A subtle data race in Go
Read OriginalThis technical article details a subtle data race discovered in a Go web server's rate-limiting middleware. The author explains how a seemingly innocent parameter reassignment within a handler closure can cause a data race when the middleware is used concurrently. The post includes the original buggy code, symptoms, the fix, and a full explanation of the underlying concurrency issue, concluding with recommendations for avoiding similar pitfalls in Go.
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