problem, Bottleneck in sentry mVMd + QEMU + eklet is what we need to implement Elastic Kubernetes Service (EKS) Architecture QEMU QEMU containerd + mVMd Host Kernel MicroVM/Pod container Guest Kernel implements the first Rust-based light VMM called CrosVM which is in Fuchsia operating system • AWS develops his own light VMM called Firecracker which is based of CrosVM • There are lots of reduplication

• 边云数据复制 • 跨云 / 异地数据复制 • 增量备份 • 多级存储 • 工业数据接入 全托管时序数据 管理云服务平台 • 全托管服务 • VPC 对等连接 • 多云部署（ AWS/Azure/ GCP) CONTENTS 自 我 介 绍 T D e n g i n e t a o s X R u s t 使 用 taosX - 物联网数据接入问题 • 多种不同协议数据对接，开发复杂度高 https://crates.io/crates/tokio-cron-scheduler • MPMC Channel: https://crates.io/crates/flume • Web Service: • Framework: https://crates.io/crates/actix-web • OpenAPI：https://crates.io/crates/utoipa • Metrics:

Jun 18, 2023 An indie developer from China  The main translator of the book «Gray Hat Hacking The Ethical Hacker's Handbook, Fourth Edition» (ISBN ： 9787302428671)

Bookinfo architecture without service mesh ● Reviews-v1 ○ doesn’t call the ratings service. ● Reviews-v2 ○ calls ratings, black stars ● Reviews-v3 ○ calls ratings, red stars Initializing services services with istio sidecar without reviews-v2 2) Deploy bookinfo gateway 3) Deploy reviews-v2 service without istio sidecar （ kubectl label namespace default istio-injection=disabled/enabled ） Initializing services with istio sidecar without reviews-v2 2) Deploy bookinfo gateway 3) Deploy reviews-v2 service without istio sidecar （ kubectl label namespace default istio-injection=disabled/enabled ） http

>(enum_value)  E.g.: enum class Color : uint32_t { Red = 0xff0000, Green = 0x00ff00, Blue = 0x0000ff }; Color r { Color::Red }; auto value1 { static_cast>(r)

than SW channels • Core count >2 shows advantage From the Pictures: • SW channels depicted in red and yellow line drop with the core count increasing because of data race among Ps and Cs. • DLB channel

padding-bottom o padding-left o visibility o opacity Supported Selectors o Element Type o button { color: red; } o Class o .mybutton { color: green; } o ID o #myButton { color: #f7f7f7; } Sass & LESS o Use

Zookeeper-2 Zookeeper-1 Replica Service Load Balancer Service Shard 1 Replica 2 Shard 2 Replica 1 Shard 2 Replica 2 Replica Service Replica Service Replica Service User Config Map Common Config Running NAME TYPE CLUSTER-IP service/chi-demo-01-demo-0-0 ClusterIP None service/clickhouse-demo-01 LoadBalancer 10.98.143.187 NAME TYPE CLUSTER-IP service/chi-demo-01-demo-0-0 ClusterIP None service/chi-demo-01-demo-1-0 ClusterIP None service/clickhouse-demo-01 LoadBalancer 10.98.143

Zhiguohong (honkiko@github) Bypassing conntrack: Optimizing K8s Service By Enhancing IPVS with eBPF Agenda 目录 01 Problems with K8s Service How to optimize 02 Comparison with industry Performance measurement measurement 03 04 Future work 05 06 Lessons from eBPF What is K8s Service • It exposes a set of pods via VIP using a load balancer • Two types • ClusterIP provides in-cluster access • NodePort not use DPDK? • DPDK performs busy polling even when network is idle. • Why not use a pure eBPF service? • Not mature enough eBPF brief • Write C • Compile into eBPF assembly code • Inject to kernel

• clicktail –c /etc/clicktail/clicktail.conf • To See how it works • service clicktail start • To run as a service © 2018 Percona. 15 MySQL Logs Primer General Query Log Binary Log –server pmm.your-domain.com • pmm-admin add linux:metrics • pmm-admin add external:service clickhouse --interval 10s --service-port=9116 © 2018 Percona. 40 Use Advanced Data Exploration Dashboard © 2018