Go runtime related problems in TiDB production environment About me ● Arthur Mao(毛康力), Senior Engineer@PingCAP ● TiDB core developer (top3 contributor) ● GitBook about golang internals (@tiancaiamao) not exhausted, but where is the bottleneck? Description ● The table is wide in the customer environment ○ CPU usage is higher with less columns ● The deployment does not consider NUMA ○ CPU usage is

Engineer ClickHouse in Production ClickHouse DBMS › Blazing fast › Linearly scalable › Flexible SQL dialect › Store petabytes of data › Fault-tolerant › 1000+ companies using in production › Open-source › Hundreds Database (ClickHouse!) https://github.com/donnemartin/system-design-primer 8 / 97 ClickHouse in Production: Yandex.Metrika › Third web analytics service in the world › Most popular analytics service in processed less than 5 minutes › More than 1000 servers running ClickHouse 9 / 97 ClickHouse in Production: Yandex.Metrika Site visitor Embedded JS HTTP Server Message Broker Daemons Pipeline mt-nano

Go in Linux Desktop Environment 2015年4月 夏彬 武汉深之度 Linux桌面环境 Gnome (Gtk) KDE (Qt) Lxde (Gtk) LxQt(Qt5) Xfce (Gtk) DDE (Gtk) ....... DE组件 Windows Manager Input Method Launcher Panel (dock)

eBPF Summit October 28, 2020 Debugging Go in production using eBPF ABOUT ME ? i’m Zain @zainasgar Co-Founder/CEO Pixie (@pixie_run) & Adjunct Professor of CS @ Stanford DEVELOPER PROBLEM You’re Argument Tracer ● Utilizing tracepoints for dynamic logging allows for easy instrumentation of production binaries ● The complexities of the Go ABI make it difficult to do. Especially when you consider:

SberBank story: moving Istio from PoC to production Igor Gustomyasov, Sber Maksim Chudnovskii, IBM Sber position across key areas Best client experience Technological leadership In financial services tuning is required 1. Resource consumption 2. Resource Mounts (#15517) 4. Tests on the production-size environment aren’t a waste of time 1. Istio Discovery Restarts (#25495) 2. Proxy Probes (#26792)

Kubernetes for Edge Computing across Inter-Continental Haier Production Sites Jiyuan Tang & Xin Zhang zhangxin@caicloud.io tangjiyuan@caicloud.io 关于我们 • 开源技术创新者 • 从 Kubernetes 到 Kubeflow • Google

Splitting CI and CD 1.3. Promotion of releases between environments 1.4. Modeling multi-environment configurations 1.5. Auto-scaling and dynamic resources 1.6. GitOps rollbacks 1.7. Observability promotion of releases between environments 4. There is no standard practice for modeling multi-environment configurations 5. GitOps breaks down with auto-scaling and dynamic resources 6. There is no of GitOps. There are also several underlying issues such as not knowing exactly when your environment has finished with the deployment in order to trigger the tests. The same scenario is trivial

3. First steps 4. Working with Spring Boot 5. Learning about Spring Boot features 6. Moving to production 7. Advanced topics II. Getting started 8. Introducing Spring Boot 9. Installing Spring Boot application for production 19. What to read next IV. Spring Boot features 20. SpringApplication Customizing SpringApplication Fluent builder API Application events and listeners Web environment Using the properties Using YAML instead of Properties Loading YAML Exposing YAML as properties in the Spring Environment Multi-profile YAML documents YAML shortcomings Typesafe Configuration Properties Relaxed binding

3. First steps 4. Working with Spring Boot 5. Learning about Spring Boot features 6. Moving to production 7. Advanced topics II. Getting started 8. Introducing Spring Boot 9. System Requirements Servlet Using the Maven plugin Using the Gradle plugin Hot swapping 20. Packaging your application for production 21. What to read next IV. Spring Boot features 22. SpringApplication Customizing the Banner Banner Customizing SpringApplication Fluent builder API Application events and listeners Web environment Using the CommandLineRunner Application exit 23. Externalized Configuration Accessing command line properties

............................................................................... 6 6. Moving to production .............................................................................................. ....................................................... 34 18. Packaging your application for production ..................................................................... 35 19. What to read next listeners ........................................................................ 39 20.4. Web environment .............................................................................................