Servers and Virtual Machines
ZFS ARC Cache: Understanding Memory Usage Correctly
Learn how the ZFS ARC cache works, why high RAM usage is normal, and how to properly configure memory usage to improve ZFS performance.
Skip to content Learn how the ZFS ARC cache works, why high RAM usage is normal, and how to properly configure memory usage to improve ZFS performance.
XFS vs. EXT4 on NVMe Servers: This article explains benchmarks and real-world performance metrics and shows which file system is best suited for your Linux storage.
For self-employed individuals and webmasters, professional office software is not a luxury, but an indispensable tool. Whether it’s creating quotes, doing bookkeeping in Excel, or preparing a project presentation for a new client—the programs in the Microsoft Office suite are
Outsourcing a company’s IT infrastructure to an external data center is one of the most fundamental strategic decisions for modern businesses. It involves not only transferring hardware but also a significant degree of responsibility for availability, security, and performance. The wrong choice can lead to
A balcony solar power system with a module capacity of 2,000 Wp generates approximately 1,600 to 1,900 kilowatt-hours per year in Germany—enough to cover a large portion of the base load for many tech-savvy households. A maximum of 800 watts continues to be fed into the grid. How generation and
The days when corporate compliance was handled simply by filing away policies and conducting occasional employee training sessions are finally over. Regulatory requirements for companies are growing rapidly. Whether it’s the NIS 2 Directive, the GDPR, the Supply Chain Due Diligence Act (LkSG), or industry-specific requirements such as DORA—
Receive Side Scaling optimizes 10G and 25G networks by distributing packets across multiple CPU cores. Learn how to configure RSS on a Linux server to get the most out of your setup. Focus: Receive Side Scaling in high-speed environments.
Choosing a web hosting provider is one of the most important decisions when building a website. Anyone planning an online project—whether a blog, a company website, or an online store—is faced with a nearly overwhelming array of plans, technologies, and service promises. Especially in Germany, the
If you run your own website, when it comes to security, you probably think first of all about your passwords, backups, or SSL. While that’s generally correct, it’s unfortunately not enough for complex applications. As soon as you have, among other things, user accounts,
Configuring irqbalance correctly in Linux: How to efficiently distribute interrupts on Linux servers and improve performance.
TCP Small Queues in the Linux kernel limits the number of TCP packets buffered per flow and is a powerful tool for latency optimization. Learn how TSQ reduces bufferbloat and improves server response times.
Learn how the Linux Transparent Page Cache works, how it differs from the traditional page cache, and how to optimize your memory management for maximum performance. Focus: Transparent Page Cache.
Learn how MySQL histograms provide the optimizer with accurate optimizer statistics, enable better query plans, and significantly improve your SQL tuning without requiring additional indexes.
Learn how to use MySQL EXPLAIN ANALYZE to understand execution plans and optimize your SQL queries using the keyword "mysql explain analyze.".
CloudLinux PHP Selector Explained: How to Control Your PHP Version, Enable Extensions, and Safely Adjust Limits in Your Hosting Environment—Ideal for Modern Shared Hosting Environments.
CloudLinux's legacy PHP versions provide a secure foundation for legacy projects in hosting. Learn how legacy PHP, the PHP selector, and CageFS work together to enhance hosting security and enable the use of multiple PHP versions in parallel.
Learn how to properly evaluate the PHP-FPM slowlog and analyze slow requests in detail. With this guide, you can specifically optimize the performance of your PHP application—the perfect introduction to efficient PHP debugging.
Learn how to use the PHP Realpath Cache strategically to boost your PHP performance and reduce file system accesses. Focus on configuration and best practices.
Learn how to identify PHP OPcache fragmentation, resolve it through monitoring and configuration, and optimize your applications' performance with targeted PHP tuning. Focus: PHP OPcache fragmentation in professional hosting environments.
To configure your cache optimally, you should understand how Redis eviction works with Redis LFU and Redis LRU—this article provides a direct comparison and helps you choose the right policy.
Discover how Redis Active Defragmentation reduces memory fragmentation and ensures sustainable Redis memory optimization—including practical tips and best practices.
Redis Lazy Free reduces blocking and improves performance through asynchronous memory release in the background.
Learn how the InnoDB double-write buffer protects your data from torn pages, what performance overhead it causes, and which tuning strategies are effective for InnoDB performance. Focus: The double-write buffer in practical MariaDB tuning.
Learn how the MariaDB query optimizer works internally, how to analyze the SQL execution plan using EXPLAIN, and how to implement practical database tuning—including tips for high-performance web applications.
The NGINX FastCGI Cache improves WordPress performance and is a powerful alternative to plugins.
Redis Full-Page Cache speeds up WordPress by storing entire pages in memory. Learn how the cache works, what its limitations are, and how to make the best use of the focus keyword "redis full page cache" in your setup.
acceleratewp improves WordPress optimization directly at the server level through caching, analysis, and automatic recommendations.
Max Cache vs. LiteSpeed Cache: A Comparison of Server-Level Differences, Hosting Factors, and Impact on WordPress Performance.
CloudLinux MAx Cache speeds up WordPress through server-side caching without PHP. This article discusses its benefits, practical use, and how it fits into the bigger picture.
Redis Session Storage for PHP applications improves performance, scalability, and stability in modern web projects.