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System Design Nuggets

Daily deep dives into system design & modern architecture covering distributed systems, databases, caching, sharding, message queues, and more. Clear. Practical. FAANG-level insights.

Newsletter · By Arslan Ahmad · English · Paid tier available · Official site

Indexed issues, last 90 days
28
Latest publication
Oct 1, 2026
Audience
Checking…
Earliest in this view
Sep 3, 2026

Latest issues

  1. Issue · Oct 1, 2026

    Beyond REST: 20 API Design Patterns for System Design Interviews (opens the original)

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    <img alt="" class="sizing-normal" height="819" src="https://substackcdn.com/image/fetch/$s_!AFZC!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ed0fa92-9e05-4d4f-a0bc-252e64813bce_1672x941.png"

  2. Issue · Sep 29, 2026

    7 Types of Databases Every Engineer Should Know: From SQL to Vector Stores (opens the original)

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    <img alt="" class="sizing-normal" height="819" src="https://substackcdn.com/image/fetch/$s_!6a3L!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F88367c51-79bb-4750-9885-974bb4361dd8_1672x941.png"

  3. Issue · Sep 29, 2026

    30 Diagrams You Should Be Able to Draw in a System Design Interview (opens the original)

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    <img alt="" class="sizing-normal" height="819" src="https://substackcdn.com/image/fetch/$s_!-B6S!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F15df143d-99aa-4448-9f8c-25378cf5211b_1672x941.png"

  4. Issue · Sep 28, 2026

    A Crash Course on Virtualization and Containerization [2026 Edition] (opens the original)

    Excerpt · Neutral tone

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    <img alt="" class="sizing-normal" height="819" src="https://substackcdn.com/image/fetch/$s_!d17i!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F81de7b20-b7d8-4804-aeaf-f4ff45fd6825_1672x941.png"

  5. Issue · Sep 25, 2026

    Cache, Queue, or Read Replica? A Decision Tree for Every Scaling Bottleneck (opens the original)

    Excerpt · Critical tone

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    <img alt="" class="sizing-normal" height="971" src="https://substackcdn.com/image/fetch/$s_!JyO3!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd882de5c-264b-4f5f-9b4b-9ff630993798_1536x1024.pn

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