Performance testing insights, tools, and methods from Martkos IT Ltdhttps://martkos-it.co.uk/en-gbhttps://martkos-it.co.uk/blog/convert-jmeter-to-gatling/https://martkos-it.co.uk/blog/convert-jmeter-to-gatling/Gatling's AI converter skill, an offline multi-tool conversion, or a fixed-price human migration — how to choose a JMeter to Gatling path, fairly compared.Wed, 09 Sep 2026 00:00:00 GMTtoolsjmetergatlingmigrationconverterperformance-testingMarkhttps://martkos-it.co.uk/blog/jmeter-to-k6-converter-archived/https://martkos-it.co.uk/blog/jmeter-to-k6-converter-archived/Grafana's jmeter-to-k6 converter is archived and unmaintained. Four honest options for getting JMX into k6, and the checklist to run after any conversion.Wed, 09 Sep 2026 00:00:00 GMTtoolsjmeterk6migrationconverterperformance-testingMarkhttps://martkos-it.co.uk/blog/what-a-converter-will-never-migrate/https://martkos-it.co.uk/blog/what-a-converter-will-never-migrate/Converters handle HTTP shape well. Custom code, tool-specific samplers, deep logic, correlation intent and secrets they flag, drop or fake — and when a fixed-price review beats more automation.Wed, 09 Sep 2026 00:00:00 GMTtoolsjmeterk6gatlingmigrationconverterperformance-testingMarkhttps://martkos-it.co.uk/blog/silent-failures-in-generated-test-data/https://martkos-it.co.uk/blog/silent-failures-in-generated-test-data/Generated data can load cleanly, match its schema and pass every row count while making your load test measure the wrong thing entirely. Here are the four failures that cause it, and how to check your own data in ten minutes.Thu, 27 Aug 2026 00:00:00 GMTperformancetest-datadata-generationperformance-testingdatabasesdebuggingMarkhttps://martkos-it.co.uk/blog/silent-failures-migrating-performance-tests/https://martkos-it.co.uk/blog/silent-failures-migrating-performance-tests/Migrated scripts can run clean, pass a linter and produce a healthy report while testing almost nothing. Here are the three failures that cause it, and how to check your own suite in ten minutes.Wed, 12 Aug 2026 00:00:00 GMTperformancejmeterk6gatlingmigrationperformance-testingdebuggingMarkhttps://martkos-it.co.uk/blog/distributed-load-testing-kubernetes/https://martkos-it.co.uk/blog/distributed-load-testing-kubernetes/Run distributed JMeter on Kubernetes with StatefulSet workers and RMI done properly — plus why k6 and Gatling need different K8s primitives, not one chart.Wed, 18 Mar 2026 00:00:00 GMTtoolskubernetesjmeterk6gatlingdistributed-testinghelmperformance-testingMarkhttps://martkos-it.co.uk/blog/migrating-performance-test-scripts/https://martkos-it.co.uk/blog/migrating-performance-test-scripts/A practical look at the challenges of migrating load test scripts between frameworks, and how automated conversion can save weeks of manual effort.Tue, 17 Mar 2026 00:00:00 GMTtoolsjmeterk6gatlingmigrationperformance-testingMarkhttps://martkos-it.co.uk/blog/jmeter-correlation-problem/https://martkos-it.co.uk/blog/jmeter-correlation-problem/A real-world account of chasing dynamic values through JMeter test scripts, and why manual correlation still catches out even experienced performance engineers.Fri, 27 Feb 2026 00:00:00 GMTtoolsjmetercorrelationperformance-testingautomationscriptingMarkhttps://martkos-it.co.uk/blog/introducing-dummydatagenpro/https://martkos-it.co.uk/blog/introducing-dummydatagenpro/Generate realistic test data up to 10M+ rows with 50+ pre-built templates in JSONL, CSV, and Parquet formats - web-based platform with free tier.Tue, 10 Feb 2026 00:00:00 GMTtoolstest-datasynthetic-dataperformance-testingjmeterk6gatlingMarkhttps://martkos-it.co.uk/blog/editing-jmx-files-cli/https://martkos-it.co.uk/blog/editing-jmx-files-cli/Techniques for modifying Apache JMeter test plans from the terminal using sed, awk, and nano - and when these approaches fall