pg-workload is an open-source Python package and CLI tool that emulates realistic PostgreSQL backend activity. It generates diverse workload plans, captures logs, and produces runtime statistics useful for performance testing, diagnostics, and observability. It is designed for DBAs and developers who need to simulate production-like database loads.
pg-workload is a Developer Tools product. It focuses on emulating realistic and varied PostgreSQL workloads for testing, benchmarking, and observability without manual query scripting. pg-workload is an open-source project aimed at database administrators. The project is open source (MIT). It runs on the command line.
Behind pg-workload is O2eg, and the product first shipped in 2026. The project is developed in the open on GitHub with 3 commits in the last 90 days. Among its 4 catalogued features are Workload Emulation, Runtime Statistics, and Query Logging.
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