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The Hidden Cost of Abstractions: Why Easy Tools Get Expensive
The fundamental economics of abstraction are working against you
Sep 23
•
Sharon Sahadevan
1
Queue vs Stream: Understanding the Fundamental Differences
Queue vs Stream Architecture: When to Use SQS, Kafka, and Why Both Use Pull Models
Sep 14
•
Sharon Sahadevan
1
Vector Databases: Why AI Needs Them and How They're Different from Postgres
Why does your 'AI-powered' search take 3 seconds to find similar documents when Google finds 2 billion web pages in 0.4 seconds?
Sep 1
•
Sharon Sahadevan
1
Zero Trust: The $4.4 Million Password Problem
How much would you pay for a single password?
Sep 1
•
Sharon Sahadevan
August 2025
The Two Hardest Problems in Computer Science
Cache Invalidation Strategies: From Redis Write-Through to CloudFlare Edge - A Production Guide
Aug 31
•
Sharon Sahadevan
2
Secrets vs Encryption Keys: What’s the Difference Really?
secrets and encryption keys are not the same thing
Aug 27
•
Sharon Sahadevan
eBPF + Cilium: Why Your Network Security is Broken (And How to Fix It)
Your Security is Slower Than Your Attacks
Aug 19
•
Sharon Sahadevan
1
The Hidden CPU Throttling Crisis in Your Kubernetes Cluster
How a 100-millisecond decision is silently killing your application performance
Aug 10
•
Sharon Sahadevan
6
Latency vs. Throughput — Speed Isn't Everything
August 3, 2025 • 6 min read
Aug 3
•
Sharon Sahadevan
2
July 2025
Kubernetes Affinities: Production Engineer's Guide
You know that sinking feeling when your pods are all crammed onto one node, or when your Redis cache is running three availability zones away from your…
Jul 26
•
Sharon Sahadevan
4
How I Solved a $50K Certificate Outage in 15 Minutes Using OSI Layers
The real story behind the certificate crisis that stumped 3 teams - and how the OSI mental model turned chaos into systematic debugging
Jul 22
•
Sharon Sahadevan
7
GitOps: The Declarative Operations Philosophy
From imperative chaos to declarative clarity: How GitOps represents a fundamental shift in how we think about operations.
Jul 19
•
Sharon Sahadevan
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