Defog Tech — GeistHaus

NoSQL series - Part 2: CAP Theorem

Defog Tech Feb 20, 2022 Updated Apr 22, 2026

https://www.youtube.com/v/0FWVpMvXAfg?version=3 (application/x-shockwave-flash)

yt:video:0FWVpMvXAfg

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NoSQL series - Part 1: Introduction to NoSQL

Defog Tech Jan 17, 2022 Updated Apr 29, 2026

https://www.youtube.com/v/E2LIlJFEaGY?version=3 (application/x-shockwave-flash)

yt:video:E2LIlJFEaGY

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Java Concurrency Interview - What is an Ideal Threadpool size?

Defog Tech Sep 7, 2019 Updated Aug 23, 2025

https://www.youtube.com/v/ErNre5varF8?version=3 (application/x-shockwave-flash)

yt:video:ErNre5varF8

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What is FAAS and event-driven architecture?

Defog Tech Jun 5, 2019 Updated Apr 30, 2026

https://www.youtube.com/v/h-vD_hycQjk?version=3 (application/x-shockwave-flash)

yt:video:h-vD_hycQjk

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Spring Boot Security Basics

Defog Tech May 19, 2019 Updated Oct 23, 2025

https://www.youtube.com/v/krLrHwRvTHc?version=3 (application/x-shockwave-flash)

yt:video:krLrHwRvTHc

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Map Reduce Paper - Distributed data processing

Defog Tech May 4, 2019 Updated May 10, 2026

https://www.youtube.com/v/MAJ0aW5g17c?version=3 (application/x-shockwave-flash)

yt:video:MAJ0aW5g17c

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Google File System - Paper that inspired Hadoop

Defog Tech Apr 28, 2019 Updated May 4, 2026

https://www.youtube.com/v/eRgFNW4QFDc?version=3 (application/x-shockwave-flash)

yt:video:eRgFNW4QFDc

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AMA / Q&A - Microservices, Concurrency & Upcoming Videos

Defog Tech Apr 22, 2019 Updated Apr 21, 2026

https://www.youtube.com/v/K3daIo0z1Uc?version=3 (application/x-shockwave-flash)

yt:video:K3daIo0z1Uc

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Race Condition vs Data Races in Java

Defog Tech Apr 7, 2019 Updated Apr 28, 2026

https://www.youtube.com/v/KGnXr62bgHM?version=3 (application/x-shockwave-flash)

yt:video:KGnXr62bgHM

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Bulkhead Pattern - Fault Tolerant Microservices

Defog Tech Apr 6, 2019 Updated May 4, 2026

https://www.youtube.com/v/R2FT5edyKOg?version=3 (application/x-shockwave-flash)

yt:video:R2FT5edyKOg

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Circuit Breaker Pattern - Fault Tolerant Microservices

Defog Tech Mar 30, 2019 Updated May 15, 2026

https://www.youtube.com/v/ADHcBxEXvFA?version=3 (application/x-shockwave-flash)

yt:video:ADHcBxEXvFA

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What is OAuth 2.0 and OpenID Connect?

Defog Tech Mar 9, 2019 Updated May 10, 2026

https://www.youtube.com/v/LyqeHAkxVyk?version=3 (application/x-shockwave-flash)

yt:video:LyqeHAkxVyk

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Singleton and Double Checked Locking

Defog Tech Feb 24, 2019 Updated Apr 29, 2026

https://www.youtube.com/v/Z5TRputhzHs?version=3 (application/x-shockwave-flash)

yt:video:Z5TRputhzHs

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AOT vs JIT compilation in Java

Defog Tech Feb 17, 2019 Updated Oct 23, 2025

https://www.youtube.com/v/sJVenujWGjs?version=3 (application/x-shockwave-flash)

yt:video:sJVenujWGjs

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Java Concurrency Interview: Implement Scatter Gather pattern

Defog Tech Feb 2, 2019 Updated Oct 23, 2025

https://www.youtube.com/v/nDE1bsy10Yo?version=3 (application/x-shockwave-flash)

yt:video:nDE1bsy10Yo

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