What Are JMeter Results?

JMeter results are a type of data that represent the performance metrics of a tested application or service. These metrics are crucial in understanding how the application behaves under various load conditions. JMeter, being a performance testing tool, offers a comprehensive set of metrics such as elapsed time, latency, connect time, and more, which are ideally kept as low as possible, usually under one second for better performance.

The results can be saved as a JTL file, which is a plain CSV file format that is easy to read and can be parsed by web-based tools for further analysis. Additionally, JMeter results can be analyzed with tools like the HTML Report Dashboard, which is available for JMeter versions 3.0 and later and displays a variety of metrics including response times, throughput, and active threads.

For more advanced visualization, JMeter results can be sent to databases like InfluxDB, a time series database, or visualized using Grafana. They can also be sent to Prometheus using a JMeter plugin, which provides outputs in formats such as Histogram and Summary. Furthermore, cloud-based JMeter load testing solutions like Blazemeter, Flood, and OctoPerf offer different ways to visualize, analyze, and report JMeter results.

Exporting JMeter Results to a CSV File

Using "View Results in Table" Listener

To save the results of a JMeter test to a CSV file using the "View Results in Table" listener, the test must be executed first. After running the test, you can save the table results directly to a CSV file. The CSV file will be saved in the bin folder by default, but you can specify a different file path using the "Filename" field. Simply enter a complete path and file name, such as abc.csv, to save the file in your desired location.

Using the Aggregate Report Listener

The Aggregate Report listener can also be used to save JMeter test results to a CSV file. As with the "View Results in Table" listener, the test needs to be run before exporting the data. The file will be saved in the bin folder by default unless a different path is specified in the "Filename" field.

Using Command Line Options

A CSV file can be generated by using the -l option in JMeter command line commands. This allows you to run a test and save the results directly to a CSV file without using the JMeter GUI. To change the default saving location from the bin folder, specify the complete file path in the command.

Changing Default Output Format

While the default output format for JMeter is CSV, you can change this setting in the jmeter.properties file if you want to save the results in a different format. However, if you prefer to save as CSV, no changes are required.

Enhance Your Data Analysis with Sourcetable

Sourcetable revolutionizes the way you work with JMeter results by offering a seamless alternative to the traditional export and import process. By syncing your live data directly from JMeter, Sourcetable eliminates the need to export results to a CSV file before analyzing them in a spreadsheet. This direct integration not only saves valuable time but also reduces the potential for errors that can occur during the data transfer process.

With Sourcetable, the power of automation is at your fingertips, enabling you to efficiently combine JMeter results with data from other applications or databases. The familiar spreadsheet interface of Sourcetable simplifies querying and manipulating data, which enhances your business intelligence capabilities. Choose Sourcetable for a more streamlined, accurate, and powerful data analysis experience.

Common Use Cases

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  Use case 1: Saving test results for offline analysis
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  Use case 2: Generating CSV reports for sharing with stakeholders
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  Use case 3: Archiving test outputs for compliance and record-keeping
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  Use case 4: Comparing test results with previous test runs for performance trends
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  Use case 5: Using CSV data for custom reporting or integration with other tools

Frequently Asked Questions

How can I save JMeter test results to a CSV file?

In JMeter, you can save test results to a CSV file by adding a listener such as 'View Results in Table' or 'Aggregate Report' and then specifying to save the results as a CSV file.

Where are the CSV files saved by default when using JMeter?

By default, JMeter saves CSV files in the bin folder.

Can I save JMeter test results to a CSV file in a different folder?

Yes, you can save JMeter test results to a CSV file in a different folder by specifying the path to the desired folder in the 'Filename' field of the listener.

Is it possible to save JMeter results in formats other than CSV?

Yes, the JMeter CSV exporter can save results in CSV, XML, and JTL formats.

Can I use code to save JMeter results to a CSV file?

Yes, you can use beanshell or other scripting to save results to a CSV file using code.