4h ago · 3 min read · I'm Tushar, a DevOps Engineer from Punjab, India. This blog is my Learn in Public journey where I openly document my open-source contributions, real-world DevOps challenges, and the lessons I learn al
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17h ago · 9 min read · gRPC interceptors are the middleware pattern, specialized for gRPC. If you've written HTTP middleware before, the shape is familiar — a function that wraps a call, can observe or modify the request, pass to the next handler, then observe or modify th...
Join discussion18h ago · 8 min read · Go 1.18 shipped generics in March 2022. The two years before that were dominated by hopeful blog posts ("finally, a real type system!") and the two years after by the predictable backlash ("why did we even bother, Go was simpler"). I've written produ...
Join discussion18h ago · 7 min read · Go's performance culture has a ritual quality. "Use sync.Pool." "Avoid interface boxing." "Preallocate slices." Copy-pasted from blog posts and applied without measurement. Sometimes helpful. Often hollow. The honest answer is that Go performance wor...
Join discussion18h ago · 7 min read · sync.Pool is one of those Go features that shows up prominently in "how to write fast Go" blog posts and then gets applied to everything. The result is a codebase sprinkled with pools that don't help and sometimes hurt. Most Go code I review does not...
Join discussion18h ago · 9 min read · In the last post I walked through the four concurrency pillars — shared memory + locks, CSP, actors, STM — and argued that real systems mix them on purpose. Someone reasonably asked: okay, but what does that actually look like? Fair question. Abstrac...
Join discussion1d ago · 7 min read · sync.Pool is one of those Go features that shows up prominently in "how to write fast Go" blog posts and then gets applied to everything. The result is a codebase sprinkled with pools that don't help and sometimes hurt. Most Go code I review does not...
Join discussion1d ago · 9 min read · In the last post I walked through the four concurrency pillars — shared memory + locks, CSP, actors, STM — and argued that real systems mix them on purpose. Someone reasonably asked: okay, but what does that actually look like? Fair question. Abstrac...
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