Our Journey Away From Jenkins and Into Harness CI

Harness transitioned from Jenkins to its proprietary Continuous Integration (CI) solution, significantly enhancing developer efficiency by eliminating frequent outages and managing over 100,000 builds effectively. The migration addressed common Jenkins pain points, such as master management issues and lack of container-native features, by incorporating modern functionalities like Docker-based architecture and Test Intelligence. This new CI tool, Harness CI, not only resolved these issues but also introduced innovative features such as intelligent test selection, which reduced test cycle times by 25% and led to substantial infrastructure cost savings. The migration process included a phased approach with gap analysis and focused on critical pipelines, ensuring a smooth transition without major disruptions. The successful deployment of Harness CI reduced developer frustration and improved productivity, as it streamlined onboarding processes and eliminated Jenkins-related maintenance burdens.