importantSYS.SOURCE: Farid Zakaria’s Blog• 2026-07-29T11:42:04Z

Data Visualization Techniques for Debugging Latency Issues in Web Services

#data visualization #latency analysis #cache performance

The article demonstrates how relying on average metrics can obscure critical performance issues, emphasizing the importance of data visualization techniques like cumulative distribution functions (CDFs) to reveal hidden patterns in latency data. It shows how bimodal distributions and shift functions can uncover the true impact of system changes, such as cache tier rollouts, that summary statistics fail to capture.

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