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Tag for content related to software performance.

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PostgreSQL MVCC Autovacuum Starvation: HOT Update Breakdown & Table Bloat under Heavy Write Loads

PostgreSQL MVCC Autovacuum Starvation: HOT Update Breakdown & Table Bloat under Heavy Write Loads

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4 min read
Python 3.15 Released: New Features, Improvements, and Resources for Developers

Python 3.15 Released: New Features, Improvements, and Resources for Developers

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7 min read
I Tested the "unload Blocks bfcache" Rule and My Page Was Restored Anyway

I Tested the "unload Blocks bfcache" Rule and My Page Was Restored Anyway

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3 min read
Pacing Batch Workloads with Linux sched_ext: An Engineering PoC

Pacing Batch Workloads with Linux sched_ext: An Engineering PoC

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4 min read
Why Increasing Database Connections Makes Queries Slower: Process Overhead, Little’s Law, and Pool Sizing Math

Why Increasing Database Connections Makes Queries Slower: Process Overhead, Little’s Law, and Pool Sizing Math

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8 min read
Defending the 16ms Frame: A Performance Budget for React Native Skia

Defending the 16ms Frame: A Performance Budget for React Native Skia

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5 min read
🚀Stop letting your monitoring agents slow down your production traffic!

🚀Stop letting your monitoring agents slow down your production traffic!

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1 min read
Building an In-Memory Semantic Cache for LLM Endpoints with Node.js and pgvector

Building an In-Memory Semantic Cache for LLM Endpoints with Node.js and pgvector

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11 min read
Virtual threads are not dangerous; unbounded concurrency against a bounded dependency is.

Virtual threads are not dangerous; unbounded concurrency against a bounded dependency is.

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1 min read
The physics of build systems

The physics of build systems

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16 min read
SshResident at 180% CPU: why my ScanSnap iX2500 took 14 seconds to start, and the fix that wasn't code

SshResident at 180% CPU: why my ScanSnap iX2500 took 14 seconds to start, and the fix that wasn't code

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7 min read
Buying an M.2 NVMe SSD Enclosure: Six Checks Before You Order

Buying an M.2 NVMe SSD Enclosure: Six Checks Before You Order

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5 min read
Mobile PageSpeed Insights: Why Scores Stall

Mobile PageSpeed Insights: Why Scores Stall

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7 min read
Measuring the ROI of TurboModules before you commit to the rewrite

Measuring the ROI of TurboModules before you commit to the rewrite

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6 min read
How We Made PNG Export More Responsive in Strokeline

How We Made PNG Export More Responsive in Strokeline

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4 min read
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