Other teams at Discord have derived enormous value from utilizing distributed tracing (a.k.a. Application Performance Monitoring), which allows them to see how long the constituent parts of an operation took. Adding tracing to our Elixir stack took a bit of work, though. Most tracing tools work by passing information about the operation via metadata layers like HTTP headers, but Elixir’s built-in communication tools don’t have an equivalent layer out of the box.
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，这一点在WPS官方版本下载中也有详细论述
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Полина Кислицына (Редактор)
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