Tagged articles

I/O Bottleneck

2 articles · Page 1 of 1

Aug 8, 2026 · Operations

A Complete Walkthrough of Investigating High Server Load in Production

This article narrates a step‑by‑step investigation of a sudden CPU load spike on a 24‑core e‑commerce web server, revealing an I/O bottleneck caused by misconfigured log rotation and excessive debug logging, and outlines the diagnostic commands, root‑cause analysis, immediate remediation, and long‑term fixes.

I/O BottleneckLinuxLoad Average

0 likes · 19 min read

A Complete Walkthrough of Investigating High Server Load in Production

Java Backend Technology

Aug 1, 2020 · Databases

Why Smaller DB Connection Pools Boost Performance: Real-World Test Insights

Through a series of Oracle and PostgreSQL benchmarks, this article demonstrates that reducing database connection pool size can dramatically lower request latency—from around 100 ms to just 3 ms—by aligning pool size with CPU cores and I/O characteristics, and provides a practical formula for sizing.

I/O BottleneckSQL latencydatabase-connection-pool

0 likes · 10 min read

Why Smaller DB Connection Pools Boost Performance: Real-World Test Insights