storm-vs-jitter/thumb-16x9.jpg Same clients, same backoff, same traffic — one number changes, and the pile-on disappears. https://diffreel.dev/media/retry-storm-vs-jitter/reel.mp4 https://r.diffreel.dev/r/retry-storm-vs-jitter-d5ed5b8c.html 45 3 2026-08-15T17:49:08.732Z 2026-08-20T06:47:36.452Z monthly 0.8 https://diffreel.dev/reels/replication-vs-sharding Replication vs Sharding https://diffreel.dev/media/replication-vs-sharding/thumb-16x9.jpg Copy every write to every node, or send each write to exactly one. https://diffreel.dev/media/replication-vs-sharding/reel.mp4 https://r.diffreel.dev/r/replication-vs-sharding-643b673f.html 45 7 2026-08-15T17:49:06.949Z 2026-08-20T06:47:34.426Z monthly 0.8 https://diffreel.dev/reels/n-plus-1-vs-join N+1 vs JOIN https://diffreel.dev/media/n-plus-1-vs-join/thumb-16x9.jpg The same page, the same data — one round trip or a hundred and one. https://diffreel.dev/media/n-plus-1-vs-join/reel.mp4 https://r.diffreel.dev/r/n-plus-1-vs-join-c59e14cc.html 45 5 2026-08-15T17:49:05.150Z 2026-08-20T06:47:32.587Z monthly 0.8 https://diffreel.dev/reels/tcp-vs-udp TCP vs UDP https://diffreel.dev/media/tcp-vs-udp/thumb-16x9.jpg One protocol asks whether every piece arrived. The other never asks. https://diffreel.dev/media/tcp-vs-udp/reel.mp4 https://r.diffreel.dev/r/tcp-vs-udp-932db813.html 45 6 2026-08-15T17:49:02.983Z 2026-08-20T06:47:30.739Z monthly 0.8 https://diffreel.dev/reels/session-vs-jwt Session vs JWT https://diffreel.dev/media/session-vs-jwt/thumb-16x9.jpg One keeps the truth on the server, the other hands it to the client and hopes it comes back honest. https://diffreel.dev/media/session-vs-jwt/reel.mp4 https://r.diffreel.dev/r/session-vs-jwt-5a5c7274.html 45 12 2026-08-15T17:49:01.155Z 2026-08-20T06:47:28.677Z monthly 0.8 https://diffreel.dev/reels/cache-aside-vs-write-through Cache-Aside vs Write-Through https://diffreel.dev/media/cache-aside-vs-write-through/thumb-16x9.jpg Two ways to keep a fast copy of your data — one fills the cache on demand, the other on every write. https://diffreel.dev/media/cache-aside-vs-write-through/reel.mp4 https://r.diffreel.dev/r/cache-aside-vs-write-through-c274e544.html 50 2 2026-08-15T17:48:57.131Z 2026-08-20T06:47:24.820Z monthly 0.8