short.Thu, 05 Feb 2026 00:00:00 GMTtutorialsjmeterlinuxbashcommand-lineci-cdautomationMarkhttps://martkos-it.co.uk/blog/test-data-performance-testing/https://martkos-it.co.uk/blog/test-data-performance-testing/Learn why test data quality can make or break your performance tests, and discover practical methods for creating realistic, scalable test data.Thu, 08 Jan 2026 00:00:00 GMTperformancetest-dataperformance-testingjmeterdata-generationMarkhttps://martkos-it.co.uk/blog/performance-testing-strategy/https://martkos-it.co.uk/blog/performance-testing-strategy/A comprehensive guide to developing a performance testing strategy, from gathering requirements to defining success criteria and reporting results.Wed, 10 Apr 2024 00:00:00 GMTperformancestrategymethodologyperformance-testingrequirementsMarkhttps://martkos-it.co.uk/blog/splitting-jtl-files/https://martkos-it.co.uk/blog/splitting-jtl-files/An easy method of splitting JTL files to extract only the data you want to analyse. Learn how to isolate steady-state data from ramp-up periods in your JMeter performance tests.Thu, 28 Dec 2023 00:00:00 GMTtoolsjmeterjtlperformance-testingbashscriptingMarkhttps://martkos-it.co.uk/blog/jmeter-prometheus-grafana/https://martkos-it.co.uk/blog/jmeter-prometheus-grafana/Set up real-time JMeter metrics visualization using Prometheus and Grafana for better load test monitoring and analysis.Tue, 19 Sep 2023 00:00:00 GMTtutorialsjmeterprometheusgrafanamonitoringMarkhttps://martkos-it.co.uk/blog/azure-performance-testing/https://martkos-it.co.uk/blog/azure-performance-testing/Practical guidance for performance testing applications on Microsoft Azure, covering App Service scaling, AKS configuration, and Azure-specific considerations.Tue, 13 Jun 2023 00:00:00 GMTperformanceazurecloudperformance-testingaksMarkhttps://martkos-it.co.uk/blog/microservices-performance-testing/https://martkos-it.co.uk/blog/microservices-performance-testing/Strategies for performance testing microservices architectures, including service isolation, dependency mocking, and distributed tracing.Tue, 21 Feb 2023 00:00:00 GMTperformancemicroservicesdistributed-systemsperformance-testingMarkhttps://martkos-it.co.uk/blog/gitlab-ci-performance-testing/https://martkos-it.co.uk/blog/gitlab-ci-performance-testing/Set up automated performance testing in GitLab CI/CD with k6 and JMeter, including Docker runners and result visualisation.Wed, 09 Nov 2022 00:00:00 GMTtutorialsgitlab-cici-cdautomationperformance-testingMarkhttps://martkos-it.co.uk/blog/sqlcl/https://martkos-it.co.uk/blog/sqlcl/A useful tool when dealing with Oracle data and automation is SQLcl. It allows you to connect to Oracle without launching a GUI and execute SQL on the command line.Tue, 11 Oct 2022 00:00:00 GMTtoolsoraclesqlclbashautomationdatabaseMarkhttps://martkos-it.co.uk/blog/pika-rabbitmq/https://martkos-it.co.uk/blog/pika-rabbitmq/A python tool called Pika is able to communicate with RabbitMQ and can prove useful for retrieving messages from error queues.Fri, 07 Oct 2022 00:00:00 GMTtoolspythonpikarabbitmqmessagingautomationMarkhttps://martkos-it.co.uk/blog/kubernetes-performance-testing/https://martkos-it.co.uk/blog/kubernetes-performance-testing/Learn how to performance test applications running on Kubernetes, including pod scaling behaviour, service mesh latency, and resource limit testing.Wed, 17 Aug 2022 00:00:00 GMTperformancekubernetescontainersperformance-testingdockerMarkhttps://martkos-it.co.uk/blog/locust-load-testing/https://martkos-it.co.uk/blog/locust-load-testing/Learn how to use Locust for load testing with Python, from basic scripts to distributed testing across multiple machines.Tue, 14 Jun 2022 00:00:00 GMTtoolslocustpythonload-testingperformance-testingMarkhttps://martkos-it.co.uk/blog/playwright-performance-testing/https://martkos-it.co.uk/blog/playwright-performance-testing/Learn