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8.00008L0.292969 14.293L1.70718 15.7072L8.00008 9.41429L14.293 15.7072L15.7072 14.293L9.41429 8.00008L15.7072 1.70718L14.293 0.292969L8.00008 6.58586L1.70718 0.292969L0.292969 1.70718L6.58586 8.00008Z"/></svg></button><div class="Dropdown_DropdownSections__G_B5O"><div class="Items_Section__vJ9lm Items_spotlight-feature___wj__"><div class="&#10; Card_nav-card__Gb2bd&#10; Card_ghost-card__kC3tT&#10; &#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/generative-ai"><h2 class="h5">生成式 AI</h2></a><a class="Card_custom-link__semnr" href="/generative-ai"/><a class="Card_custom-link__semnr" href="/generative-ai"/><a class="Card_custom-link__semnr" href="/generative-ai"/><a class="Card_custom-link__semnr" href="/generative-ai"/></div><div class="Card_card-body__81rqO"><div><p>使用搜索 AI 更快地构建原型并与 LLM 集成。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/cloud/serverless/search-ai-lake" tabindex="-1">Search AI Lake<svg width="27" height="14" 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Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/generative-ai" tabindex="-1"><span class="jsx-1596590093 btn-copy">生成式 AI 概述 </span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div></div><div class="Items_Section__vJ9lm Items_grid-column__BSkh1"><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/enterprise-search"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt549f7d977c2a88f4/5d082d34616162aa5a85707d/logo-enterprise-search-32-color.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div></a><a class="Card_custom-link__semnr" href="/enterprise-search"><h2 class="h5">Search</h2></a><a class="Card_custom-link__semnr" href="/enterprise-search"/><a class="Card_custom-link__semnr" href="/enterprise-search"/><a class="Card_custom-link__semnr" href="/enterprise-search"/><a class="Card_custom-link__semnr" href="/enterprise-search"/></div><div class="Card_card-body__81rqO"><div><p>借助搜索的力量，探索人工智能的无限可能。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/elasticsearch/vector-database" tabindex="-1">矢量数据库<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/enterprise-search/relevance" tabindex="-1">相关度<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/enterprise-search/search-applications" 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Search<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/enterprise-search/customer-support" tabindex="-1">客户支持<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul><hr class="Card_nav-divider__yt_19"/><ul><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/search-labs" tabindex="-1">搜索实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div><div class="Card_card-footer__OfpS8"><div class="d-flex flex-column"><a class="button Card_dropdown-link__qZWTu Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/enterprise-search" tabindex="-1"><span class="jsx-1596590093 btn-copy">搜索概述</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/security"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/bltf58b7c8e04706979/5e20f1a8132ead1155e8d0a4/logo-security-32-color.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div></a><a class="Card_custom-link__semnr" href="/security"><h2 class="h5">安全性</h2></a><a class="Card_custom-link__semnr" href="/security"/><a class="Card_custom-link__semnr" href="/security"/><a class="Card_custom-link__semnr" href="/security"/><a class="Card_custom-link__semnr" href="/security"/></div><div class="Card_card-body__81rqO"><div><p>通过 AI 驱动的安全分析保护、调查和应对网络威胁。