## Containers and BPF: twagent story Andrey Ignatov, Facebook eBPF Summit ## twagent • a daemon - runs on every Facebook server • manages all Facebook containers - a part of the bigger TW system

## A Multithreaded, Transaction-Based Locking Strategy for Containers Bob Steagall CppCon 2020 KEWB COMPUTING ## Overview • Sharing a container among multiple threads • A motivating problem • Some required • Every message input requires a write operation to the history • Which uses one or more containers ## Motivating Problem – Reactive Message Processor ![Image](/uploads/documents/9/0/0/c/900c7a required • Every message input requires a write operation to a container • Which uses one or more containers ## • It must scale to multiple threads! ## Motivating Problem – Reactive Message Processor !

..... 9 8. Introducing Spring Boot ..... 10 9. System Requirements ..... 11 9.1. Servlet containers ..... 11 10. Installing Spring Boot ..... 12 10.1. Installation instructions for the Java developer listeners ..... 90 The EmbeddedWebApplicationContext ..... 90 Customizing embedded servlet containers ..... 91 Programmatic customization ..... 91 Customizing Configurable Embedded Servlet Container 246 72.8. Discover built-in options for external properties ..... 247 73. Embedded servlet containers ..... 248 73.1. Add a Servlet, Filter or Listener to an application ..... 248 Add a Servlet

Advanced topics II. Getting started 8. Introducing Spring Boot 9. System Requirements Servlet containers 10. Installing Spring Boot Installation instructions for the Java developer Maven Servlets, Filters, and listeners The EmbeddedWebApplicationContext Customizing embedded servlet containers Programmatic customization Customizing ConfigurableEmbeddedServletContainer directly JSP limitations on the environment Discover built-in options for external properties 73. Embedded servlet containers Add a Servlet, Filter or Listener to an application Add a Servlet, Filter or Listener using

..... 9 8. Introducing Spring Boot ..... 10 9. System Requirements ..... 11 9.1. Servlet Containers ..... 11 10. Installing Spring Boot ..... 12 10.1. Installation Instructions for the Java Developer Listeners ..... 101 The ServletWebServerApplicationContext ..... 101 Customizing Embedded Servlet Containers ..... 101 Programmatic Customization ..... 102 Customizing ConfigurableServletWebServerFactory SpringApplication | External Configuration | Profiles | Logging • Web Applications: MVC | Embedded Containers • Working with data: SQL | NO-SQL • Messaging: Overview | JMS • Testing: Overview | Boot Applications

..... 9 8. Introducing Spring Boot ..... 10 9. System Requirements ..... 11 9.1. Servlet containers ..... 11 10. Installing Spring Boot ..... 12 10.1. Installation instructions for the Java developer listeners ..... 90 The EmbeddedWebApplicationContext ..... 90 Customizing embedded servlet containers ..... 91 Programmatic customization ..... 91 Customizing Configurable Embedded Servlet Container 246 72.8. Discover built-in options for external properties ..... 247 73. Embedded servlet containers ..... 248 73.1. Add a Servlet, Filter or Listener to an application ..... 248 Add a Servlet

. 6 4.1. Introducing Spring Boot ..... 6 4.2. System Requirements ..... 6 4.2.1. Servlet Containers ..... 6 4.3. Installing Spring Boot ..... 7 4.3.1. Installation Instructions for the Java Developer Initialization ..... 140 The ServletWebServerApplicationContext ..... 140 Customizing Embedded Servlet Containers ..... 141 JSP Limitations ..... 143 7.7.5. Embedded Reactive Server Support ..... 143 7.7 What to Read Next ..... 367 Deploying Spring Boot Applications ..... 368 9.1. Deploying to Containers ..... 368 9.2. Deploying to the Cloud ..... 368 9.2.1. Cloud Foundry ..... 369 Binding to

..... 9 8. Introducing Spring Boot ..... 10 9. System Requirements ..... 11 9.1. Servlet containers ..... 11 10. Installing Spring Boot ..... 12 10.1. Installation instructions for the Java developer listeners ..... 91 The ServletWebServerApplicationContext ..... 91 Customizing embedded servlet containers ..... 91 Programmatic customization ..... 92 Customizing ConfigurableServletWebServerFactory Create a deployable war file ..... 272 86.2. Create a deployable war file for older servlet containers ..... 273 86.3. Convert an existing application to Spring Boot ..... 273 86.4. Deploying a

Cofounder & CTO; Kata Containers arch committee Hyper.sh 的一些开源项目(Go) Hyperd + runV + hyperstart Hypernetes & frakti Hyper.sh 主要参与/贡献的一些开源项目 Java: Hadoop HDFS Kata Containers 语言背景 Golang: hyper runV 由 Hyper.sh 开发，始于2015年，并有 Huawei, ARM, IBM 等公司参与 2017年12月，Hyper和Intel宣布，runV与Clear Containers合并成为 Kata Containers项目，并由OpenStack Foundation管理 runV / kata 使用 hypervisor 提供容器间的隔离，并可以以百毫秒级别的时间启动容器 Secure

topics II. Getting started 8. Introducing Spring Boot 9. System Requirements - Servlet containers 10. Installing Spring Boot - Installation instructions for the Java developer - Servlets, Filters, and listeners The EmbeddedWebApplicationContext Customizing embedded servlet containers Programmatic customization Customizing ConfigurableEmbeddedServletContainer directly JSP limitations on the environment Discover built-in options for external properties 73. Embedded servlet containers Add a Servlet, Filter or Listener to an application Add a Servlet, Filter or Listener using