how to use Playwright for performance testing, measuring page load times, Core Web Vitals, and identifying frontend bottlenecks.Tue, 08 Mar 2022 00:00:00 GMTtoolsplaywrightbrowser-testingperformance-testingweb-vitalsMarkhttps://martkos-it.co.uk/blog/github-actions-performance-testing/https://martkos-it.co.uk/blog/github-actions-performance-testing/Set up automated performance testing in GitHub Actions using k6 and JMeter, with result storage and performance regression detection.Tue, 30 Nov 2021 00:00:00 GMTtutorialsgithub-actionsci-cdautomationperformance-testingMarkhttps://martkos-it.co.uk/blog/k6-vs-jmeter/https://martkos-it.co.uk/blog/k6-vs-jmeter/A practical comparison of k6 and JMeter to help you choose the right performance testing tool for your project requirements.Wed, 22 Sep 2021 00:00:00 GMTtoolsk6jmetercomparisonload-testingMarkhttps://martkos-it.co.uk/blog/getting-started-with-k6/https://martkos-it.co.uk/blog/getting-started-with-k6/Learn how to use k6 for load testing with its JavaScript-based scripting, built-in metrics, and developer-friendly workflow.Tue, 15 Jun 2021 00:00:00 GMTtoolsk6javascriptload-testingperformance-testingMarkhttps://martkos-it.co.uk/blog/aws-performance-testing/https://martkos-it.co.uk/blog/aws-performance-testing/Practical guidance for performance testing applications hosted on AWS, covering EC2 instance sizing, RDS optimization, and Lambda cold start challenges.Thu, 25 Mar 2021 00:00:00 GMTperformanceawscloudperformance-testinginfrastructureMarkhttps://martkos-it.co.uk/blog/load-testing-tools/https://martkos-it.co.uk/blog/load-testing-tools/A comprehensive list of performance testing tools available for load testing, covering both open-source and enterprise solutions.Fri, 12 Mar 2021 00:00:00 GMTperformanceload-testingperformance-testingtoolscomparisonMarkhttps://martkos-it.co.uk/blog/lite-test-plan/https://martkos-it.co.uk/blog/lite-test-plan/How to create condensed, agile-focused performance test plans that capture critical non-functional requirements without excessive documentation.Mon, 26 Oct 2020 00:00:00 GMTperformancetest-planagiledocumentationperformance-testingbest-practicesMarkhttps://martkos-it.co.uk/blog/jmeter-masterslave/https://martkos-it.co.uk/blog/jmeter-masterslave/Learn how to configure Apache JMeter in a distributed master/slave architecture on Debian GNU/Linux 10, enabling load distribution across multiple servers in both GUI and headless modes.Sat, 24 Oct 2020 00:00:00 GMTtutorialsjmeterdistributed-testingperformance-testinglinuxdebianMarkhttps://martkos-it.co.uk/blog/jmeter-redis/https://martkos-it.co.uk/blog/jmeter-redis/Learn how to integrate Apache JMeter with Redis for dynamic test data management, enabling you to modify datasets during live performance tests.Sat, 05 Sep 2020 00:00:00 GMTtutorialsjmeterredisperformance-testingtest-dataMarkhttps://martkos-it.co.uk/blog/smoke-testing/https://martkos-it.co.uk/blog/smoke-testing/Essential tools and techniques for smoke testing your test environment before performance testing begins, ensuring all components are functional and accessible.Tue, 19 May 2020 00:00:00 GMTperformancesmoke-testingtestingcurlsshjmeterloadrunnerMarkhttps://martkos-it.co.uk/blog/linux-performance-testing/https://martkos-it.co.uk/blog/linux-performance-testing/Linux is a viable operating system for performance testing, with native support for industry-standard tools like JMeter, Fiddler Everywhere, LoadRunner Developer, SoapUI, and Gatling.Mon, 18 May 2020 00:00:00 GMTperformancelinuxperformance-testingjmetergatlingsoapuiloadrunnerfiddlerMarkhttps://martkos-it.co.uk/blog/jmeter-random-csv/https://martkos-it.co.uk/blog/jmeter-random-csv/Learn how to use the Random CSV Data Set Config plugin for Apache JMeter to enable random value selection