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/security/siem" tabindex="-1">SIEM<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/security/ai" tabindex="-1">面向 SOC 的 AI<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/security/cyber-threat-research" tabindex="-1">威胁研究<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul><hr class="Card_nav-divider__yt_19"/><ul><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/security-labs" tabindex="-1">安全实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div><div class="Card_card-footer__OfpS8"><div class="d-flex flex-column"><a class="button Card_dropdown-link__qZWTu Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/security" tabindex="-1"><span class="jsx-1596590093 btn-copy">安全性概述</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/observability"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/bltbf6ba0d0e0e1e5ab/5e20f19a2aa8e40a75136318/logo-observability-32-color.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div></a><a class="Card_custom-link__semnr" href="/observability"><h2 class="h5">可观测性</h2></a><a class="Card_custom-link__semnr" href="/observability"/><a class="Card_custom-link__semnr" href="/observability"/><a class="Card_custom-link__semnr" href="/observability"/><a class="Card_custom-link__semnr" href="/observability"/></div><div class="Card_card-body__81rqO"><div><p>一体化实现应用和基础架构可见性，主动解决问题。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/observability/log-monitoring" tabindex="-1">日志监测和分析<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/opentelemetry" tabindex="-1">OpenTelemetry<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/application-performance-monitoring" tabindex="-1">应用程序性能监测<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/infrastructure-monitoring" tabindex="-1">基础架构监测<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/synthetic-monitoring" tabindex="-1">合成监测<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/real-user-monitoring" tabindex="-1">真实用户监测<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/universal-profiling" tabindex="-1">Universal Profiling<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/observability/aiops" tabindex="-1">AIOps<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul><hr class="Card_nav-divider__yt_19"/><ul><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/observability-labs" tabindex="-1">可观测性实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div><div class="Card_card-footer__OfpS8"><div class="d-flex flex-column"><a class="button Card_dropdown-link__qZWTu Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/observability" tabindex="-1"><span class="jsx-1596590093 btn-copy">可观测性概述</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div></div></div></div></div></div><div><button class="Items_navigation-items_item__7YSef navigation-item" aria-label="我们的客户, press down to open menu." aria-expanded="false">我们的客户<svg class="icons_icon__n3nWe" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewbox="0 0 16 16"><path fill-rule="evenodd" d="M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"/></svg></button><div class="Dropdown_Dropdown__pUJPf "><div class="Dropdown_DropdownContent__tGePQ"><button class="Dropdown_DropdownClose__wx62b" disabled=""><span class="Dropdown_DropdownClose_text__IoOgP">Close