Understanding the Merge Results Feature

 One of the main benefits to RedLine13 is the ability to efficiently scale your load test across multiple load generators.  Ordinarily a challenge would present itself in collecting these results into one unified data set.  With RedLine13 we have something called “Merge Results“.  You can use the Merge Results feature and analyze all your results at once.  In this brief post, we will discuss why many will find this to be useful. What are Merged Results?Read More →

Debug your JMeter Test

As you build your load test, you will need a way to debug your JMeter test. This is often accomplished initially using the JMeter’s GUI. When you move to the cloud however, there may be some differences that cannot be fully evaluated locally. To gain access to similar output – including logs – RedLine13 offers a feature to save output files for your JMeter and other load tests. In fact, there are a few useful things thisRead More →

Compare Load Tests Results using CSV Data

RedLine13 provides detailed real-time and post-test metrics, but there may be certain cases where you want to compare load test results.  In this post, we will discuss some of the ways you can compare metrics both within the same test, and between multiple tests. Compare Results from Multiple Load Tests It is possible to compare results between multiple test runs by combining exports and using a spreadsheet application like Excel.  Below we have a graph whichRead More →

JMeter Test Capacity Limits

Depending on your testing goals, whether using JMeter or something else, pushing your target application to a point of ultimate failure may be one of your objectives. In this post we will discuss what signs you might see in your load test when your target test application becomes “overwhelmed”. We will also explore some cases where problems in the test or the network can mimic an overwhelmed state. The extreme scalability of a cloud-based architecture enablesRead More →

Server Index is now a JMeter Property

JMeter tests running on RedLine13 with multiple load generators have visibility to the server “index” number as a JMeter property.  One of our customers was running large scale load tests across multiple servers.  They needed a way to correlate test plans running on individual server machines, something akin to the example described below.  Sometimes useful features come from our customers solving real-world issues, and this is an example of one such case. This property – rl13_agentindexRead More →

Simulate Slow Internet Connections with JMeter

When we think of performance testing, often the first thing that comes to mind are highly scaled systems generating as much traffic as possible. This is done because we consider the most extreme conditions a production environment will encounter is when many users (or a coordinated attack) converge at once. However, extreme conditions can also be encountered at the other end of the spectrum with poor quality network connections. For example, a RedLine13 customer discovered thatRead More →

Performance test video streaming services

RedLine13 Technology Partner UBIK has published a case study using UbikLoadPack and RedLine13 to performance test video streaming services. Their client wanted to verify that his infrastructure could properly handle the delivery of a live sporting event with up to 150,000 watchers. The test needed to verify the following: Test Objectives Customers user experience (no lags, accuracy of stream, no delay) CDN and Origin delivery performance Bandwidth of the network Load balancing across 2 Data centersRead More →

rerun a test

Have you ever had the need to run the same test more than once?  Or perhaps you’ve needed to run a similar test that only needed to be changed slightly. In these cases, it can be tedious and time consuming to re-enter all of the testing parameters and environment setup.  However, RedLine13 premium subscribers can duplicate any test with a single click! When you click on the “Clone” button, a copy of your test is created.Read More →

Distribute your JMeter clients across different regions with RedLine13

This is a guest post from Eldad Uzman, Automation Architect at Merck on how to distribute JMeter clients across different regions. You can read more from Eldad at Medium. When running load tests, you want to make sure your testing setup is as close to production setup as possible.  One of the many things that would contribute to high validity of load tests is the ability to distribute the load across different regions.  Thanks to RedLine13Read More →

Capacity Reservations for Large Load Tests

Scalability is one of the greatest strengths of using a cloud-based architecture.  However, there are occasionally limitations to how quickly we can scale. This is especially true for high volume load testing.  In these scenarios, we need to instantaneously scale a practically nonexistent cloud architecture to our maximum desired size.  It is not always guaranteed that cloud providers like AWS will have these resources idle and waiting in the necessary quantities.  In this post we willRead More →