from CSV files in your performance tests.Wed, 13 May 2020 00:00:00 GMTtutorialsjmeterperformance-testingcsvpluginstest-dataMarkhttps://martkos-it.co.uk/blog/sre-and-sdet/https://martkos-it.co.uk/blog/sre-and-sdet/Exploring the evolution of performance testing through Google's Site Reliability Engineer (SRE) and Microsoft's Software Development Engineer in Test (SDET) roles.Tue, 12 May 2020 00:00:00 GMTperformancesresdetperformance-testingdevopscareerqaMarkhttps://martkos-it.co.uk/blog/jmeter-inter-thread-communication/https://martkos-it.co.uk/blog/jmeter-inter-thread-communication/Learn how to enable communication between separate thread groups in Apache JMeter using the FIFO queue plugin for advanced test scenarios.Mon, 11 May 2020 00:00:00 GMTtutorialsjmeterperformance-testingthread-groupspluginsMarkhttps://martkos-it.co.uk/blog/dummy-sampler/https://martkos-it.co.uk/blog/dummy-sampler/A guide to using the Dummy Sampler plugin in Apache JMeter for creating custom requests and responses as test stubs.Tue, 05 May 2020 00:00:00 GMTtutorialsjmeterpluginstestingstubsperformance-testingMarkhttps://martkos-it.co.uk/blog/har-to-jmx-file/https://martkos-it.co.uk/blog/har-to-jmx-file/Capture a HAR in Chrome and convert it to a JMeter JMX — free in your browser with nothing uploaded, plus what you must fix before it is a real load test.Thu, 30 Apr 2020 00:00:00 GMTtutorialsjmeterharchrometest-recordingcorrelationMarkhttps://martkos-it.co.uk/blog/fiddler-everywhere/https://martkos-it.co.uk/blog/fiddler-everywhere/DevTools cannot see a mobile app, a desktop client or a service calling an API. Fiddler, mitmproxy and JMeter's recorder can.Wed, 29 Apr 2020 00:00:00 GMTtoolsfiddlermitmproxyjmeterharmobilenetwork-analysishttpMarkhttps://martkos-it.co.uk/blog/data-extraction/https://martkos-it.co.uk/blog/data-extraction/A collection of useful regular expressions for data extraction and validation in testing environments, covering emails, dates, passwords, and more.Tue, 28 Apr 2020 00:00:00 GMTtoolsregexregular-expressionsdata-extractionvalidationtestingMarkhttps://martkos-it.co.uk/blog/octoperf/https://martkos-it.co.uk/blog/octoperf/Introduction to Octoperf, a performance testing service built on Apache JMeter, including a guide to using the free tier for load testing.Mon, 27 Apr 2020 00:00:00 GMTperformanceoctoperfload-testingcloudjmeterperformance-testingMarkhttps://martkos-it.co.uk/blog/codes-value/https://martkos-it.co.uk/blog/codes-value/Examining programming language fundamentals within performance testing contexts, covering conditional statements, loops, file operations, and data extraction techniques.Fri, 24 Apr 2020 00:00:00 GMTtutorialsprogrammingscriptingjmeterloadrunnergatlingperformance-testingMarkhttps://martkos-it.co.uk/blog/performance-fundamentals/https://martkos-it.co.uk/blog/performance-fundamentals/Common performance mistakes found on small business websites and how to avoid them, focusing on image optimization, JavaScript efficiency, and CSS best practices.Thu, 23 Apr 2020 00:00:00 GMTperformanceperformanceoptimizationimagesjavascriptcssweb-developmentMarkhttps://martkos-it.co.uk/blog/jmeter-monitoring/https://martkos-it.co.uk/blog/jmeter-monitoring/Learn how to extend Apache JMeter's monitoring capabilities using the PerfMon extension to collect system resources like CPU, Memory, Disk I/O, and Network metrics during performance tests.Wed, 22 Apr 2020 00:00:00 GMTtutorialsjmetermonitoringperfmonperformance-testingmetricsMarkhttps://martkos-it.co.uk/blog/spike-test/https://martkos-it.co.uk/blog/spike-test/How to implement spike testing in performance testing using LoadRunner and Apache JMeter to simulate extreme load increments and evaluate system recovery.Tue, 21 Apr 2020 00:00:00 