panel</span><svg class="icons_icon__n3nWe" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none"><path fill-rule="evenodd" clip-rule="evenodd" d="M6.58586 8.00008L0.292969 14.293L1.70718 15.7072L8.00008 9.41429L14.293 15.7072L15.7072 14.293L9.41429 8.00008L15.7072 1.70718L14.293 0.292969L8.00008 6.58586L1.70718 0.292969L0.292969 1.70718L6.58586 8.00008Z"/></svg></button><div class="Dropdown_DropdownSections__G_B5O"><div class="Items_Section__vJ9lm"><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/customers"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/bltacc5e178e52f430e/647ccc7b6be35fb5eabd2100/icon-checkmark-decorative-border.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div></a><a class="Card_custom-link__semnr" href="/customers"><h2 class="h5">按解决方案</h2></a><a class="Card_custom-link__semnr" href="/customers"/><a class="Card_custom-link__semnr" href="/customers"/></div><div class="Card_card-body__81rqO"><div><p>了解客户如何只需一个 AI 搜索平台，即可进行搜索、解决问题并取得成功。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/customers/success-stories?usecase=enterprise-search&amp;industry=All" tabindex="-1">Search<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/customers/success-stories?usecase=security-analytics&amp;industry=All" tabindex="-1">安全性<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/customers/success-stories?usecase=elastic-observability&amp;industry=All" tabindex="-1">可观测性<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div><div class="Card_card-footer__OfpS8"><div class="d-flex flex-column"><a class="button Card_dropdown-link__qZWTu Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/customers" tabindex="-1"><span class="jsx-1596590093 btn-copy">所有客户案例</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><a class="Card_custom-link__semnr" href="/industries"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt9f634b6f74878698/647ccc625637890f19859454/icon-briefcase.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div></a><a class="Card_custom-link__semnr" href="/industries"><h2 class="h5">行业</h2></a><a class="Card_custom-link__semnr" href="/industries"/><a class="Card_custom-link__semnr" href="/industries"/></div><div class="Card_card-body__81rqO"><div><p>超越客户期望并更快地进入市场。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/industries/public-sector" tabindex="-1">公共领域<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/industries/financial-services" tabindex="-1">金融服务<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/industries/telecommunications" tabindex="-1">电信<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/industries/retail-ecommerce" tabindex="-1">零售<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="/industries/manufacturing" tabindex="-1">制造业<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div><div class="Card_card-footer__OfpS8"><div class="d-flex flex-column"><a class="button Card_dropdown-link__qZWTu Card_dropdown-link__spaced___Q1m0 Card_btn-tertiary__f8UEk btn-tertiary" href="/industries" tabindex="-1"><span class="jsx-1596590093 btn-copy">行业概述</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div></div><div class="Items_Section__vJ9lm Items_spotlight-feature___wj__"><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; &#10; undefined&#10; "><div class="Card_card-header__dLhyK"><h2 class="Card_topic-heading___KyPp">客户聚焦</h2></div><div><div class="Spotlight_spotlight-card__Qi_WV"><div