AMD
- AMD Server Configuration
This article details configuring MediaWiki for optimal performance on servers utilizing AMD processors. It's geared towards system administrators new to our wiki environment. Understanding these configurations is crucial for maintaining a stable and responsive wiki experience.
Introduction
AMD processors offer a compelling balance of performance and cost, making them a popular choice for MediaWiki servers. However, maximizing their potential requires careful configuration. This guide will cover key aspects of server setup, focusing on CPU, memory, and storage considerations specific to AMD platforms. Before proceeding, ensure you have a working installation of MediaWiki 1.40. Refer to the Installation guide for initial setup instructions. Proper System requirements are essential to a stable wiki.
CPU Considerations
AMD CPUs, particularly those with high core counts, excel at handling the parallel processing demands of MediaWiki. However, simply having more cores isn't enough. Effective configuration involves understanding core affinity and process scheduling.
Here's a breakdown of common AMD server CPU series and their typical characteristics:
| CPU Series | Core Count (Typical) | Clock Speed (Typical) | Suitable For |
|---|---|---|---|
| EPYC 7003 Series | 64 | 2.6 GHz - 3.4 GHz | High-traffic wikis, large databases |
| EPYC 7002 Series | 32 | 2.2 GHz - 3.3 GHz | Medium to high-traffic wikis |
| Ryzen Threadripper PRO | 16 - 64 | 3.0 GHz - 4.5 GHz | Smaller to medium wikis, development servers |
It is crucial to monitor CPU usage regularly. Overloaded CPUs will cause significant slowdowns.
Memory Configuration
MediaWiki's performance is heavily reliant on available RAM. Insufficient memory leads to frequent disk I/O, drastically reducing response times. AMD platforms support both DDR4 and DDR5 memory, depending on the CPU generation.
Here's a guide to recommended memory configurations:
| Wiki Size | Recommended RAM | Notes |
|---|---|---|
| Small (Under 10,000 pages) | 8 GB - 16 GB | Suitable for testing and low-traffic wikis. |
| Medium (10,000 - 100,000 pages) | 32 GB - 64 GB | Recommended for most wikis with moderate traffic. |
| Large (Over 100,000 pages) | 128 GB+ | Required for high-traffic wikis and complex extensions. |
Utilize the PHP memory limit setting in `php.ini` to allocate sufficient memory to PHP processes. This setting must be carefully tuned for optimal performance. Consider using a caching mechanism like Memcached or Redis to reduce database load and memory consumption.
Storage Configuration
Fast storage is critical for MediaWiki. Solid State Drives (SSDs) are highly recommended over traditional Hard Disk Drives (HDDs). NVMe SSDs offer even greater performance.
Here's a comparison of storage options:
| Storage Type | Read Speed (Approx.) | Write Speed (Approx.) | Cost (Approx.) |
|---|---|---|---|
| HDD (7200 RPM) | 100-200 MB/s | 100-150 MB/s | Low |
| SATA SSD | 500-550 MB/s | 450-520 MB/s | Medium |
| NVMe SSD | 3,500-7,000+ MB/s | 2,500-5,000+ MB/s | High |
Configure your file storage (images, thumbnails, etc.) on the fastest available storage. Ensure adequate disk space for growth. Regularly monitor Disk space usage to prevent performance degradation. Utilize the Database caching options for improved performance.
Operating System & Software Stack
Linux distributions such as Ubuntu Server, Debian, or CentOS are commonly used for MediaWiki deployments. Ensure your operating system is up-to-date with the latest security patches.
- **Web Server:** Apache or Nginx are popular choices. Apache configuration and Nginx configuration are essential for performance.
- **Database:** MySQL/MariaDB or PostgreSQL are the recommended database systems. Proper Database configuration is paramount.
- **PHP:** MediaWiki requires PHP. Ensure you are running a supported PHP version (currently PHP 7.4 or 8.1).
- **Caching:** Implement a caching layer using Memcached or Redis to reduce database load.
Monitoring & Tuning
Regular monitoring is essential for identifying and resolving performance bottlenecks. Use tools like `top`, `htop`, `iotop`, and `vmstat` to monitor system resources. Analyze Slow query log to identify inefficient database queries.
- **PHP-FPM:** If using PHP-FPM, tune the `pm.max_children` and `pm.start_servers` settings to optimize process management.
- **Database Tuning:** Optimize database configuration parameters such as `innodb_buffer_pool_size` (MySQL/MariaDB) or `shared_buffers` (PostgreSQL). See the Database performance page.
- **Regular Backups:** Implement a robust Backup strategy to protect your wiki data.
Security Considerations
Always follow security best practices. Keep your software up-to-date, use strong passwords, and configure a firewall. Refer to the Security policy for detailed guidance.
Help:Contents MediaWiki FAQ Configuration settings Performance optimization Database administration PHP configuration Apache configuration Nginx configuration Caching System requirements Installation guide CPU usage PHP memory limit Database caching Disk space usage Slow query log Database performance Security policy Backup strategy
Intel-Based Server Configurations
| Configuration | Specifications | Benchmark |
|---|---|---|
| Core i7-6700K/7700 Server | 64 GB DDR4, NVMe SSD 2 x 512 GB | CPU Benchmark: 8046 |
| Core i7-8700 Server | 64 GB DDR4, NVMe SSD 2x1 TB | CPU Benchmark: 13124 |
| Core i9-9900K Server | 128 GB DDR4, NVMe SSD 2 x 1 TB | CPU Benchmark: 49969 |
| Core i9-13900 Server (64GB) | 64 GB RAM, 2x2 TB NVMe SSD | |
| Core i9-13900 Server (128GB) | 128 GB RAM, 2x2 TB NVMe SSD | |
| Core i5-13500 Server (64GB) | 64 GB RAM, 2x500 GB NVMe SSD | |
| Core i5-13500 Server (128GB) | 128 GB RAM, 2x500 GB NVMe SSD | |
| Core i5-13500 Workstation | 64 GB DDR5 RAM, 2 NVMe SSD, NVIDIA RTX 4000 |
AMD-Based Server Configurations
| Configuration | Specifications | Benchmark |
|---|---|---|
| Ryzen 5 3600 Server | 64 GB RAM, 2x480 GB NVMe | CPU Benchmark: 17849 |
| Ryzen 7 7700 Server | 64 GB DDR5 RAM, 2x1 TB NVMe | CPU Benchmark: 35224 |
| Ryzen 9 5950X Server | 128 GB RAM, 2x4 TB NVMe | CPU Benchmark: 46045 |
| Ryzen 9 7950X Server | 128 GB DDR5 ECC, 2x2 TB NVMe | CPU Benchmark: 63561 |
| EPYC 7502P Server (128GB/1TB) | 128 GB RAM, 1 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (128GB/2TB) | 128 GB RAM, 2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (128GB/4TB) | 128 GB RAM, 2x2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (256GB/1TB) | 256 GB RAM, 1 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (256GB/4TB) | 256 GB RAM, 2x2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 9454P Server | 256 GB RAM, 2x2 TB NVMe |
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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️