System Design Lab

Caching for System Design: Redis, CDN, Cache Patterns Explained

Published 17 Aug 2026 · 59 daily observations recorded · last updated 2026-10-21

Views
7,455
Avg views / hour
4.8
since publish (lifetime average)
Recent velocity
0.3
+7 views over 24h (2026-10-20 → 2026-10-21)
vs channel baseline
—
Channel median
—

Recent growth

Last 7 days
+121 views
measured 2026-10-14 → 2026-10-21 (168h)
Last 30 days
+681 views
measured 2026-09-21 → 2026-10-21 (720h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 59 observed points, 3.4K to 7.5K views 0 2.6K 5.2K 7.8K Aug 20, 2026 · 3,410 views Aug 21, 2026 · 3,721 views Aug 22, 2026 · 4,193 views Aug 23, 2026 · 4,428 views Aug 24, 2026 · 4,604 views Aug 25, 2026 · 4,750 views Aug 26, 2026 · 4,851 views Aug 27, 2026 · 4,934 views Aug 28, 2026 · 5,040 views Aug 29, 2026 · 5,160 views Aug 30, 2026 · 5,248 views Aug 31, 2026 · 5,354 views Sep 1, 2026 · 5,536 views Sep 4, 2026 · 5,854 views Sep 5, 2026 · 5,951 views Sep 6, 2026 · 6,035 views Sep 7, 2026 · 6,111 views Sep 9, 2026 · 6,229 views Sep 11, 2026 · 6,337 views Sep 12, 2026 · 6,389 views Sep 13, 2026 · 6,425 views Sep 14, 2026 · 6,491 views Sep 15, 2026 · 6,530 views Sep 16, 2026 · 6,589 views Sep 17, 2026 · 6,651 views Sep 18, 2026 · 6,681 views Sep 19, 2026 · 6,713 views Sep 20, 2026 · 6,735 views Sep 21, 2026 · 6,774 views Sep 22, 2026 · 6,810 views Sep 23, 2026 · 6,839 views Sep 24, 2026 · 6,868 views Sep 25, 2026 · 6,893 views Sep 26, 2026 · 6,915 views Sep 27, 2026 · 6,934 views Sep 28, 2026 · 6,962 views Sep 29, 2026 · 6,985 views Sep 30, 2026 · 7,025 views Oct 1, 2026 · 7,051 views Oct 2, 2026 · 7,079 views Oct 3, 2026 · 7,097 views Oct 4, 2026 · 7,107 views Oct 5, 2026 · 7,143 views Oct 6, 2026 · 7,166 views Oct 7, 2026 · 7,193 views Oct 8, 2026 · 7,226 views Oct 9, 2026 · 7,240 views Oct 10, 2026 · 7,262 views Oct 11, 2026 · 7,279 views Oct 12, 2026 · 7,293 views Oct 13, 2026 · 7,306 views Oct 14, 2026 · 7,334 views Oct 15, 2026 · 7,354 views Oct 16, 2026 · 7,366 views Oct 17, 2026 · 7,384 views Oct 18, 2026 · 7,409 views Oct 19, 2026 · 7,432 views Oct 20, 2026 · 7,448 views Oct 21, 2026 · 7,455 views Aug 20 Sep 22 Oct 21

Based on 59 observations · last observed Oct 21, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-10-21 7,455 4.8 —
2026-10-20 7,448 4.9 —
2026-10-19 7,432 4.9 —
2026-10-18 7,409 5.0 —
2026-10-17 7,384 5.1 —
2026-10-16 7,366 5.2 —
2026-10-15 7,354 5.2 —
2026-10-14 7,334 5.3 —
2026-10-13 7,306 5.4 —
2026-10-12 7,293 5.5 —
2026-10-11 7,279 5.6 —
2026-10-10 7,262 5.6 —
2026-10-09 7,240 5.7 —
2026-10-08 7,226 5.8 —
2026-10-07 7,193 5.9 —
2026-10-06 7,166 6.0 —
2026-10-05 7,143 6.1 —
2026-10-04 7,107 6.2 —
2026-10-03 7,097 6.3 —
2026-10-02 7,079 6.5 —
2026-10-01 7,051 6.6 —
2026-09-30 7,025 6.7 —
2026-09-29 6,985 6.8 —
2026-09-28 6,962 7.0 —
2026-09-27 6,934 7.1 —
2026-09-26 6,915 7.3 —
2026-09-25 6,893 7.4 —
2026-09-24 6,868 7.6 —
2026-09-23 6,839 7.8 —
2026-09-22 6,810 8.0 —
2026-09-21 6,774 8.2 —
2026-09-20 6,735 8.4 —
2026-09-19 6,713 8.6 —
2026-09-18 6,681 8.8 —
2026-09-17 6,651 9.1 —
2026-09-16 6,589 9.3 —
2026-09-15 6,530 9.5 —
2026-09-14 6,491 9.8 —
2026-09-13 6,425 10.1 —
2026-09-12 6,389 10.4 —
2026-09-11 6,337 10.7 —
2026-09-09 6,229 11.5 —
2026-09-07 6,111 12.3 —
2026-09-06 6,035 12.8 —
2026-09-05 5,951 13.3 —
2026-09-04 5,854 13.8 —
2026-09-01 5,536 15.6 —
2026-08-31 5,354 16.4 —
2026-08-30 5,248 17.4 —
2026-08-29 5,160 18.6 —
2026-08-28 5,040 19.8 —
2026-08-27 4,934 21.3 —
2026-08-26 4,851 23.5 —
2026-08-25 4,750 26.1 —
2026-08-24 4,604 29.1 —
2026-08-23 4,428 33.0 —
2026-08-22 4,193 38.1 —
2026-08-21 3,721 43.3 —
2026-08-20 3,410 46.1 —

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →