the second project to ever join CNCF and the de facto standard in cloud-native monitoring Kubelets, sidecars, microservices, ALL the cloud-native But it’s a monolithic application ...why? Richard Hartmann Introduction Intro 2.0 to 2.2.1 2.4 - 2.6 Beyond Outro Three main features Storage backend Caveat: Prometheus 2.0 comes with storage v3 Staleness handling Remote read & write API is now stable-ish Links @TwitchiH & @fredbrancz Prometheus Deep Dive Introduction Intro 2.0 to 2.2.1 2.4 - 2.6 Beyond Outro Storage Prometheus 1.x We used to have one file per time series ..and one common index for all of time

OpenMetrics Outro Problem statement After Prometheus Prometheus has become a de-facto standard in cloud-native metric monitoring Ease of exposing data has lead to an explosion in compatible metrics endpoints Introduction Quick intro OpenMetrics Outro Problem statement Goldrush So about fragmentation... Cloud native is in the buzz phase Explosive growth always equals goldrush and stake claiming, aka fragmentation OpenMetrics Introduction Quick intro OpenMetrics Outro Plans Beyond cloud OpenMetrics is intended to go beyond ”just” cloud-native fields Want to get more traditional projects and vendors on board

FlashDuty 来处理。下面是 FlashDuty 相关信息： ● 注册地址：https://console.flashcat.cloud/signup?from=wp_oncall 注册之后就有两周全功能免 费体验期 ● 联系我们：https://flashcat.cloud/contact/ 任何问题（采购、产品使用等）都可以联系我们

上面的知识点是 PromQL 的常规知识，尽量融入了一些生产实践的场景，当然，PromQL 还有 更多函数没有介绍，大家可以阅读其文档学习。 我是来自快猫星云（https://flashcat.cloud/）的秦晓辉，在监控/可观测性道路上，伴你前行 :-)

hardware 200,000 samples/second/core 16 bytes/sample compressed to 1.36 bit/sample Cheap ingestion & storage means more data for you Richard Hartmann & Frederic Branczyk @TwitchiH & @fredbrancz Intro to Prometheus

----------------> ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ 参考文档：https://ganeshvernekar.com/blog/prometheus-tsdb-the-head-block/ ⚫ • • • • ⚫ • • • ⚫ • • 计算指标需要多少内存 https://www.robustperception.io/how-much-ram-does-prom