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}</script><meta name="generator" content="Hexo 8.0.0"></head><body><div class="page" id="body-wrap"><header class="full_page" id="page-header"><nav id="nav"><span id="blog-info"><a class="nav-site-title" href="/"><span class="site-name">Welcome to my blog!</span></a></span><div id="menus"></div></nav><div id="site-info"><h1 id="site-title">Welcome to my blog!</h1></div><div id="scroll-down"><i class="fas fa-angle-down scroll-down-effects"></i></div></header><main class="layout" id="content-inner"><div class="recent-posts nc" id="recent-posts"><div class="recent-post-items"><div class="recent-post-item"><div class="recent-post-info no-cover"><a class="article-title" href="/2026/05/13/%E4%BB%8E%E7%9B%91%E6%8E%A7%E5%88%B0%E5%8F%AF%E8%A7%82%E6%B5%8B%E6%80%A7/" title="从监控到可观测性">从监控到可观测性</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2026-05-13T14:30:00.000Z" title="发表于 2026-05-13 22:30:00">2026-05-13</time></span><span class="article-meta"><span class="article-meta-separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/Java/">Java</a><i class="fas fa-angle-right article-meta-link"></i><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/Java/%E6%9E%B6%E6%9E%84/">架构</a></span></div><div class="content">“可观测性”火了这几年，说到底跟监控的区别就一句话： 监控是你知道要看什么，可观测性是出了你没想到的问题时，你还能找到答案。 前者给你确定性的安全感，后者让你有能力处理不确定的故障。两者不在一个维度上。 三大件里，Metrics、Logging、Tracing，不用一上来全上。我的建议是：先把 Metrics 搞好。 日志你本来就有，问题不是没有日志，是有效的太少。Tracing 等你真的被分布式问题搞痛再说。但 Metrics 不行，CPU、内存、QPS、延迟不看，就真的瞎了。 为什么选 Actuator + Prometheus + Grafana？因为在 Java 生态里，这是标准答案感最强的组合。 Actuator 是 Spring 官方给应用装的探头。JVM、HTTP、线程池、数据源全部暴露出来，不需要你写采集代码。它底下是 Micrometer，类似 SLF4J，今天接 Prometheus，改天公司要上 Datadog，换后面那层就行，应用代码不用动。这个设计的价值是：你做的配置工作不会绑定到某个特定平台。 Prometheus 有意思在它是拉数据，不是等应用推...</div></div></div><div class="recent-post-item"><div class="recent-post-info no-cover"><a class="article-title" href="/2026/04/03/Gradle-Kotlin-DSL-%E6%9E%84%E5%BB%BA-Java-%E9%A1%B9%E7%9B%AE%E5%AE%9E%E6%88%98%E6%8C%87%E5%8D%97/" title="Gradle Kotlin DSL 构建 Java 项目实战指南">Gradle Kotlin DSL 构建 Java 项目实战指南</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2026-04-03T02:29:16.000Z" title="发表于 2026-04-03 10:29:16">2026-04-03</time></span><span class="article-meta"><span class="article-meta-separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/Java/">Java</a><i class="fas fa-angle-right article-meta-link"></i><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/Java/%E6%9E%B6%E6%9E%84/">架构</a></span></div><div class="content">为什么选择 Gradle Kotlin DSL传统的 Gradle 构建脚本使用 Groovy 编写（build.gradle），虽然灵活，但缺少 IDE 的类型检查和代码补全支持。Gradle Kotlin DSL（build.gradle.kts）用 Kotlin 语言替代 Groovy，带来以下优势： 类型安全：编译期就能发现配置错误 IDE 支持：IntelliJ IDEA 对 Kotlin DSL 提供完整的代码补全和跳转 更好的重构能力：重命名、提取变量等操作一应俱全 如果你是 Java 开发者，不需要会 Kotlin，掌握几个基础语法就能上手。 创建项目方式一：命令行初始化12mkdir my-project && cd my-projectgradle init 选择 Application → Java → Kotlin 作为 DSL 语言，会自动生成基础项目结构。 方式二：Spring Initializr访问 https://start.spring.io ，选择 Gradle - Kotlin 作为构建工具，生成项目即可。 项目结构1...</div></div></div></div></div><div class="aside-content" id="aside-content"><div class="card-widget card-info text-center"><div class="avatar-img"><img src="/img/avatar.jpg" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="author-info-name">mrzhong</div><div class="author-info-description"></div><div class="site-data"><a href="/archives/"><div class="headline">文章</div><div class="length-num">2</div></a><a href="/tags/"><div class="headline">标签</div><div class="length-num">9</div></a><a href="/categories/"><div class="headline">分类</div><div class="length-num">2</div></a></div><a id="card-info-btn" target="_blank" rel="noopener" href="https://github.com/xxxxxx"><i class="fab fa-github"></i><span>Follow Me</span></a></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn fa-shake"></i><span>公告</span></div><div class="announcement_content">This is my Blog</div></div><div class="sticky_layout"><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2026/05/13/%E4%BB%8E%E7%9B%91%E6%8E%A7%E5%88%B0%E5%8F%AF%E8%A7%82%E6%B5%8B%E6%80%A7/" title="从监控到可观测性">从监控到可观测性</a><time datetime="2026-05-13T14:30:00.000Z" title="发表于 2026-05-13 22:30:00">2026-05-13</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2026/04/03/Gradle-Kotlin-DSL-%E6%9E%84%E5%BB%BA-Java-%E9%A1%B9%E7%9B%AE%E5%AE%9E%E6%88%98%E6%8C%87%E5%8D%97/" title="Gradle Kotlin DSL 构建 Java 项目实战指南">Gradle Kotlin DSL 构建 Java 项目实战指南</a><time datetime="2026-04-03T02:29:16.000Z" title="发表于 2026-04-03 10:29:16">2026-04-03</time></div></div></div></div><div class="card-widget card-categories"><div class="item-headline">
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