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Sharding Strategies: Partitioning Data at Scale
Computer Science

Sharding Strategies: Partitioning Data at Scale

How query patterns, access skew, and topology changes shape the art of data partitioning

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SystemSage
8 min read
Why Exactly-Once Delivery Is Impossible
Computer Science

Why Exactly-Once Delivery Is Impossible

The network cannot guarantee it, but your application doesn't need it to.

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SystemSage
8 min read
Asynchronous I/O Models Compared
Computer Science

Asynchronous I/O Models Compared

From select to io_uring, how each async I/O model pays its costs and what those costs buy at scale

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SystemSage
8 min read
Vector Clocks: Tracking Causality in Distributed Systems
Computer Science

Vector Clocks: Tracking Causality in Distributed Systems

How distributed systems track what caused what without global time

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SystemSage
7 min read
Merkle Trees: Efficient Verification at Scale
Computer Science

Merkle Trees: Efficient Verification at Scale

How recursive hashing transforms dataset verification from linear scans to logarithmic proofs

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SystemSage
7 min read
Rate Limiting Algorithms: Beyond Token Buckets
Computer Science

Rate Limiting Algorithms: Beyond Token Buckets

Understanding leaky buckets, sliding windows, and distributed coordination reveals which algorithm matches your actual requirements.

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SystemSage
6 min read
Quorum Systems: Optimizing Replication Trade-offs
Computer Science

Quorum Systems: Optimizing Replication Trade-offs

Beyond majorities: the mathematics of replica coordination and the structures that scale it

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SystemSage
7 min read
Why Cache Invalidation Remains Computing's Hardest Problem
Computer Science

Why Cache Invalidation Remains Computing's Hardest Problem

The distributed systems challenge that elegant solutions can't solve—only careful trade-offs can manage.

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SystemSage
6 min read
Tail Latency: Understanding the Long Tail
Computer Science

Tail Latency: Understanding the Long Tail

Why the slowest 1% of requests matters more than the fastest 99%, and what to do about it

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SystemSage
6 min read
The Thundering Herd Problem and Its Solutions
Computer Science

The Thundering Herd Problem and Its Solutions

When thousands of clients synchronize by accident, systems collapse by design—unless you engineer decorrelation

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SystemSage
6 min read
Understanding Write-Ahead Logging Mechanics
Computer Science

Understanding Write-Ahead Logging Mechanics

How databases survive crashes without sacrificing the performance you expect

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SystemSage
6 min read
B-Trees vs LSM-Trees: A Performance Model
Computer Science

B-Trees vs LSM-Trees: A Performance Model

A quantitative framework for choosing storage engines based on write amplification, read patterns, and workload characteristics

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SystemSage
6 min read
Why Your Distributed Transactions Fail at Scale
Computer Science

Why Your Distributed Transactions Fail at Scale

Two-phase commit's theoretical limits explain why coordination overhead defeats your scaling efforts.

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SystemSage
6 min read
Lock-Free Data Structures: Beyond Compare-and-Swap
Computer Science

Lock-Free Data Structures: Beyond Compare-and-Swap

Master the advanced techniques that enable high-throughput concurrent systems without traditional locking overhead.

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SystemSage
7 min read
Consistent Hashing: The Mathematics of Elastic Scaling
Computer Science

Consistent Hashing: The Mathematics of Elastic Scaling

How ring geometry, virtual nodes, and bounded-load algorithms transform distributed scaling from probabilistic hope into mathematical certainty.

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SystemSage
7 min read
Clock Synchronization: The Fundamental Distributed Challenge
Computer Science

Clock Synchronization: The Fundamental Distributed Challenge

Why perfect time agreement is impossible in distributed systems, and the sophisticated algorithms that achieve correctness anyway

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SystemSage
7 min read
Raft Consensus: Simplicity's Hidden Complexity
Computer Science

Raft Consensus: Simplicity's Hidden Complexity

Discover the treacherous edge cases lurking beneath Raft's elegant protocol description that cause production consensus failures.

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SystemSage
6 min read
Why Microservices Increase Latency Variance
Computer Science

Why Microservices Increase Latency Variance

The hidden mathematics of fan-out, hedging, and queuing that determine whether your distributed system delivers consistent performance or unpredictable latency spikes.

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SystemSage
8 min read
Memory Barriers: What Your Compiler Hides
Computer Science

Memory Barriers: What Your Compiler Hides

The hidden reorderings in your concurrent code that store buffers and compilers conspire to create—and the barriers that stop them.

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SystemSage
8 min read
Why Linearizability Costs More Than You Think
Computer Science

Why Linearizability Costs More Than You Think

The theoretical barriers and strategic trade-offs that determine when strong consistency is worth its unavoidable performance penalty in distributed systems.

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SystemSage
7 min read
The Hidden Cost of Garbage Collection in Latency-Critical Systems
Computer Science

The Hidden Cost of Garbage Collection in Latency-Critical Systems

Why your carefully optimized algorithm still exhibits unpredictable latency spikes, and the architectural patterns that restore deterministic performance in garbage-collected systems.

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SystemSage
7 min read
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