GMTperformancespike-testingjmeterloadrunnerperformance-testingload-testingMarkhttps://martkos-it.co.uk/blog/loadrunner-developer/https://martkos-it.co.uk/blog/loadrunner-developer/Introduction to Micro Focus's Loadrunner Developer tool for performance testing WebSockets and HTTP/2 using JavaScript SDK with HAR file conversion.Mon, 20 Apr 2020 00:00:00 GMTperformanceloadrunnerperformance-testingjavascripthttp2websocketsMarkhttps://martkos-it.co.uk/blog/loadrunner-to-jmeter/https://martkos-it.co.uk/blog/loadrunner-to-jmeter/A comprehensive guide for transitioning from Loadrunner to JMeter, with functionality mapping between the two performance testing tools.Fri, 17 Apr 2020 00:00:00 GMTtutorialsjmeterloadrunnerperformance-testingmigrationcitrixMarkhttps://martkos-it.co.uk/blog/jmeter-test-fragment/https://martkos-it.co.uk/blog/jmeter-test-fragment/Learn how to use Test Fragments in JMeter to modularize and reuse components throughout a test plan, reducing duplication and improving maintainability.Thu, 16 Apr 2020 00:00:00 GMTtutorialsjmetertest-fragmentsmodularitybest-practicesperformance-testingMarkhttps://martkos-it.co.uk/blog/jmeter-correlation/https://martkos-it.co.uk/blog/jmeter-correlation/Correlation in JMeter: spot dynamic values, extract them with Boundary, Regex or JSON extractors, and prove the run is not silently testing nothing.Tue, 14 Apr 2020 00:00:00 GMTtutorialsjmeterperformance-testingcorrelationregexautomationMarkhttps://martkos-it.co.uk/blog/create-data-with-jmeter/https://martkos-it.co.uk/blog/create-data-with-jmeter/Using Apache JMeter with JSR223 samplers to generate test data including random emails, dates of birth, and strings for performance testing.Mon, 13 Apr 2020 00:00:00 GMTtutorialsjmetertest-datajsr223groovydata-generationMarkhttps://martkos-it.co.uk/blog/supermarket-overload/https://martkos-it.co.uk/blog/supermarket-overload/Examining performance challenges faced by grocery retailers during the COVID-19 pandemic and strategies for handling unexpected traffic surges.Fri, 03 Apr 2020 00:00:00 GMTperformanceperformance-testingscalabilitye-commercecase-studyMarkhttps://martkos-it.co.uk/blog/performance-questions/https://martkos-it.co.uk/blog/performance-questions/One of the keys to performance testing is being able to understand the requirements but also to ask the right questions to bridge any gaps.Thu, 02 Apr 2020 00:00:00 GMTperformanceperformance-testingrequirementsnfrslatesting-strategyMarkhttps://martkos-it.co.uk/blog/jmeter-jtl-files/https://martkos-it.co.uk/blog/jmeter-jtl-files/Open a JMeter .jtl without the GUI — a free in-browser JTL file viewer that uploads nothing, what each column holds, and how to repair a broken file.Tue, 31 Mar 2020 00:00:00 GMTtutorialsjmeterperformance-testingjtlreportingtroubleshootingMarkhttps://martkos-it.co.uk/blog/jenkins-jmeter/https://martkos-it.co.uk/blog/jenkins-jmeter/Learn how to integrate Apache JMeter performance testing with Jenkins through the Performance Plugin for automated test execution and results capture.Mon, 30 Mar 2020 00:00:00 GMTtoolsjenkinsjmeterci-cdautomationperformance-testingMarkhttps://martkos-it.co.uk/blog/jmeter-backend-listeners/https://martkos-it.co.uk/blog/jmeter-backend-listeners/Learn how Apache JMeter backend listeners enable real-time data transmission to external repositories during test execution, including Graphite, InfluxDB, and more.Thu, 26 Mar 2020 00:00:00 GMTtutorialsjmetermonitoringinfluxdbgraphiteperformance-testingbackend-listenersMarkhttps://martkos-it.co.uk/blog/chrome-dev-mode/https://martkos-it.co.uk/blog/chrome-dev-mode/A guide to using Google Chrome's developer tools for web testing and debugging, including monitoring network traffic, filtering requests, and analyzing HTTP headers.Wed, 25 Mar 2020 00:00:00 GMTtoolschromedeveloper-toolsdebuggingnetworkhttpweb-testingMarkhttps://martkos-it.co.uk/blog/jmeter-jdbc/https://martkos-it.co.uk/blog/jmeter-jdbc/Guide