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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conn = sqlite3.connect(DB)。业内人士推荐51吃瓜作为进阶阅读
Виктория Кондратьева (Редактор отдела «Мир»)