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EPErno Pakarinencodesmith.hashnode.dev6d ago · 5 min read

Chapter 6: The Architect’s Source Code

If we are but small waves in a vast, liquid reality, as I suspect, we must ask: what is the nature of the source that keeps the water moving? We often look at the complexity of life, particularly the

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EPErno Pakarinencodesmith.hashnode.dev6d ago · 4 min read

Chapter 5: The Interference Pattern

In the previous chapter, we explored the idea of the "Bubble of One"—the possibility that each of us resides within our own private reality, a sovereign space defined by our perceptions and choices. B

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AAAbstract Algorithmsabstractalgorithms.devMay 3 · 19 min read

Clock Skew and Causality Violations: Why Distributed Clocks Lie

TLDR: Physical clocks on distributed machines cannot be perfectly synchronized. NTP keeps them within tens to hundreds of milliseconds in normal conditions — but under load, across datacenters, or aft

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CChidinmachidinma.devApr 18 · 9 min read

Constructing Order Without Time

If you’ve made it this far, you’ve accepted a few uncomfortable truths: Clocks lie. Ordering isn't about time. Causality is what actually matters. And sometimes, even that isn't enough. So, if we can’

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CChidinmachidinma.devApr 5 · 13 min read

Ordering ≠ time

After Part 1, if you are feeling a little betrayed, that’s reasonable. We learned that clocks drift, time can jump, machines disagree, and “now” is mostly a polite suggestion. We took the most fundame

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CChidinmachidinma.devMar 29 · 12 min read

Why time breaks distributed systems

When ordering events, time seems like the most obvious thing to use. If something happened at 09:00 and another at 09:01, it is clear what the order is. Right? Wrong. In distributed systems, this intu

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FDFundacja Dobre Państwofundacjadobrepasntwo.hashnode.devFeb 23 · 1 min read

Judea Pearl's Ladder of Causality: From Correlation to Reason

This article provides a deep analysis of Judea Pearl's Ladder of Causality, challenging contemporary approaches to data analysis. The text explains why traditional statistics and machine learning, based primarily on correlation, are insufficient for ...

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KKKumar Kisalaykrisalay.hashnode.devJan 4 · 6 min read

Building a Hybrid Logical Clock (HLC) from Scratch in Go

Distributed systems force engineers to confront an uncomfortable fact: time is unreliable. On a single machine, time.Now() feels good enough. Across regions, networks, and failure modes, it quickly becomes a source of subtle, expensive bugs. This po...

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DFDimitris Fanisdimitrisfanis.hashnode.devAug 29, 2022 · 4 min read

Correlation vs. Causation: Why Correlation Does Not Imply Causation

In the data analysis and decision sector the terms correlation and causation are quite often confused, however, they are not synonyms, and here are the reasons why: TL;DR A correlation does not imply causation, but causation always implies correlati...

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#causality

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Trending tags this week

Chapter 6: The Architect’s Source Code

Chapter 5: The Interference Pattern

Clock Skew and Causality Violations: Why Distributed Clocks Lie

Constructing Order Without Time

Ordering ≠ time

Why time breaks distributed systems

Judea Pearl's Ladder of Causality: From Correlation to Reason

Building a Hybrid Logical Clock (HLC) from Scratch in Go

Correlation vs. Causation: Why Correlation Does Not Imply Causation