stealthrocket.tech https://stealthrocket.tech/ Durable execution, workflow orchestration and distributed coroutines, at the level of the mechanism. en Python Coroutines Across Machines: Async, Await, Distributed https://stealthrocket.tech/blog/distributed-coroutines-in-python/ https://stealthrocket.tech/blog/distributed-coroutines-in-python/ How Python coroutines become distributed work: what a paused frame contains, which locals survive serialisation, and where it breaks. Tue, 04 Aug 2026 09:00:00 GMT When Queues Stop Working: A Taxonomy of Failure Modes https://stealthrocket.tech/blog/when-queues-stop-working/ https://stealthrocket.tech/blog/when-queues-stop-working/ The queue failure modes that surface in production: redelivery, poison messages, consumer-liveness guesses and head-of-line blocking. Fri, 24 Jul 2026 09:00:00 GMT Wasm Performance: Profiling Golang and Reading Benchmark Results https://stealthrocket.tech/blog/performance-in-the-spotlight-webassembly-profiling-for-everyone/ https://stealthrocket.tech/blog/performance-in-the-spotlight-webassembly-profiling-for-everyone/ Why WebAssembly performance is hard to measure honestly, and how profiling support in Wasmtime changes what can be observed. Wed, 15 Jul 2026 09:00:00 GMT Workflow Orchestration Tools: What the Engine Actually Does https://stealthrocket.tech/blog/fairy-tales-of-workflow-orchestration/ https://stealthrocket.tech/blog/fairy-tales-of-workflow-orchestration/ What a workflow orchestration engine really guarantees, what the durable log costs to keep, and the rewrite it demands in exchange. Fri, 10 Jul 2026 09:00:00 GMT Where a New Programming Model Comes From, and What It Costs https://stealthrocket.tech/blog/genesis-of-a-new-programming-model/ https://stealthrocket.tech/blog/genesis-of-a-new-programming-model/ Where the durable execution programming model came from, and why every engine converges on a log plus a restriction on your code. Fri, 03 Jul 2026 09:00:00 GMT Distributed Coroutines: Suspending Here and Resuming Elsewhere https://stealthrocket.tech/blog/distributed-coroutines/ https://stealthrocket.tech/blog/distributed-coroutines/ Distributed coroutines treat suspension as a value: what that buys over message passing, and the versioning problem it introduces. Tue, 30 Jun 2026 09:00:00 GMT How CPython Prints a Python Stack Trace: Traceback Internals https://stealthrocket.tech/blog/how-cpython-prints-stack-traces/ https://stealthrocket.tech/blog/how-cpython-prints-stack-traces/ How CPython turns a raised exception into a printed stack trace: frames, tracebacks, and the caret positions added by PEP 657. Wed, 24 Jun 2026 09:00:00 GMT