class="Spotlight_card-image__4S6cS"><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt652fec920f2b1a14/650c1d87aa86c13fa1cc288c/logo-nav-dropdown-48x48-cisco.svg" alt="" class=""/></div><div class="Spotlight_card-body___rb9E"><p>Cisco 每月节省了 5,000 小时的支持工程师时间</p><a class="button Spotlight_stretched-link__2M98R btn-tertiary" href="/customers/cisco" tabindex="-1"><span class="jsx-1596590093 btn-copy">了解详情</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div><div class="Spotlight_spotlight-card__Qi_WV"><div class="Spotlight_card-image__4S6cS"><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blte788c0f923f209a3/668c49f5534bb913eb26e9e8/logo-dropdown-48x48-sitecore.svg" alt="" class=""/></div><div class="Spotlight_card-body___rb9E"><p>Sitecore 借助 Elastic 实现了 96% 的安全工作流自动化</p><a class="button Spotlight_stretched-link__2M98R btn-tertiary" href="/customers/sitecore-security" tabindex="-1"><span class="jsx-1596590093 btn-copy">了解详情</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div><div class="Spotlight_spotlight-card__Qi_WV"><div class="Spotlight_card-image__4S6cS"><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt90a52ed02808cbc1/650c1dadb25642d90add1e4e/logo-nav-dropdown-48x48-comcast.svg" alt="" class=""/></div><div class="Spotlight_card-body___rb9E"><p>Comcast 通过 Elastic 可观测性解决方案转变了客户体验</p><a class="button Spotlight_stretched-link__2M98R btn-tertiary" href="/customers/comcast" tabindex="-1"><span class="jsx-1596590093 btn-copy">了解详情</span><svg class="icon-embed" width="27" height="15"><use href="/static-res/images/generic-icons.svg#cta-arrow"/></svg></a></div></div></div></div></div></div></div></div></div><div><button class="Items_navigation-items_item__7YSef navigation-item" aria-label="资源, press down to open menu." aria-expanded="false">资源<svg class="icons_icon__n3nWe" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewbox="0 0 16 16"><path fill-rule="evenodd" d="M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"/></svg></button><div class="Dropdown_Dropdown__pUJPf "><div class="Dropdown_DropdownContent__tGePQ"><button class="Dropdown_DropdownClose__wx62b" disabled=""><span class="Dropdown_DropdownClose_text__IoOgP">Close panel</span><svg class="icons_icon__n3nWe" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none"><path fill-rule="evenodd" clip-rule="evenodd" d="M6.58586 8.00008L0.292969 14.293L1.70718 15.7072L8.00008 9.41429L14.293 15.7072L15.7072 14.293L9.41429 8.00008L15.7072 1.70718L14.293 0.292969L8.00008 6.58586L1.70718 0.292969L0.292969 1.70718L6.58586 8.00008Z"/></svg></button><div class="Dropdown_DropdownSections__G_B5O"><div class="Items_Section__vJ9lm Items_grid-column__BSkh1"><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt96bf0c70d7851e7d/64b6cd8378402d4f9cc28b43/icon-code-self-closing.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div><h2 class="h5">研究</h2></div><div class="Card_card-body__81rqO"><div><p>通过专家提供的技术诀窍，始终站在创新的前沿。