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php Courses
php Courses
Dec 23, 2025 · Backend Development

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

Learn practical PHP strategies to lower server load—including using Memcached or Redis for data caching, implementing pagination to limit query size, and caching computational results—complete with clear code snippets and guidance on adapting these techniques to improve performance and stability.

backend optimizationpaginationserver performance
0 likes · 4 min read
How to Reduce Server Load with PHP: Caching, Pagination, and Result Caching Techniques
Senior Tony
Senior Tony
May 29, 2025 · Operations

How to Diagnose and Fix 100% CPU on Database and Application Servers

This guide explains how to identify the root causes of a server's CPU hitting 100%—whether on a database or an application server—by using cloud monitoring, Linux top commands, thread analysis with jstack, and practical Java code fixes such as limiting loops, optimizing locks, and handling GC pressure.

CPU troubleshootingDatabase MonitoringJava
0 likes · 9 min read
How to Diagnose and Fix 100% CPU on Database and Application Servers
Open Source Linux
Open Source Linux
Jun 18, 2024 · Backend Development

Understanding and Solving the Linux Thundering Herd Problem

This article explains the Linux thundering herd phenomenon, its impact on processes, threads, and epoll, demonstrates it with C code examples, analyzes system overhead, and presents mitigation techniques such as accept mutex, SO_REUSEPORT, and proper locking to improve server performance.

LinuxSO_REUSEPORTaccept
0 likes · 19 min read
Understanding and Solving the Linux Thundering Herd Problem
Architects' Tech Alliance
Architects' Tech Alliance
Jul 30, 2023 · Fundamentals

2022 Computing Strengthening Action Product Catalog (2023): Evaluation of Server Hardware for Energy Efficiency and Performance

The 2022 Computing Strengthening Action product catalog presents a comprehensive evaluation of seven server models, detailing their energy‑saving technologies, performance under CPU, memory and storage loads, and classifying them as excellent, recommended, or outstanding products to guide data‑center hardware selection.

computing powerenergy efficiencyhardware testing
0 likes · 9 min read
2022 Computing Strengthening Action Product Catalog (2023): Evaluation of Server Hardware for Energy Efficiency and Performance
Tencent Cloud Developer
Tencent Cloud Developer
May 31, 2023 · Cloud Computing

TencentOS "Wujing": Server Memory Multi-Level Offloading Solution for Cloud Data Centers

TencentOS “Wujing” provides a server‑memory multi‑level offloading framework that uses kernel‑side reclamation, heat‑aware page classification, SWAP balancing, and CXL promotion to shift cold pages to cheaper storage, cutting data‑center memory use by up to 50 % while preserving performance.

DAMONLinux kernelMemory Optimization
0 likes · 14 min read
TencentOS "Wujing": Server Memory Multi-Level Offloading Solution for Cloud Data Centers
Bilibili Tech
Bilibili Tech
Oct 4, 2022 · Operations

How to Optimize AMD Milan Server Performance: BIOS, Memory, and Power Tuning

This article provides a detailed, data‑driven guide to evaluating and tuning AMD Milan‑based servers, covering SPEC CPU benchmarking, BIOS options such as SMT and Boost, memory channel and NUMA configurations, interleaving, IOMMU, and power‑state settings to achieve up to 30% performance gains.

AMD MilanBIOS tuningMemory Optimization
0 likes · 27 min read
How to Optimize AMD Milan Server Performance: BIOS, Memory, and Power Tuning
Open Source Linux
Open Source Linux
Feb 23, 2022 · Operations

20 Proven Linux Server Performance Tweaks Every Sysadmin Should Know

Learn how to boost Linux server efficiency with 20 practical tips—from kernel elevator adjustments and disabling unnecessary daemons to optimizing TCP, choosing the right filesystem, and leveraging performance tools like top, vmstat, iostat, free, and sar—ensuring faster, more secure, and cost-effective operations.

Kernel TuningLinuxoptimization
0 likes · 14 min read
20 Proven Linux Server Performance Tweaks Every Sysadmin Should Know
dbaplus Community
dbaplus Community
Dec 27, 2021 · Operations

How to Trace Server Latency and Build a Comprehensive Performance Toolkit

This guide explains how to trace transaction latency in multi‑vendor server environments, outlines the key monitoring metrics across CPU, network, disk and processes, compares coarse‑ and fine‑grained sampling, and proposes a unified, AI‑enhanced toolkit for diagnosing hardware and software performance bottlenecks.

AI analysisOperationshardware diagnostics
0 likes · 13 min read
How to Trace Server Latency and Build a Comprehensive Performance Toolkit
MaGe Linux Operations
MaGe Linux Operations
Sep 28, 2021 · Operations

Why Do TIME_WAIT Connections Accumulate and How to Fix Them?

The article explains why massive TIME_WAIT TCP connections appear during high‑concurrency scenarios, their impact on server ports and new connections, and provides practical analysis and solutions such as keep‑alive headers, socket reuse, and reducing the TIME_WAIT duration.

TCPTIME-WAITnetwork
0 likes · 9 min read
Why Do TIME_WAIT Connections Accumulate and How to Fix Them?
Architecture Digest
Architecture Digest
Jan 3, 2021 · Operations

Understanding How Many Concurrent TCP Connections a Server Can Actually Support

This article explains the true limits of concurrent TCP connections on a server, debunks common misconceptions about port numbers, details the TCP four‑tuple theory, outlines Linux file‑descriptor restrictions, shows how to tune kernel buffers with sysctl, and shares a real‑world test achieving one million active connections.

LinuxTCPconcurrency
0 likes · 6 min read
Understanding How Many Concurrent TCP Connections a Server Can Actually Support
Efficient Ops
Efficient Ops
Aug 28, 2016 · Operations

Six Proven Methods to Optimize Server Capacity and Cut Costs in Large‑Scale Social Networks

Tencent's SNG team shares six practical capacity‑management techniques—performance, density, feature, fragmentation, barrel, and hardware selection methods—that helped reduce operational expenses by over a hundred million yuan annually while supporting hundreds of millions of daily active users.

Cost OptimizationOperationscapacity management
0 likes · 10 min read
Six Proven Methods to Optimize Server Capacity and Cut Costs in Large‑Scale Social Networks