to using JDBC samplers in Apache JMeter for sourcing test data from databases instead of CSV files.Tue, 24 Mar 2020 00:00:00 GMTtutorialsjmeterjdbcdatabaseperformance-testingmysqlMarkhttps://martkos-it.co.uk/blog/jmeter-global-properties/https://martkos-it.co.uk/blog/jmeter-global-properties/This article explains how to use Apache JMeter's global variables (properties) to share data across thread groups and create reusable test plans for multiple environments.Mon, 23 Mar 2020 00:00:00 GMTtutorialsjmeterperformance-testingpropertiesconfigurationMarkhttps://martkos-it.co.uk/blog/jmeter-bolt-protocol/https://martkos-it.co.uk/blog/jmeter-bolt-protocol/Learn how to use Apache JMeter's Bolt sampler to execute Cypher queries against Neo4j databases for performance testing graph database procedures.Fri, 20 Mar 2020 00:00:00 GMTtutorialsjmeterneo4jboltcypherperformance-testingMarkhttps://martkos-it.co.uk/blog/git-and-jmeter/https://martkos-it.co.uk/blog/git-and-jmeter/Learn how to implement version control for Apache JMeter test assets using Git for tracking changes to JMX, CSV, and JTL files.Thu, 19 Mar 2020 00:00:00 GMTtutorialsjmetergitversion-controltestingbest-practicesMarkhttps://martkos-it.co.uk/blog/jmeter-rabbitmq/https://martkos-it.co.uk/blog/jmeter-rabbitmq/Learn how to use Apache JMeter to interact with RabbitMQ message queues using the AMQP protocol for performance testing message-based applications.Wed, 18 Mar 2020 00:00:00 GMTtutorialsjmeterrabbitmqamqpmessage-queueperformance-testingMarkhttps://martkos-it.co.uk/blog/remote-working/https://martkos-it.co.uk/blog/remote-working/A guide to essential tools for remote work, including remote control software, video conferencing, file sharing, and collaboration platforms.Tue, 17 Mar 2020 00:00:00 GMTtoolsremote-worktoolsproductivitycollaborationvideo-conferencingMarkhttps://martkos-it.co.uk/blog/powershell-commands/https://martkos-it.co.uk/blog/powershell-commands/Windows PowerShell provides powerful tools for manipulating test data similarly to Linux command-line utilities.Mon, 16 Mar 2020 00:00:00 GMTtoolspowershellwindowsscriptingcommand-lineMarkhttps://martkos-it.co.uk/blog/performance-journey/https://martkos-it.co.uk/blog/performance-journey/A methodical approach to performance testing, walking through requirements gathering, test asset creation, execution, and reporting for new APIs.Wed, 11 Mar 2020 00:00:00 GMTperformanceperformance-testingmethodologyapi-testingjmeterMarkhttps://martkos-it.co.uk/blog/scheduling-tests/https://martkos-it.co.uk/blog/scheduling-tests/Explore methods for scheduling test execution across different operating systems in performance testing contexts, including Linux and Windows approaches.Tue, 10 Mar 2020 00:00:00 GMTtoolsschedulingautomationjmeterlinuxwindowsjenkinsMarkhttps://martkos-it.co.uk/blog/docker-and-jmeter/https://martkos-it.co.uk/blog/docker-and-jmeter/Why a bare JMeter Docker image is not enough for CI — the plugins, JDBC drivers and protocol jars have to be in the image. How to run JMeter in Docker properly, what a complete image contains, and when a pre-built multi-tool image is worth paying for.Mon, 09 Mar 2020 00:00:00 GMTtutorialsdockerjmeterperformance-testingcontainersci-cddistributed-testingMarkhttps://martkos-it.co.uk/blog/taurus-and-jmeter/https://martkos-it.co.uk/blog/taurus-and-jmeter/Introduction to Taurus, an automation framework designed to streamline performance and functional testing with JMeter and other testing utilities.Thu, 05 Mar 2020 00:00:00 GMTtoolstaurusjmeterautomationyamlperformance-testingblazemeterMarkhttps://martkos-it.co.uk/blog/sitespeedio/https://martkos-it.co.uk/blog/sitespeedio/Explore sitespeed.io, a performance testing tool that focuses on browser-side metrics for understanding user experience across different devices