https://advanced-beginner.github.io/ko/docs/observability/appendix/Recent content in 부록 on Advanced BeginnerHugoko-KRd8lzz1gpw@mozmail.com (kimbenji)d8lzz1gpw@mozmail.com (kimbenji)Mon, 23 Mar 2026 19:08:15 +0900https://advanced-beginner.github.io/ko/docs/observability/appendix/glossary/Thu, 15 Jan 2026 00:00:00 +0000d8lzz1gpw@mozmail.com (kimbenji)https://advanced-beginner.github.io/ko/docs/observability/appendix/glossary/<blockquote class='book-hint '> <p><strong>빠른 이동</strong>: <a href="#a">A</a> | <a href="#b">B</a> | <a href="#c">C</a> | <a href="#d">D</a> | <a href="#e">E</a> | <a href="#f">F</a> | <a href="#g">G</a> | <a href="#h">H</a> | <a href="#i">I</a> | <a href="#j">J</a> | <a href="#k">K</a> | <a href="#l">L</a> | <a href="#m">M</a> | <a href="#n">N</a> | <a href="#o">O</a> | <a href="#p">P</a> | <a href="#r">R</a> | <a href="#s">S</a> | <a href="#t">T</a> | <a href="#u">U</a> | <a href="#v">V</a> | <a href="#w">W</a> | <a href="#z">Z</a></p> </blockquote><hr> <h2 id="a">A<a class="anchor" href="#a">#</a></h2> <h3 id="alerting-rules">Alerting Rules<a class="anchor" href="#alerting-rules">#</a></h3> <p>Prometheus에서 조건 기반 알림을 정의하는 규칙. 조건 만족 시 Alertmanager로 알림 전송.</p> <h3 id="alertmanager">Alertmanager<a class="anchor" href="#alertmanager">#</a></h3> <p>Prometheus의 알림을 수신하여 그룹화, 억제, 라우팅하는 컴포넌트.</p> <h3 id="annotation">Annotation<a class="anchor" href="#annotation">#</a></h3> <p>알림 규칙에서 알림 메시지, 설명, 런북 URL 등을 정의하는 메타데이터.</p> <h2 id="b">B<a class="anchor" href="#b">#</a></h2> <h3 id="bucket">Bucket<a class="anchor" href="#bucket">#</a></h3> <p>Histogram에서 값의 분포를 측정하는 구간. <code>le</code> (less than or equal) 라벨로 구분. 예: <code>le=&quot;0.5&quot;</code>는 0.5초 이하.</p>https://advanced-beginner.github.io/ko/docs/observability/appendix/faq/Mon, 12 Jan 2026 00:00:00 +0000d8lzz1gpw@mozmail.com (kimbenji)https://advanced-beginner.github.io/ko/docs/observability/appendix/faq/<h2 id="일반">일반<a class="anchor" href="#%ec%9d%bc%eb%b0%98">#</a></h2> <h3 id="q-monitoring과-observability의-차이는">Q: Monitoring과 Observability의 차이는?<a class="anchor" href="#q-monitoring%ea%b3%bc-observability%ec%9d%98-%ec%b0%a8%ec%9d%b4%eb%8a%94">#</a></h3> <p><strong>Monitoring</strong>: 사전에 정의한 지표를 감시 (&ldquo;이 값이 임계치를 넘었는가?&rdquo;)</p> <p><strong>Observability</strong>: 시스템 내부 상태를 외부에서 파악할 수 있는 능력 (&ldquo;왜 이 문제가 발생했는가?&rdquo;)</p> <p>Monitoring은 Observability의 일부입니다. Observability는 예상치 못한 문제도 분석할 수 있는 능력을 포함합니다.</p> <h3 id="q-3요소metrics-logs-traces-중-뭘-먼저-도입해야-하나">Q: 3요소(Metrics, Logs, Traces) 중 뭘 먼저 도입해야 하나?<a class="anchor" href="#q-3%ec%9a%94%ec%86%8cmetrics-logs-traces-%ec%a4%91-%eb%ad%98-%eb%a8%bc%ec%a0%80-%eb%8f%84%ec%9e%85%ed%95%b4%ec%95%bc-%ed%95%98%eb%82%98">#</a></h3> <p><strong>권장 순서</strong>:</p> <ol> <li><strong>Metrics</strong> - 시스템 상태 파악, 알림 설정</li> <li><strong>Logs</strong> - 에러 원인 분석</li> <li><strong>Traces</strong> - 분산 시스템 흐름 분석</li> </ol> <p>단일 서비스라면 Metrics + Logs로 충분할 수 있습니다. 마이크로서비스라면 Traces가 필수입니다.</p>https://advanced-beginner.github.io/ko/docs/observability/appendix/alerting-actions/Mon, 12 Jan 2026 00:00:00 +0000d8lzz1gpw@mozmail.com (kimbenji)https://advanced-beginner.github.io/ko/docs/observability/appendix/alerting-actions/<p>알림을 받은 후 어떻게 대응해야 하는지 상황별 가이드입니다.