Signals and Threads cover image

Swapping the Engine Out of a Moving Race Car with Ella Ehrlich

Signals and Threads

CHAPTER

What Is Gourd and How Does It Fit Into Jane Street?

Gourd is a system that takes in all the trading data of our firm's activity. It normalizes it and then distributes it as a service within the firm. Our busiest days tend to blow our previous busiest day out of the water by large margins. We need to be always thinking about how much overhead do we have? And what's like the rough multiplier between a regular day and the day of a year? I've heard similar things that feel like being a game developer is a little bit like being a violinist.

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