Great Expectations Data Validation
Best for Automates testing with cross-browser coverage and synthetic monitoring.
When not When you need manual testing or security assessments.
Great Expectations is an open Python library for data quality testing and documentation. Write expectations declaratively (expect table to have 1M rows, column X in range 0-100). GX automatically tests incoming data and blocks pipelines if quality degrades. Profiles generate expectations from sample data. Cloud version adds UI for expectation management and anomaly alerts. Backed by Accel Partners.
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wrk is a modern HTTP load testing tool written in C. Lightweight and fast. Lua scripting for custom requests. 50K+ requests per second per core. Ideal for API testing.
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