</p> <h2 id="알림--액션-워크플로우">알림 → 액션 워크플로우<a class="anchor" href="#%ec%95%8c%eb%a6%bc--%ec%95%a1%ec%85%98-%ec%9b%8c%ed%81%ac%ed%94%8c%eb%a1%9c%ec%9a%b0">#</a></h2> <pre class="mermaid">graph LR A[&#34;알림 수신&#34;] --&gt; B[&#34;상황 파악&#34;] B --&gt; C[&#34;영향도 평가&#34;] C --&gt; D[&#34;즉시 조치&#34;] D --&gt; E[&#34;근본 원인 분석&#34;] E --&gt; F[&#34;영구 해결&#34;] F --&gt; G[&#34;사후 검토&#34;]</pre><hr> <h2 id="상황별-대응">상황별 대응<a class="anchor" href="#%ec%83%81%ed%99%a9%eb%b3%84-%eb%8c%80%ec%9d%91">#</a></h2> <h3 id="1-서비스-다운-targetdown">1. 서비스 다운 (TargetDown)<a class="anchor" href="#1-%ec%84%9c%eb%b9%84%ec%8a%a4-%eb%8b%a4%ec%9a%b4-targetdown">#</a></h3> <p><strong>알림</strong></p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">alert</span><span class="p">:</span><span class="w"> </span><span class="l">TargetDown</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="nt">expr</span><span class="p">:</span><span class="w"> </span><span class="l">up == 0</span></span></span></code></pre></div><p><strong>즉시 조치</strong></p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># 1. 서비스 상태 확인</span> </span></span><span class="line"><span class="cl">kubectl get pods -l <span class="nv">app</span><span class="o">=</span>order-service </span></span><span class="line"><span class="cl">docker ps -f <span class="nv">name</span><span class="o">=</span>order-service </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># 2. 로그 확인</span> </span></span><span class="line"><span class="cl">kubectl logs -l <span class="nv">app</span><span class="o">=</span>order-service --tail<span class="o">=</span><span class="m">100</span> </span></span><span class="line"><span class="cl">docker logs order-service --tail<span class="o">=</span><span class="m">100</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># 3. 재시작 시도</span> </span></span><span class="line"><span class="cl">kubectl rollout restart deployment/order-service </span></span><span class="line"><span class="cl">docker restart order-service</span></span></code></pre></div><p><strong>근본 원인 분석</strong></p>https://advanced-beginner.github.io/ko/docs/observability/appendix/references/Mon, 12 Jan 2026 00:00:00 +0000d8lzz1gpw@mozmail.com (kimbenji)https://advanced-beginner.github.io/ko/docs/observability/appendix/references/<h2 id="공식-문서">공식 문서<a class="anchor" href="#%ea%b3%b5%ec%8b%9d-%eb%ac%b8%ec%84%9c">#</a></h2> <h3 id="prometheus">Prometheus<a class="anchor" href="#prometheus">#</a></h3> <table> <thead> <tr> <th>자료</th> <th>링크</th> <th>설명</th> </tr> </thead> <tbody> <tr> <td>Prometheus 공식 문서</td> <td><a href="https://prometheus.io/docs/">https://prometheus.io/docs/</a></td> <td>설정, PromQL, 운영 가이드</td> </tr> <tr> <td>PromQL 참조</td> <td><a href="https://prometheus.io/docs/prometheus/latest/querying/basics/">https://prometheus.io/docs/prometheus/latest/querying/basics/</a></td> <td>쿼리 언어 상세</td> </tr> <tr> <td>Alerting Rules</td> <td><a href="https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/">https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/</a></td> <td>알림 규칙 작성</td> </tr> </tbody> </table> <h3 id="grafana">Grafana<a class="anchor" href="#grafana">#</a></h3> <table> <thead> <tr> <th>자료</th> <th>링크</th> <th>설명</th> </tr> </thead> <tbody> <tr> <td>Grafana 공식 문서</td> <td><a href="https://grafana.com/docs/grafana/latest/">https://grafana.com/docs/grafana/latest/</a></td> <td>대시보드, 