Nilesh Jagnik
Software engineer with a passion for building efficient computing pipelines. Currently focusing on building ML batch/live inference systems.
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Continuous Integration (CI) is an essential software development practice that establishes processes to minimize bugs and errors in production. In a similar vein, experimentation of software products is vital for evaluating user satisfaction, quality, performance and other key business metrics. Experimentation allows product owners to evaluate the user impact of changes. This can help make informed decisions regarding feature launches. Experimentation also allows developers to tweak internal processes and algorithms to maximize the impact of new features and changes. Additionally, it can sometimes detect errors not detected by CI.
Unlike CI systems, experimentation platforms are meant to closely imitate production and usually run the system under test (SUT) against a large scale of input. Despite this, experimentation platforms have a lot in common with CI systems. The mechanisms for continuously integrating and testing changes can be modified and applied to experimentation platforms.
Google Search's experimentation platform started as a command line tool many years ago. Over time, this tool has evolved into a platform that serves the evaluation needs for many of Google's products like Search, Assistant, YouTube, Play, Lens, etc., running thousands of large experiments every day.
In this workshop, we will present the evolution of Google Search's experimentation platform and how it was transformed from a simple CLI tool into a platform that works at scale, fulfills continuous experimentation needs and provides many CI-like functionalities to its users.
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