How to Investigate Server Load: Part 2

Reading Time: 12 minutes

Introduction

In this second tutorial on server load, we outline the steps that should be taken when investigating where server load originates and what may be causing your server to become overloaded. As noted in Part 1 of our series, excessive use of any apps or services can typically cause load issues. Here are the four main areas of concern:

  • CPU
  • Memory (including swap)
  • Disk I/O
  • Networking
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How to Investigate Server Load: Part 1

Reading Time: 7 minutes

Introduction

In this two-part series, we outline the steps to take when investigating where server load originates or causing your server to become overloaded. When running a server that hosts multiple websites, high load issues often crop up. To find out how and why this occurs, read on. 

What is Server Load? 

Server load is a measure of work that a server is experiencing. The load averages represent the average system load over a period of time. Servers calculate load averages as the exponentially damped/weighted moving average of the load numbers. The three values of load average refer to the past one, five, and fifteen minutes of system operation. If you have a single CPU, the load average is a percentage of the system utilization for a specific time period. If you have multiple CPU’s, you must divide by the number of processors to get a comparable percentage. To find the number of processors on the server, run the following command.

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How to Troubleshoot A Slow Loading Website

Reading Time: 6 minutes
Slow Website

More and more these days, a high search engine page rank is imperative. The ideal website load time for mobile sites now should be under 3 seconds, and honestly, the faster, the better! The average time it takes to load an entire mobile landing page is approximately 22 seconds, but 53% of visits are abandoned if a mobile site takes longer than 3 seconds to load.

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What Indicates A Compromised Website?

Reading Time: 6 minutes

Introduction

What happens when a site is compromised? How quickly can you respond when you recognize the signs that something is amiss? In today’s article, we will explore some of the more common indicators of a compromised website, how you can spot it, and how to act on it in a timely manner. 

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