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/search-labs" tabindex="-1">搜索实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/security-labs" tabindex="-1">安全实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li><li><a class="Card_dropdown-link__qZWTu" href="https://www.elastic.co/observability-labs" tabindex="-1">可观测性实验室<svg width="27" height="14" viewbox="0 0 27 14" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 7H25" stroke="#0B64DD" stroke-width="2"/><path d="M19 1L25 7L19 13" stroke="#0B64DD" stroke-width="2"/></svg></a></li></ul></div></div><div class="&#10; Card_nav-card__Gb2bd&#10; &#10; Card_icon-card__IEL2U&#10; &#10; "><div class="Card_card-header__dLhyK"><div class="Card_card-image__34JYo"><div class="&#10; Card_icon__VSCRq&#10; &#10; "><img src="https://static-www.elastic.co/v3/assets/bltefdd0b53724fa2ce/blt96bf0c70d7851e7d/64b6cd8378402d4f9cc28b43/icon-code-self-closing.svg" class="Card_img-fluid__EqrlH" alt=""/></div></div><h2 class="h5">构建</h2></div><div class="Card_card-body__81rqO"><div><p>与其他开发人员一起编写代码，共同创建更好的 Elastic。</p></div><ul><li><a class="Card_dropdown-link__qZWTu" href="/community" tabindex="-1">社区<svg width="27" height="14" viewbox="0 0 27 14" fill="none" 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datetime="1594836000000">2020年7月15日</time></span><div class="jsx-1955866259 title-wrapper"><h1 tag="H1" id="kubernetes-可观测性教程：使用-elastic-apm-监测应用程序性能" class="jsx-1955866259 h3">Kubernetes 可观测性教程：使用 Elastic APM 监测应用程序性能</h1></div><div class="jsx-123807844 author-name d-flex my-2 paragraph-medium"><span class="jsx-123807844 mr-1">By</span><div class="jsx-123807844 d-flex flex-wrap"><a href="/cn/blog/author/michael-hyatt">Michael Hyatt</a></div></div><p class="jsx-123807844 share-label mb-1">Share</p><ul class="jsx-3582162638 horizontalLayout social-media"><li title="Share on Twitter" class="jsx-3582162638 social-btn twitter"><a href="#" alt="Share on Twitter"/><span class="jsx-3582162638 sr-only">Share on Twitter</span></li><li title="Share on Facebook" class="jsx-3582162638 social-btn facebook"><a href="#" alt="Share on Facebook"/><span class="jsx-3582162638 sr-only">Share on Facebook</span></li><li title="Share on LinkedIn" class="jsx-3582162638 social-btn linkedin"><a href="#" alt="Share on LinkedIn"/><span class="jsx-3582162638 sr-only">Share on LinkedInr</span></li></ul></div></div></div></div><div class="layout layout-05"/><div class="jsx-123807844 article-post-wrapper blog clearfix paragraph-medium"><div class="jsx-123807844 container"><div class="jsx-123807844 row"><div class="jsx-123807844 col-12 col-lg-9"><div class="jsx-123807844 paragraph-medium"><p>本篇博文是我们 Kubernetes 可观测性教程系列的第三篇，本系列教程将带您探索如何实现对 Kubernetes 中运行的应用程序的全面监测，包括： </p><ul><li><a href="/cn/blog/kubernetes-observability-tutorial-k8s-log-monitoring-and-analysis-elastic-stack">采集和分析日志</a></li><li><a href="/cn/blog/kubernetes-observability-tutorial-k8s-metrics-collection-and-analysis">收集性能和健康指标</a></li><li>使用 Elastic APM 监测应用程序性能</li></ul><p>我们将讨论利用 <a href="/cn/observability">Elastic 可观测性</a>，使用 <a href="/cn/apm">Elastic APM</a> 执行应用程序性能监测（APM）。 </p><table style="background:#ffffd2"><tbody><tr><td>开始前：以下教程需要设置有以下教程需要对 Kubernetes 环境进行设置。我们已经编写一篇<a href="/cn/blog/kubernetes-observability-tutorial-k8s-cluster-setup-demo-app-deployment">补充博文，指导您设置单节点 Minikube 环境和演示应用程序的流程</a>，从而运行其余活动。 </td></tr></tbody></table><h2>应用程序性能监测</h2><p>APM 的重点是自动测量面向用户的关键服务水平指标 (SLI)：请求/响应延迟和面向用户的错误。通过有效监测这些指标，您可以快速锁定导致性能下降或错误增加的组件（甚至是代码块）。APM 提供绝佳的初级分类工具，可以定位造成问题的根本原因，减少平均响应时间 (MTTR)。 </p><h3>Elastic APM 的分布式跟踪</h3><p>Elastic APM 支持分布式跟踪，可以测量参与服务同一用户请求的不同分布式应用程序组件的端到端请求/响应延迟。APM 应用可以展示总跟踪时长以及参与分布式跟踪组件相关延迟的细分信息。让我们前往 Kibana 中的 APM 应用，查看跟踪和事务。<strong>注意：</strong>请务必先在 petclinic 应用中随便单击，生成一些用户流量！ </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt5fd1d450fbd4fd2e/5f0e66f45bbd1b7f3aca7762/blog-k8s-o11y-apm-dist-tracing.png" data-sys-asset-uid="blt5fd1d450fbd4fd2e" alt="Elastic APM 中的分布式跟踪" style="display:block;margin:auto"/></p><h3>日志和指标相关的跟踪</h3><p>在将应用程序部署到 Kubernetes 中时，分布式跟踪和 APM 依然能够显示快速分类问题的优势，同时也能捕获和交叉引用可观测性难题的其他部分：日志和指标。