Step‑by‑Step Investigation of a High‑Load Production Server

During a mid‑year promotion an e‑commerce platform experienced a sudden spike in load average and response latency; the article walks through a systematic, command‑driven investigation that identifies an I/O bottleneck caused by mis‑configured log rotation and excessive debug logging, and presents immediate and long‑term remediation steps.

I/OLinuxLog Management

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Step‑by‑Step Investigation of a High‑Load Production Server

php Courses

Dec 11, 2023 · Backend Development

How to Reduce Server Load Using PHP: Caching, Pagination, and Result Caching

This article explains how to lower server load in PHP applications by employing caching mechanisms such as Memcached or Redis, implementing pagination to limit data per request, and caching computational results, while providing concrete code examples for each technique.

PHPPerformance OptimizationServer Load

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How to Reduce Server Load Using PHP: Caching, Pagination, and Result Caching

ITPUB

Jun 15, 2016 · Information Security

How a Nginx Null‑Byte Upload Vulnerability Fueled a Server Load Spike

A sudden 50% server load increase was traced to a malicious PHP file uploaded via an Nginx %00 null‑byte vulnerability, revealing how the exploit works, how it was detected, and steps to prevent future attacks.

Server Loadnginxnull-byte vulnerability

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How a Nginx Null‑Byte Upload Vulnerability Fueled a Server Load Spike