https://jiekun.dev/ Recent content on Jiekun's Blog Hugo cn-zh This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Sat, 16 May 2026 11:45:00 +0800 https://jiekun.dev/posts/elasticsearch-30x-faster-than-prometheus/ Sat, 16 May 2026 11:45:00 +0800 https://jiekun.dev/posts/elasticsearch-30x-faster-than-prometheus/ <h2 id="elasticsearch新引擎领先-prometheus-30x">Elasticsearch：新引擎领先 Prometheus 30x</h2> <p>上周, Elasticsearch 发布了名为<a href="https://www.elastic.co/search-labs/blog/elasticsearch-columnar-metrics-engine-30x-faster-prometheus">《30x faster than Prometheus: How we rebuilt Elasticsearch as a leading columnar metrics datastore》</a>的博客，他们对时序引擎进行了重构，使得 Elasticsearch 更适合存储指标数据。</p> <p>具体来说，这次重构成果包括：</p> https://jiekun.dev/posts/kubecon-eu-2026-interview/ Fri, 08 May 2026 11:14:00 +0800 https://jiekun.dev/posts/kubecon-eu-2026-interview/ <p>Hi！我们在 3 月份发布了一篇公众号，征集 VictoriaMetrics 用户关于产品（包括 VictoriaMetrics、VictoriaLogs 等）的问题，并且在 KubeCon Europe 上让创始人们进行解答。</p> https://jiekun.dev/posts/kubecon-eu-2026-sampling/ Mon, 06 Apr 2026 18:45:00 +0800 https://jiekun.dev/posts/kubecon-eu-2026-sampling/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>VictoriaMetrics Blogs</b> </div> <div class="admonition-content"><p>This blog post will be available in <strong>English</strong> soon:</p> <ul> <li><a href="https://victoriametrics.com/blog/kubecon-eu-2026-sampling/">KubeCon Europe 2026: Optimizing Tail Sampling in OpenTelemetry with Retroactive Sampling and On-disk Buffers</a></li> </ul></div> </aside> <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;"> <iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen" loading="eager" referrerpolicy="strict-origin-when-cross-origin" src="https://www.youtube.com/embed/ehKzt_kGEeM?autoplay=0&amp;controls=1&amp;end=0&amp;loop=0&amp;mute=0&amp;start=0" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border:0;" title="YouTube video"></iframe> </div> <p style="text-align:center;font-size:.8em;font-style:italic;opacity:.6;">演讲录像 <a href="https://www.bilibili.com/video/BV1S7DsByEWF">Bilibili</a> | <a href="https://www.youtube.com/watch?v=ehKzt_kGEeM">Youtube</a></p> <p>上个月，我随 <strong><a href="https://victoriametrics.com/">VictoriaMetrics</a></strong> 团队在 KubeCon Europe 2026 上分享了<a href="https://kccnceu2026.sched.com/event/2CW83">分布式追踪中的回溯采样（Retroactive Sampling）</a>。</p> https://jiekun.dev/posts/victoriametrics-ukrainian-database/ Mon, 12 Jan 2026 00:00:00 +0800 https://jiekun.dev/posts/victoriametrics-ukrainian-database/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>Underdogs Newsletter</b> </div> <div class="admonition-content">本文译自 <a href="https://www.linkedin.com/in/perevoznykm/">Michael Perevoznyk</a> 发布在 Underdogs Newsletter 的文章 <a href="https://underdogfounders.substack.com/p/victoriametrics-ukrainian-database">VictoriaMetrics: Ukrainian database company | With Co-Founder Aliaksandr Valialkin</a>。</div> </aside> <blockquote> <p><em>大家好！我是 <a href="https://flyerone.vc/">Flyer One Ventures</a> 的 <a href="https://www.linkedin.com/in/perevoznykm/">Michael</a>。我专注于投资种子前（pre-seed）和种子轮阶段（seed）的乌克兰及中东欧创始人，他们正打造面向全球的软件公司。这是我的通讯专栏 Underdogs —— 欢迎订阅，阅读东欧成功科技公司的精彩故事。</em></p> https://jiekun.dev/posts/otlp-grpc-from-scratch/ Thu, 23 Oct 2025 00:49:09 +0800 https://jiekun.dev/posts/otlp-grpc-from-scratch/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>VictoriaMetrics Blogs</b> </div> <div class="admonition-content"><p>This blog post is also available in <strong>English</strong>:</p> <ul> <li><a href="https://victoriametrics.com/blog/opentelemetry-without-grpc-go/">Discarding gRPC-Go: The Story Behind OTLP/gRPC Support in VictoriaTraces</a></li> </ul></div> </aside> <p>我们不妨先从结论开始，不使用 <a href="https://github.com/grpc/grpc-go">gRPC-Go</a> 来构建 OTLP/gRPC 的 gRPC Server，可以让：</p> <ul> <li>二进制包的体积：降低 25%</li> <li>CPU 使用率：降低 36%</li> </ul> <h2 id="背景">背景</h2> <p>OpenTelemetry 协议（OTLP）是 “有 OpenTelemetry 插装的应用” 与 “OpenTelemetry（兼容的）Collector/后端” 之间进行数据传输所用的协议。