随着对每一部分的掌握了解，通过缩小调查范围至某个使用 APM 的组件，可以开始延迟峰值故障排除，并轻松与某个特定 Kubernetes pod 的 CPU 和内存利用率指标和错误日志条目相关联，所有过程均可在 Kibana 中进行。 </p><p>现在，得益于 <a href="/cn/beats">Beats</a> 中的处理器以及 <a href="/guide/en/apm/agent/index.html">APM 代理</a>收集的元数据，Kibana 中的所有可观测性均可交叉引用。您可以开始查看 APM 跟踪，检查处理该跟踪流程中涉及的 pod 指标，以及查看跟踪处理时，并行组件遗留的日志，一处便可实现所有这些功能。 </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/bltba3e0e79d772afbc/5f0e67ce7523cd1c482b9a02/blog-k8s-o11y-apm-trace-logs.jpg" data-sys-asset-uid="bltba3e0e79d772afbc" alt="有了 Elastic APM，可以便捷实现跟踪和日志数据的关联。" style="display:block;margin:auto"/></p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt1976936445964c90/5f0e68d07523cd1c482b9a06/blog-k8s-o11y-apm-trace-metrics.jpg" data-sys-asset-uid="blt1976936445964c90" alt="快速从 APM 跟踪跳转到 Kibana 中的基础架构指标" style="display:block;margin:auto"/></p><h2>Elastic APM 代理部署</h2><p>APM 代理与其监测的应用程序组件联合部署。有了 Kubernetes，应用程序组件成为了 pod 中运行的代码的一部分。本教程中，我们使用两个代理：APM 真实用户监测 (RUM) JavaScript 代理和 APM Java 代理。 </p><h3>Elastic APM Java 代理</h3><p>这是 APM Java 代理在 petclinic pod 部署描述符 <code>$HOME/k8s-o11y-workshop/petclinic/petclinic.yml</code> 中的初始部分： - name: ELASTIC_APM_SERVER_URLS valueFrom: secretKeyRef: name: apm-secret key: apm-url - name: ELASTIC_APM_SECRET_TOKEN valueFrom: secretKeyRef: name: apm-secret key: apm-token - name: ELASTIC_APM_SERVICE_NAME value: spring-petclinic-monolith - name: ELASTIC_APM_APPLICATION_PACKAGES value: org.springframework.samples </pre><p>APM 代理作为依赖项包含在 petclinic 应用程序的 pom.xml 文件中 <code>$HOME/k8s-o11y-workshop/docker/petclinic/pom.xml</code>： </p><pre class="prettyprint">&lt;!-- Elastic APM dependencies --&gt; &lt;dependency&gt; &lt;groupId&gt;co.elastic.apm&lt;/groupId&gt; &lt;artifactId&gt;apm-agent-attach&lt;/artifactId&gt; &lt;version&gt;${elastic-apm.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;co.elastic.apm&lt;/groupId&gt; &lt;artifactId&gt;apm-agent-api&lt;/artifactId&gt; &lt;version&gt;${elastic-apm.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;co.elastic.apm&lt;/groupId&gt; &lt;artifactId&gt;elastic-apm-agent&lt;/artifactId&gt; &lt;version&gt;${elastic-apm.version}&lt;/version&gt; &lt;/dependency&gt; &lt;!-- End of Elastic APM dependencies --&gt; </pre><p>在 Java 代理中，这种部署方式可作为一个 Maven 依赖项予以添加。还有其他方式部署 APM 代理，例如 Java 代理运行时附件。详细信息请查阅 <a href="/guide/en/apm/agent/java/current/index.html">Elastic APM Java 代理文档</a>。 </p><h3>Elastic APM 真实用户监控 (RUM) 代理</h3><p>RUM 代理作为用户浏览器应用程序的一部分运行，直接从浏览器提供所有面向用户的指标。本次教程中，我们会将其用于此种用途，并会作为分布式跟踪的起点。这是在 Javascript 用户端代码中实例化 APM 代理的情况 <code>$HOME/k8s-o11y-workshop/docker/petclinic/src/main/resources/templates/fragments/layout.html</code>： </p><pre class="prettyprint"> &lt;script th:inline="javascript"&gt; var serverUrl = [[${apmServer}]]; elasticApm.init({ serviceName: 'petclinic-frontend', serverUrl: serverUrl, distributedTracingOrigins: [], pageLoadTransactionName: pageName, active: true, pageLoadTraceId: [[${transaction.traceId}]], pageLoadSpanId: [[${transaction.ensureParentId()}]], pageLoadSampled: [[${transaction.sampled}]], distributedTracing: true, &lt;/script&gt; </pre><p>Petclinic 是服务器端渲染的应用程序，Thymeleaf 是一款结合 Spring Boot 使用的模板渲染框架，因此，它会在控制器 Java 代码中填充一些发送到前端的值。