<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Span on PlumePHP</title><link>https://plumephp.com/tags/span/</link><description>Recent content in Span on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Thu, 13 Aug 2026 11:50:00 +0800</lastBuildDate><atom:link href="https://plumephp.com/tags/span/index.xml" rel="self" type="application/rss+xml"/><item><title>分布式追踪实战：Jaeger、Tempo 与采样策略</title><link>https://plumephp.com/distributed-tracing-jaeger-tempo/</link><pubDate>Thu, 13 Aug 2026 11:50:00 +0800</pubDate><guid>https://plumephp.com/distributed-tracing-jaeger-tempo/</guid><description>&lt;blockquote&gt;
&lt;p&gt;&lt;strong&gt;分布式追踪是微服务架构的「X光机」。&lt;/strong&gt; 当一次用户请求拆分成 50 个服务调用、经过 3 个消息队列、访问 5 个数据库时，没有追踪你就只能盲人摸象。追踪让你看到完整的请求路径、精确到微秒的延迟分布、以及跨服务边界的数据流。&lt;/p&gt;</description></item></channel></rss>