</p> https://jiekun.dev/posts/dev-note-the-progress-of-victoriatraces/ Fri, 01 Aug 2025 12:51:31 +0800 https://jiekun.dev/posts/dev-note-the-progress-of-victoriatraces/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>The VictoriaMetrics Observability Blog</b> </div> <div class="admonition-content"><p>This blog post is also available in <strong>English</strong>:</p> <ul> <li><a href="https://new.victoriametrics.com/blog/dev-note-traces-query-performance-and-optimization-directions/">Developer&rsquo;s Note: Traces Query Performance and Optimization Directions</a></li> </ul></div> </aside> <p>数月之前我们公布了关于用 VictoriaLogs 充当 Traces 数据的存储的调研，从 PoC 的角度看，这是一次很不错的尝试，但是我们意识到，这离真正可用的产品形态还差很远。</p> https://jiekun.dev/posts/dev-note-distributed-tracing-with-victorialogs/ Fri, 16 May 2025 20:42:00 +0000 https://jiekun.dev/posts/dev-note-distributed-tracing-with-victorialogs/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>The VictoriaMetrics Observability Blog</b> </div> <div class="admonition-content"><p>This blog post is also available in <strong>English</strong>:</p> <ul> <li><a href="https://victoriametrics.com/blog/dev-note-distributed-tracing-with-victorialogs/">Developer&rsquo;s Note: Research on Distributed Tracing, Comparing With Tempo and ClickHouse</a></li> </ul></div> </aside> <p>谈到可观测性，人们总是会提起它的三大支柱：Metrics, Tracing, 和 Logging。在 <strong>VictoriaMetrics</strong>，我们已经有了 Metrics 和 Logging 的解决方案 <strong>Victoria</strong>Metrics 和 <strong>Victoria</strong>Logs。同时我们也一直听到很多声音，其中之一就是：<strong>Victoria</strong>Traces 什么时候发布。</p> https://jiekun.dev/posts/kubecon-eu-2025-view/ Sat, 12 Apr 2025 20:37:00 +0000 https://jiekun.dev/posts/kubecon-eu-2025-view/ <p>上周，我随公司一同参加了在英国举行的 KubeCon + CloudNativeCon Europe 2025 以及几个同地活动。今年的伦敦也是热闹非凡，吸引了超过 12500 人来到了 ExCeL London。</p> <p>如果你错过了这次活动，不妨先通过我给公司制作的 2 分钟 Highlights 视频先感受一下现场气氛。</p> https://jiekun.dev/posts/2024-summary/ Fri, 21 Mar 2025 21:48:21 +0800 https://jiekun.dev/posts/2024-summary/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>Context</b> </div> <div class="admonition-content">This blog post is written before my trip to <a href="https://kccnceu2025.sched.com/">KubeCon London</a>. Exactly one year ago, I met with the <a href="https://victoriametrics.com/">VictoriaMetrics</a> team in Paris for the first time. So, this review is about what I have been doing during this past year and how these things have changed my life.</div> </aside> <h2 id="contributing-without-pull-requests-learning-by-supporting">Contributing Without Pull Requests: Learning by Supporting</h2> <p>At first, I didn&rsquo;t know much about VictoriaMetrics. We were using Prometheus and Thanos, well-recognized metrics monitoring solutions. Like everyone else, we had performance and other issues, so we started looking for alternatives.</p> https://jiekun.dev/posts/otlp-remote-write/ Sat, 21 Dec 2024 01:22:23 +0800 https://jiekun.dev/posts/otlp-remote-write/ <aside class="admonition note"> <div class="admonition-title"> <div class="icon"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5L17 3z"></path></svg></div><b>Medium</b> </div> <div class="admonition-content"><p>This blog post is also available in <strong>English</strong>:</p> <ul> <li><a href="https://victoriametrics.com/blog/opentelemetry-prometheus-and-more/">OpenTelemetry, Prometheus, and More: Which Is Better for Metrics Collection and Propagation?</a></li> </ul></div> </aside> <h2 id="prometheus-and-remote-write">Prometheus and Remote Write</h2> <p>Prometheus 是云原生指标监控领域的事实标准。它的工作模式很简单：应用提供 <code>/metrics</code> HTTP API，以文本格式暴露指标数据；Prometheus 访问这些 API，将数据采集，然后提供查询 API 进行展示。</p>