QA Automation1 min read
Selenium Grid Migration Lessons From a Logistics Platform
By Priyatham Rama Sai
Self-hosted grid instability traced to mismatched browser drivers and starving nodes under parallel load. Moving test data generation out of browsers and pooling sessions cut session drops more than scaling VMs blindly.
Infra realities
Browser matrix decisions belong next to capacity planning — ‘run everything everywhere’ bankrupts grid budget.
Session hygiene
Logout and clear storage patterns differ from real users — scripts that assume pristine state hide integration bugs until production.
Exit ramps
Parallel adoption of Playwright for new suites while maintaining Selenium for legacy flows worked better than freezing development for a risky big-bang rewrite.