此处示例展示如何填充<code>事务</code>模型属性 <code>$HOME/k8s-o11y-workshop/docker/petclinic/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java</code>： </p><pre class="prettyprint"> @ModelAttribute("transaction") public Transaction transaction() { return ElasticApm.currentTransaction(); </pre><h2>监测错误</h2><p>APM 代理也可以捕获未处理的异常。请尝试在“ERROR”（错误）菜单位置单击，查看 Kibana 中的 APM 应用，获取引发的异常详细信息。 </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt2d18097d5ce76317/5f0e69130d1d2008538cec75/blog-k8s-o11y-apm-spring.jpg" data-sys-asset-uid="blt2d18097d5ce76317" alt="样例应用程序" style="display:block;margin:auto"/></p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt7562f8bec907f224/5f0e692faa5d180163929145/blog-k8s-o11y-apm-errors.png" data-sys-asset-uid="blt7562f8bec907f224" alt="只需单击一次，Elastic APM 便可向您呈现所有的应用程序错误" style="display:block;margin:auto"/></p><p>这是处理 APM 代理如何捕获应用程序引发的未处理异常的 Java 代码。<code>$HOME/k8s-o11y-workshop/docker/petclinic/src/main/java/org/springframework/samples/petclinic/system/CrashController.java</code>： </p><pre class="prettyprint"> @GetMapping("/oups") public String triggerException() { throw new RuntimeException("Expected: controller used to showcase what " + "happens when an exception is thrown"); </pre><h2>监测运行时指标</h2><p>代理与应用程序组件在运行时中同时部署，并收集运行时指标。例如，除了实现指标收集外，Java 代理还可以在投入使用的当下，立即收集上述信息，且无需提供任何代码或配置。 </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blta2b30335aaafbf3e/5f0e695c0d1d2008538cec79/blog-k8s-o11y-apm-runtime-metrics.png" data-sys-asset-uid="blta2b30335aaafbf3e" alt="Elastic APM 中的运行时指标" style="display:block;margin:auto"/></p><h2>服务地图</h2><p><a href="/cn/blog/elastic-apm-7-7-0-released">Elastic APM 7.7</a> 引入了服务地图公测版，一种表示 APM 跟踪中所呈现关系的图表。该视图显示了 APM 应用中所展示跟踪的相关组件。我们的应用程序非常简单，只有一个包含 Java 和 MySQL 后端的浏览器客户端，所以生成的地图也十分简单易懂。 </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt3fa7d4cc3bea35c8/5f0e697591afb901b86d5d8c/blog-k8s-o11y-apm-service-maps.png" data-sys-asset-uid="blt3fa7d4cc3bea35c8" alt="Elastic APM 中的服务地图" style="display:block;margin:auto"/></p><h2>使用 Elastic APM 代理收集 JMX 指标</h2><p>可以配置 Java 代理收集应用程序公开的 JMX 指标。本次教程中的 Petclinic 组件配置用来收集以下指标 <code>$HOME/k8s-o11y-workshop/petclinic/petclinic.yml</code>: </p><pre class="prettyprint">- name: ELASTIC_APM_CAPTURE_JMX_METRICS value: &gt;- object_name[java.lang:type=GarbageCollector,name=*] attribute[CollectionCount:metric_name=collection_count] attribute[CollectionTime:metric_name=collection_time], object_name[java.lang:type=Memory] attribute[HeapMemoryUsage:metric_name=heap] </pre><h2>使用 Lens 可视化定制指标</h2><p>并非所有指标都在 AMP 应用中有所体现。如上述示例，JMX 指标<em>为应用程序特有</em>，因此不能在 APM 应用内予以可视化呈现。此外，有时指标需要与其他可视化相组合，或以不同的方式可视化，才能实现价值体现。Kibana 可视化和仪表板当然可以用于这些指标的可视化，但本次教程希望向大家展示一种更快捷的全新方式，为各位带来耳目一新的体验。 </p><p>近期，Kibana 中引入了 <a href="/cn/what-is/kibana-lens">Lens</a>，作为一种更直观的分析人员驱动可视化工具。本示例将展示如何使用 Lens 实现代理收集的定制 JMX 指标的可视化。 </p><h3>Lens 示例</h3><p>为了让展示更有趣，我们运行一个 scale-out 命令，增加 petclinic 组件的 pod 计数，这样每个运行的 JVM 就可以实现多行。 </p><pre class="prettyprint">$ kubectl scale --replicas=3 deployment petclinic-deployment # Validate the scale-out did what it was supposed to $ kubectl get pods </pre><p>您将看到以下信息： </p><pre class="prettyprint">NAME READY STATUS RESTARTS AGE mysql-deployment-7ffc9c5897-grnft 1/1 Running 0 37m nginx-7ff654f859-xjqgn 1/1 Running 0 28m petclinic-deployment-86b666567c-5m9xb 1/1 Running 0 9s petclinic-deployment-86b666567c-76pv7 1/1 Running 0 9s petclinic-deployment-86b666567c-gncsw 1/1 Running 0 30m theia-86d9888954-867kk 1/1 Running 0 43m </pre><p>现在我们来见识下 Lens 的神奇之处： </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt7f7974d75e12280b/5f0f44470d1d2008538cf0a7/blog-k8s-o11y-apm-lens.gif" data-sys-asset-uid="blt7f7974d75e12280b" alt="Lens 启动！" style="display:block;margin:auto"/></p><h2>大家都知道搜索栏的用途是进行搜索</h2><p>当然，Elastic APM 应用也有搜索栏。