{"id":8826317,"name":"github.com/sourcegraph/apptrace","ecosystem":"go","description":"Package appdash provides a Go app performance tracing suite.\n\nAppdash allows you to trace the end-to-end performance of hierarchically\nstructured applications. You can, for example, measure the time and see the\ndetailed information of each HTTP request and SQL query made by an entire\ndistributed web application.\n\nThe cmd/appdash tool launches a web front-end which displays a web UI for\nviewing collected app traces. It is effectively a remote collector which your\napplication can connect and send events to.\n\nTiming and application-specific metadata information can be viewed in a nice\ntimeline view for each span (e.g. HTTP request) and it's children.\n\nThe web front-end can also be embedded in your own Go HTTP server by\nutilizing the traceapp sub-package, which is effectively what cmd/appdash\nserves internally.\n\nSub-packages for HTTP and SQL event tracing are provided for use with\nappdash, which allows it to function equivalently to Google's Dapper and\nTwitter's Zipkin performance tracing suites.\n\nThe most high-level structure is a Trace, which represents the performance\nof an application from start to finish (in an HTTP application, for example,\nthe loading of a web page).\n\nA Trace is a tree structure that is made up of several spans, which are just\nIDs (in an HTTP application, these ID's are passed through the stack via\na few special headers).\n\nEach span ID has a set of Events that directly correspond to it inside a\nCollector. 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