패널 설정</td> </tr> <tr> <td>Loki 문서</td> <td><a href="https://grafana.com/docs/loki/latest/">https://grafana.com/docs/loki/latest/</a></td> <td>로그 수집/쿼리</td> </tr> <tr> <td>Tempo 문서</td> <td><a href="https://grafana.com/docs/tempo/latest/">https://grafana.com/docs/tempo/latest/</a></td> <td>분산 추적</td> </tr> </tbody> </table> <h3 id="opentelemetry">OpenTelemetry<a class="anchor" href="#opentelemetry">#</a></h3> <table> <thead> <tr> <th>자료</th> <th>링크</th> <th>설명</th> </tr> </thead> <tbody> <tr> <td>OpenTelemetry 공식</td> <td><a href="https://opentelemetry.io/docs/">https://opentelemetry.io/docs/</a></td> <td>개념, SDK, Collector</td> </tr> <tr> <td>Java 계측</td> <td><a href="https://opentelemetry.io/docs/languages/java/">https://opentelemetry.io/docs/languages/java/</a></td> <td>Java 자동/수동 계측</td> </tr> <tr> <td>Semantic Conventions</td> <td><a href="https://opentelemetry.io/docs/concepts/semantic-conventions/">https://opentelemetry.io/docs/concepts/semantic-conventions/</a></td> <td>표준화된 속성 이름</td> </tr> </tbody> </table> <hr> <h2 id="도서">도서<a class="anchor" href="#%eb%8f%84%ec%84%9c">#</a></h2> <h3 id="필수">필수<a class="anchor" href="#%ed%95%84%ec%88%98">#</a></h3> <table> <thead> <tr> <th>도서</th> <th>저자</th> <th>내용</th> </tr> </thead> <tbody> <tr> <td><strong>Site Reliability Engineering</strong></td> <td>Google SRE Team</td> <td>SRE 원칙, 황금 신호, SLO</td> </tr> <tr> <td><strong>Observability Engineering</strong></td> <td>Charity Majors, Liz Fong-Jones</td> <td>현대적 관측성 개념</td> </tr> <tr> <td><strong>The SRE Workbook</strong></td> <td>Google SRE Team</td> <td>SRE 실전 적용</td> </tr> </tbody> </table> <h3 id="권장">권장<a class="anchor" href="#%ea%b6%8c%ec%9e%a5">#</a></h3> <table> <thead> <tr> <th>도서</th> <th>저자</th> <th>내용</th> </tr> </thead> <tbody> <tr> <td><strong>Prometheus: Up &amp; Running</strong></td> <td>Brian Brazil</td> <td>Prometheus 상세 가이드</td> </tr> <tr> <td><strong>Distributed Tracing in Practice</strong></td> <td>Austin Parker 외</td> <td>분산 추적 심화</td> </tr> <tr> <td><strong>Database Reliability Engineering</strong></td> <td>Laine Campbell, Charity Majors</td> <td>DB 관측성</td> </tr> </tbody> </table> <hr> <h2 id="블로그--아티클">블로그 &amp; 아티클<a class="anchor" href="#%eb%b8%94%eb%a1%9c%ea%b7%b8--%ec%95%84%ed%8b%b0%ed%81%b4">#</a></h2> <h3 id="prometheusgrafana">Prometheus/Grafana<a class="anchor" href="#prometheusgrafana">#</a></h3> <ul> <li><a href="https://prometheus.io/docs/practices/">Prometheus Best Practices</a> - 공식 권장사항</li> <li><a href="https://grafana.com/blog/">Grafana Blog</a> - 새 기능, 사례 연구</li> <li><a href="https://www.robustperception.io/blog/">Robust Perception Blog</a> - Brian Brazil의 Prometheus 팁</li> </ul> <h3 id="sreobservability">SRE/Observability<a class="anchor" href="#sreobservability">#</a></h3> <ul> <li><a href="https://sre.google/books/">Google SRE Books (무료)</a> - 전체 내용 무료 공개</li> <li><a href="https://www.honeycomb.io/blog/">Honeycomb Blog</a> - 관측성 심화</li> <li><a href="https://charity.wtf/">Charity Majors&rsquo; Blog</a> - 관측성 리더의 인사이트</li> </ul> <hr> <h2 id="영상">영상<a class="anchor" href="#%ec%98%81%ec%83%81">#</a></h2> <h3 id="컨퍼런스">컨퍼런스<a class="anchor" href="#%ec%bb%a8%ed%8d%bc%eb%9f%b0%ec%8a%a4">#</a></h3> <table> <thead> <tr> <th>영상</th> <th>링크</th> <th>내용</th> </tr> </thead> <tbody> <tr> <td>PromCon</td> <td><a