Blog SERVER.UA

Month: February 2026

Why a VPS Stops Responding After Several Days Without a Reboot

By

On February 5, 2026

In Servers

A server with an error warning, a reboot process, and a recovered server with a stable state and active indicators.
Regular updates and restarts return the server to stable operation

Many website and online service owners notice a similar pattern: immediately after launch or a reboot, a VPS works fast and without issues, but after a few days the server starts to slow down, takes longer to respond to requests, or becomes completely unavailable. At first glance, it may seem like the problem appears suddenly, but in reality it builds up gradually. A virtual server is a living system where processes continuously consume resources, and if those resources are not released correctly, overall stability decreases over time.

Read More

When Increasing the Number of CPU Cores Does Not Improve Performance

By

On February 5, 2026

In Servers

A user at a computer waiting to download, next to a server with many processor cores, showing the lack of performance gain from their number.
More cores do not guarantee faster server performance

When choosing a VPS or a dedicated server, many users first look at the number of CPU cores. The logic seems simple: more cores mean higher performance and faster operation of the project. In practice, this rule does not always work. In many cases, increasing the number of cores does not deliver the expected effect and sometimes does not affect the actual speed of a website or service at all. To make the right server choice, it is important to understand how the processor is used under different types of workloads.

Read More

How an Incorrect Cache Size Leads to Constant Website Delays

By

On February 4, 2026

In Servers

A container labeled cache, filled with files, code, and settings icons, next to a browser window with a loading indicator and a clock, emphasizing the long wait for the site to respond.
Incorrect caching settings affect site speed

Website performance directly affects user behavior, search engine rankings, and overall brand perception. When pages start loading slowly, site owners often look for the problem in design, code, or hosting. In practice, however, a frequent cause of recurring delays is incorrectly configured caching. This is not about the absence of a cache, but about an inappropriate cache size that does not take the actual load on the website into account.

Read More

-->