对于大海捞针式的搜索问题症结，此功能可以缩小排查范围，是您得力的助手。此处的示例将为大家展示 APM UI 视图如何缩小至特定的浏览器类型： </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt8e4a849ec6734fa2/5f0e69940d1d2008538cec7d/blog-k8s-o11y-apm-search.jpg" data-sys-asset-uid="blt8e4a849ec6734fa2" alt="Elastic APM 拥有强大的搜索功能，因为它基于 Elasticsearch 打造" style="display:block;margin:auto"/></p><h2>APM 跟踪和日志关联</h2><p>另外一个有用的示例是关联 APM 跟踪与所跟踪代码生成的日志条目，该示例可以显示出事半功倍的效果。可以通过其 <code>trace.id&lt;code&gt;</code> 字段，将日志条目与 APM 跟踪相关联。而且这一切无需繁琐的操作，只需一些简单的配置即可。首先，我们来看一个此类关联的示例。 </p><p>看一下这项跟踪： </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt4c78ff7fd5af4130/5f0e69c85bbd1b7f3aca7766/blog-k8s-o11y-apm-trace-correlation.jpg" data-sys-asset-uid="blt4c78ff7fd5af4130" alt="一键实现跟踪和日志关联" style="display:block;margin:auto"/></p><p>此项跟踪展示了不同的代码部分如何执行的时间线视图，现在我们看一下刚才跟踪的代码生成的日志内容。我们将选择 Actions（操作）菜单中的 <strong>Trace logs</strong>（跟踪日志）。然后我们会看到日志 UI，预选跟踪数据捕获时的时间，并将使用 <code>trace.id</code> 筛选使用相同 <code>trace.id</code> 注释的日志数据： </p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/bltcf25e80da497d4d7/5f0e69e09be1ce01c562aaa7/blog-k8s-o11y-apm-log-stream.png" data-sys-asset-uid="bltcf25e80da497d4d7" alt="您的跟踪日志流" style="display:block;margin:auto"/></p><p><img src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt9666327a8c48d08b/5f0e69fd91afb901b86d5d90/blog-k8s-o11y-apm-trace-id.jpg" data-sys-asset-uid="blt9666327a8c48d08b" alt="详细了解跟踪 id" style="display:block;margin:auto"/></p><p>显而易见，<code>trace.id</code> 为 APM 跟踪固有，但我们可以如何对其进行管理，以扩充日志数据呢？首先，由于正在使用 <a href="/guide/en/apm/agent/java/current/index.html">Elastic APM Java 代理</a>，我们使用了其实施的<a href="/guide/en/apm/agent/java/1.x/log-correlation.html">日志关联</a>功能。实际上，它填充了 Java 日志记录框架（如使用 Spring Boot，则为 logback）的 <a href="http://logback.qos.ch/manual/mdc.html">MDC</a> 上下文映射中的 <code>trace.id</code> 和 <code>transaction.id</code> 字段。而这只需要在 petclinic ConfigMap <code>petclinic/petclinic.yml</code> 中设置这一环境变量： </p><pre class="prettyprint"> - name: ELASTIC_APM_ENABLE_LOG_CORRELATION value: "true" </pre><p>然后，使用 <a href="https://github.com/elastic/ecs-logging-java">ECS 日志记录</a>配置 petclinic 应用日志记录，使用与 <a href="/guide/en/ecs/current/index.html">Elastic Common Schema</a> 对应的其他字段（例如 <code>log.level、 transaction.id</code> 等）扩展发送到 Elastic Stack 中的日志条目。为了实现这点，我们在 petclinic 应用程序的 <code>pom.xml</code> 中添加了以下依赖项： </p><pre class="prettyprint"> &lt;dependency&gt; &lt;groupId&gt;co.elastic.logging&lt;/groupId&gt; &lt;artifactId&gt;logback-ecs-encoder&lt;/artifactId&gt; &lt;version&gt;${ecs-logging-java.version}&lt;/version&gt; &lt;/dependency&gt; </pre><p>还有 <code>docker/petclinic/src/main/resources/logback-spring.xml</code> 文件，其中 ECS 日志记录配置为以 JSON 形式写入 stdout： </p><pre class="prettyprint"> &lt;appender name="console" class="ch.qos.logback.core.ConsoleAppender"&gt; &lt;encoder class="co.elastic.logging.logback.EcsEncoder"&gt; &lt;serviceName&gt;petclinic&lt;/serviceName&gt; &lt;/encoder&gt; &lt;/appender&gt; &lt;root level="INFO"&gt; &lt;appender-ref ref="console"/&gt; &lt;/root&gt; </pre><p>最后，petclinic ConfigMap (<code>petclinic/petclinic.yml</code>) 中的注释利用 Beats 自动发现指示 Filebeat（解析 petclinic 生成的 JSON）： </p><pre class="prettyprint">container: annotations: co.elastic.logs/type: "log" co.elastic.logs/json.keys_under_root: "true" co.elastic.logs/json.overwrite_keys: "true"