Soak Testing In-Depth

Soak testing is also known as endurance testing, capacity testing, or longevity testing. It involves testing the system to detect the performance-related issues. For instance, stability and response time by requesting the designed load on a network. The system is then evaluated to see whether it could perform well under a significant weight for an extended period. Thus, measuring its reaction and analyzing its behavior under sustained use. Soak testing is a type of load testing.

What is Soak Testing

Soak Testing is a type of nonfunctional testing that measures a system’s performance under a considerable volume of load for an extended time. The purpose of Soak testing is to find whether the system will stand up to a very high amount of usage and to see what would happen outside its design expectations.

In this type of testing, what is monitored is the memory utilization by an application in a system. It is testing at a system level, finding whether the system will stand up to a very high volume of usage, and to see what would happen outside its design expectations.

Scenarios for Soak Testing

  • Before the built is deployed to the client. For instance, prior to the release of any application on a specific platform, it needs to go through a successful series of load tests at high or equivalent traffic levels. It helps us to determine how to run any particular application for an extended period. In other words, when it is on Soak, then it should be immediately reported.
  • The best time to do soak testing is over the weekends. An application needs to be running for as long as over a day or night. It depends on the limitations of the testing situation. Soak tests are one of the most important compliance requirements which need to be very strictly followed by every company.

Characteristics of Soak Testing

  1. The duration of most Soak Test is often determined by the time available.
  2. Any application must run without any interruption if it requires an extended period.
  3. It should cover all the scenarios that are agreed upon by the stakeholders.
  4. Mostly every system has a regular maintenance window time, and the time between such window periods is a crucial driver for determining the scope of a Soak Test.

Importance of Soak Testing

Soak testing is essential for two main reasons. First, it ensures that the device will perform as expected. Second, soak testing helps safeguard your reputation as a manufacturer. It involves a simulation of real-life conditions to which the product will be subject once the end-user purchases it.

Problems could crop up during a product’s life cycle, either at the beginning or end. Soak testing aims to ward off these potential problems before they affect the user. There have been many cases of products that work well in the initial stages of use but perform erratically or fail later. It also helps identify faulty product components that might have passed early inspections but will fail in the course of ongoing vetting.

The soak test will expose the products to situations that approximate real-life scenarios. Soak testing is different from stress testing. This means that a product might pass it but fail in a stress test.


To Wind Up

Soak testing is essential for recognizing and augmenting possible issues. For instance, memory leaks, resource leaks, or deprivation that can happen over time due to constant heavy load over the system. It is essential to reduce performance errors and system errors from the system.

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