and browsers.Wed, 04 Mar 2020 00:00:00 GMTperformancesitespeedperformance-testingbrowserdockerweb-performanceMarkhttps://martkos-it.co.uk/blog/loadrunner-standards/https://martkos-it.co.uk/blog/loadrunner-standards/A comprehensive guide to standardizing LoadRunner performance testing processes, including naming conventions, directory structures, and change control lifecycles.Tue, 03 Mar 2020 00:00:00 GMTperformanceloadrunnerperformance-testingstandardsbest-practicesMarkhttps://martkos-it.co.uk/blog/docker-compose/https://martkos-it.co.uk/blog/docker-compose/Learn how to use Docker Compose to define and run multi-container Docker applications. This tutorial demonstrates setting up InfluxDB and Grafana containers with automatic startup.Mon, 02 Mar 2020 00:00:00 GMTtoolsdockerdocker-composeinfluxdbgrafanacontainersdevopsMarkhttps://martkos-it.co.uk/blog/jmeter-write-full-response-messages-to-file/https://martkos-it.co.uk/blog/jmeter-write-full-response-messages-to-file/Use a JSR223 sampler and Groovy to write full HTTP response bodies, headers and status codes to a file in JMeter.Mon, 24 Feb 2020 00:00:00 GMTtutorialsjmetergroovyloggingdebuggingperformance-testingMarkhttps://martkos-it.co.uk/blog/the-importance-of-performance-testing/https://martkos-it.co.uk/blog/the-importance-of-performance-testing/Why performance testing is essential for business success and how neglecting it can lead to catastrophic failures during high-traffic events.Sat, 08 Feb 2020 00:00:00 GMTperformanceperformance-testingload-testingbest-practicesinfrastructureMarkhttps://martkos-it.co.uk/blog/non-functional-requirements/https://martkos-it.co.uk/blog/non-functional-requirements/Understanding non-functional requirements (NFRs) in software testing, covering types, measurement, and business impact for effective quality assurance.Fri, 07 Feb 2020 00:00:00 GMTperformancenfrrequirementstestingslaquality-assuranceMarkhttps://martkos-it.co.uk/blog/rancher-os/https://martkos-it.co.uk/blog/rancher-os/A lightweight container operating system designed to run Docker without unnecessary libraries and services, eliminating the need for a full underlying operating system.Thu, 06 Feb 2020 00:00:00 GMTtoolsdockerranchervirtualboxcontainerslinuxMarkhttps://martkos-it.co.uk/blog/linux-data-manipulation/https://martkos-it.co.uk/blog/linux-data-manipulation/Essential Linux commands for file creation and manipulation, including seq, rev, for loops, sed, and split for handling large data files.Wed, 05 Feb 2020 00:00:00 GMTtoolslinuxbashscriptingdata-manipulationcommand-lineMarkhttps://martkos-it.co.uk/blog/never-give-in/https://martkos-it.co.uk/blog/never-give-in/Reflections on persistence in performance testing and problem-solving, with practical approaches to overcoming seemingly insurmountable challenges.Tue, 04 Feb 2020 00:00:00 GMTperformancemindsetproblem-solvingperformance-testingdebuggingMarkhttps://martkos-it.co.uk/blog/wiremock/https://martkos-it.co.uk/blog/wiremock/A guide to using Wiremock for creating mock servers during early-stage performance testing when full end-to-end environments are not available.Mon, 03 Feb 2020 00:00:00 GMTtoolswiremockmockingapiperformance-testingjavaMarkhttps://martkos-it.co.uk/blog/blurring-the-lines/https://martkos-it.co.uk/blog/blurring-the-lines/Exploring how testing roles have evolved in the software industry, from highly specialized positions to modern multi-skilled approaches.Sun, 02 Feb 2020 00:00:00 GMTindustrytestingcareerperformance-testingqaindustry-trendsMarkhttps://martkos-it.co.uk/blog/linux-tools/https://martkos-it.co.uk/blog/linux-tools/Essential Linux command-line utilities for data manipulation and performance testing, including grep, sed, awk, cut, paste, and strings.Sat, 01 Feb 2020 00:00:00 GMTtoolslinuxbashcommand-linedata-manipulationperformance-testingMark