Admin: Automated server configuration article

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Automated server configuration article

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=== How to Future-Proof Your Server Infrastructure ===

As your wiki grows, careful server planning is crucial. This article outlines strategies to build a server infrastructure that can handle increasing traffic, data storage needs, and evolving MediaWiki features. We’ll focus on scalability, redundancy, and maintainability—key elements of a future-proof setup. This guide is aimed at system administrators with some existing server experience.

== Understanding Future Growth ==

Before diving into specific configurations, it's vital to estimate your wiki’s future needs. Consider these factors:

* '''Content Growth:''' How quickly is your wiki’s content expanding?
* '''User Base:''' Are you expecting an increase in registered users and anonymous visitors?
* '''Traffic Patterns:''' Analyze peak usage times and average traffic levels. Use tools like [[mw:Manual:Statistics]] to gather data.
* '''Feature Expansion:''' Do you plan to implement extensions like [[Extension:Semantic MediaWiki]] or [[Extension:VisualEditor]] which will add significant load?
* '''Data Storage:''' Account for not only article content but also revision history, uploaded files [[Manual:Configuring file uploads]], and database growth.

Ignoring these factors can lead to performance bottlenecks and downtime.

== Hardware Considerations ==

The foundation of any robust infrastructure is the hardware. Here's a breakdown of recommended specifications, recognizing that these are *minimums* and will need adjustment based on your specific needs.

{| class="wikitable"
! Component
! Minimum Specification
! Recommended Specification
|-
| CPU
| 4 cores, 2.4 GHz
| 8+ cores, 3.0+ GHz
|-
| RAM
| 8 GB
| 16 GB+ (32GB+ for large wikis)
|-
| Storage (SSD)
| 256 GB
| 512 GB+ (1TB+ for large wikis) - RAID 1 or RAID 10
|-
| Network
| 1 Gbps
| 10 Gbps
|}

'''Note:''' Solid State Drives (SSDs) are *highly* recommended over traditional Hard Disk Drives (HDDs) for significantly improved performance, especially for database operations. Consider RAID configurations for data redundancy. [[Manual:Upgrading hardware]] provides details on hardware replacement.

== Software Stack & Configuration ==

The software stack is equally important. We'll focus on a common Linux-based setup, but the principles apply to other operating systems.

* '''Operating System:''' Choose a stable Linux distribution like Ubuntu Server LTS, Debian, or CentOS Stream.
* '''Web Server:''' Apache or Nginx are excellent choices. Nginx is often preferred for its performance and scalability. See [[Manual:Configuring Apache]] for details.
* '''Database:''' MySQL/MariaDB is the standard. Consider using a dedicated database server. PostgreSQL is also a viable option, though less common for MediaWiki. [[Manual:Database]] covers database setup.
* '''PHP:''' Use a supported PHP version (currently PHP 8.1 or higher). Ensure necessary PHP extensions are installed (see [[Manual:PHP]] for a complete list).
* '''Caching:''' Implement caching at multiple layers. '''Memcached''' or '''Redis''' are crucial for caching database queries and rendered content. Configure [[$wgMainCacheType]] appropriately.
* '''Varnish:''' Consider using Varnish Cache as a reverse proxy for even greater performance.

== Scalability Strategies ==

As your wiki grows, you’ll need to scale your infrastructure. Here are several effective strategies:

* '''Vertical Scaling:''' Upgrading the hardware of an existing server (more CPU, RAM, storage). This is simpler but has limitations.
* '''Horizontal Scaling:''' Adding more servers to distribute the load. This is more complex but offers greater scalability.
* '''Load Balancing:''' Distributing traffic across multiple web servers using a load balancer (e.g., HAProxy, Nginx).
* '''Database Replication:''' Creating read-only replicas of your database to handle read requests. This offloads the primary database server.
* '''Caching:''' Aggressive caching reduces the load on both the web servers and the database.

Here's a comparison of scaling considerations:

{| class="wikitable"
! Scaling Method
! Complexity
! Cost
! Scalability
|-
| Vertical Scaling
| Low
| Moderate
| Limited
|-
| Horizontal Scaling
| High
| High
| Excellent
|-
| Database Replication
| Medium
| Moderate
| Good
|}

== Redundancy and Disaster Recovery ==

Protecting against hardware failures and data loss is paramount.

* '''RAID:''' Use RAID (Redundant Array of Independent Disks) to protect against disk failures. RAID 1 or RAID 10 are recommended.
* '''Backups:''' Implement regular, automated backups of your wiki's files (including images) and database. Store backups off-site. See [[Manual:Backups]] for backup procedures.
* '''Failover:''' Configure a failover system so that if one server fails, another can automatically take over.
* '''Disaster Recovery Plan:''' Develop a comprehensive disaster recovery plan that outlines the steps to restore your wiki in the event of a major outage.

== Monitoring and Maintenance ==

Proactive monitoring is essential.

* '''Server Monitoring:''' Use tools like Nagios, Zabbix, or Prometheus to monitor server performance (CPU usage, RAM usage, disk space, network traffic).
* '''Log Analysis:''' Regularly analyze server logs for errors or suspicious activity.
* '''Security Updates:''' Keep your operating system, web server, database, and PHP up to date with the latest security patches. See [[Manual:Security]] for security best practices.
* '''Database Maintenance:''' Optimize your database regularly (e.g., analyze tables, optimize queries).

Here’s a sample monitoring checklist:

{| class="wikitable"
! Item to Monitor
! Frequency
! Tool Example
|-
| CPU Usage
| 5 minutes
| Nagios, Zabbix
|-
| RAM Usage
| 5 minutes
| Nagios, Zabbix
|-
| Disk Space
| Daily
| df command, Nagios
|-
| Database Performance
| Daily
| MySQL Workbench, phpMyAdmin
|-
| Website Availability
| 1 minute
| Pingdom, UptimeRobot
|}

== Conclusion ==

Future-proofing your server infrastructure is an ongoing process. By carefully planning for growth, implementing robust redundancy measures, and proactively monitoring your systems, you can ensure that your MediaWiki installation remains reliable, performant, and scalable for years to come. Regularly review this configuration and adapt it to your wiki's evolving needs. Remember to consult the [[MediaWiki official documentation]] for the most up-to-date information.

[[Manual:Configuration]]
[[Manual:Installation]]
[[Manual:Upgrading MediaWiki]]
[[Manual:Maintenance]]
[[Manual:Security]]
[[Manual:Database]]
[[Manual:PHP]]
[[Manual:Configuring Apache]]
[[Manual:Backups]]
[[Extension:Semantic MediaWiki]]
[[Extension:VisualEditor]]
[[mw:Manual:Statistics]]
[[Manual:Configuring file uploads]]
[[MediaWiki official documentation]]
[[Help:Contents]]
[[Special:MyPreferences]]

[[Category:Server Configurations]]

== Intel-Based Server Configurations ==
{| class="wikitable"
! 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 ==
{| class="wikitable"
! 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
|
|}

== Order Your Dedicated Server ==
[https://powervps.net/?from=32 Configure and order] your ideal server configuration

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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️

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