Observability for WebAssembly with Node.js

2023/08/29

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The article discusses the importance of observability in WebAssembly (Wasm) and introduces the Observability SDKs for Wasm provided by Dylibso. These SDKs enable developers to capture and emit telemetry data from Wasm code, including function execution and memory allocation traces, logs, and metrics. The article highlights that the Observe SDK Adapters make it easy to send Wasm telemetry to various platforms, whether it's a managed platform like Datadog or a self-hosted solution like Zipkin. The article also mentions the GitHub repository that contains the Runtime SDKs and Adapters necessary for live profiling, tracing, logs, and metrics. It explains the two steps involved in using the Observe SDK: adding an Adapter to the application and instrumenting the code. The article provides information on how to choose the appropriate Adapter for the platform and language used and offers automatic instrumentation tools for function and memory allocation tracing. Overall, the article emphasizes the significance of observability in WebAssembly and provides developers with the necessary tools to monitor and analyze their Wasm code.