href="https://www.youtube.com/@PrometheusIo">https://www.youtube.com/@PrometheusIo</a></td> <td>Prometheus 컨퍼런스</td> </tr> <tr> <td>GrafanaCon</td> <td><a href="https://www.youtube.com/@Grafana">https://www.youtube.com/@Grafana</a></td> <td>Grafana 컨퍼런스</td> </tr> <tr> <td>KubeCon</td> <td><a href="https://www.youtube.com/@caborgg">https://www.youtube.com/@caborgg</a></td> <td>Kubernetes, 관측성 세션</td> </tr> </tbody> </table> <h3 id="튜토리얼">튜토리얼<a class="anchor" href="#%ed%8a%9c%ed%86%a0%eb%a6%ac%ec%96%bc">#</a></h3> <ul> <li><a href="https://www.youtube.com/watch?v=h4Sl21AKiDg">Prometheus Tutorial for Beginners</a> - TechWorld with Nana</li> <li><a href="https://www.youtube.com/playlist?list=PLDGkOdUX1Ujrrse-cdj20RRah9hyHdxBu">Grafana Tutorials</a> - Grafana 공식</li> </ul> <hr> <h2 id="온라인-코스">온라인 코스<a class="anchor" href="#%ec%98%a8%eb%9d%bc%ec%9d%b8-%ec%bd%94%ec%8a%a4">#</a></h2> <table> <thead> <tr> <th>코스</th> <th>플랫폼</th> <th>설명</th> </tr> </thead> <tbody> <tr> <td>Prometheus &amp; Grafana</td> <td>Udemy</td> <td>실습 중심</td> </tr> <tr> <td>Site Reliability Engineering</td> <td>Coursera</td> <td>Google의 SRE 코스</td> </tr> <tr> <td>Observability with OpenTelemetry</td> <td>Linux Foundation</td> <td>OTel 입문</td> </tr> </tbody> </table> <hr> <h2 id="커뮤니티">커뮤니티<a class="anchor" href="#%ec%bb%a4%eb%ae%a4%eb%8b%88%ed%8b%b0">#</a></h2> <h3 id="slack">Slack<a class="anchor" href="#slack">#</a></h3> <ul> <li><a href="https://prometheus-users.slack.com/">Prometheus Users</a></li> <li><a href="https://grafana.slack.com/">Grafana Community</a></li> <li><a href="https://slack.cncf.io/">CNCF Slack</a> - #prometheus, #opentelemetry</li> </ul> <h3 id="github">GitHub<a class="anchor" href="#github">#</a></h3> <table> <thead> <tr> <th>프로젝트</th> <th>링크</th> </tr> </thead> <tbody> <tr> <td>Prometheus</td> <td><a href="https://github.com/prometheus/prometheus">https://github.com/prometheus/prometheus</a></td> </tr> <tr> <td>Grafana</td> <td><a href="https://github.com/grafana/grafana">https://github.com/grafana/grafana</a></td> </tr> <tr> <td>Loki</td> <td><a href="https://github.com/grafana/loki">https://github.com/grafana/loki</a></td> </tr> <tr> <td>Tempo</td> <td><a href="https://github.com/grafana/tempo">https://github.com/grafana/tempo</a></td> </tr> <tr> <td>OpenTelemetry</td> <td><a href="https://github.com/open-telemetry">https://github.com/open-telemetry</a></td> </tr> </tbody> </table> <hr> <h2 id="대시보드--규칙">대시보드 &amp; 규칙<a class="anchor" href="#%eb%8c%80%ec%8b%9c%eb%b3%b4%eb%93%9c--%ea%b7%9c%ec%b9%99">#</a></h2> <h3 id="grafana-대시보드">Grafana 대시보드<a class="anchor" href="#grafana-%eb%8c%80%ec%8b%9c%eb%b3%b4%eb%93%9c">#</a></h3> <table> <thead> <tr> <th>ID</th> <th>이름</th> <th>용도</th> </tr> </thead> <tbody> <tr> <td>1860</td> <td>Node Exporter Full</td> <td>서버 모니터링</td> </tr> <tr> <td>3662</td> <td>Prometheus Stats</td> <td>Prometheus 자체 모니터링</td> </tr> <tr> <td>4701</td> <td>JVM Micrometer</td> <td>Spring Boot JVM</td> </tr> <tr> <td>7362</td> <td>MySQL Overview</td> <td>MySQL 모니터링</td> </tr> <tr> <td>7587</td> <td>PostgreSQL</td> <td>PostgreSQL 모니터링</td> </tr> <tr> <td>11074</td> <td>Kafka Exporter</td> <td>Kafka 모니터링</td> </tr> </tbody> </table> <p><a href="https://grafana.com/grafana/dashboards/">https://grafana.com/grafana/dashboards/</a> 에서 검색 가능</p>