from the Data Deluge? A case for file filtering in eBPF Giulia Frascaria October 28, 2020 1 The data deluge on modern storage 2 Compute node CPU Network Storage node Flash The data deluge on on modern storage 3 Compute node 3 CPU Network Storage node Flash 16-lane PCIe, 16GB/s 64 SSDs, 128GB/s 8x throughput gap https://cacm.acm.org/magazines/2019/6/237002-programmable-solid-state-stora CPU Network Storage node Flash Data DoS in reverse! 11 Compute node CPU Network Storage node Flash Data So similar yet so different ● DoS is malicious ● Data transfer is business-critical ● We

3.Linux系统基础操作 主 讲 人 ： 古 月 Ubuntu常用软件 文件管理器 Ubuntu常用软件 软件中心与软件源配置 Ubuntu常用软件 应用程序 Ubuntu常用软件 终端（快捷键Ctrl+Alt+T） Linux中最重要的操作方式——命令行 ➢ ➢ ➢ ➢ 命令行使用基础 ➢ • • ➢ • • 命令行使用基础 ➢ • • ➢

Technical White Paper 2 openEuler 21.09 Technical White Paper openEuler 21.09 Technical White Paper 3 Scenario-Specific Innovations 19 Introduction 02 Platform Architecture 05 Operating Environments evaluation, and various development tools such as secPaver, to simplify security configuration. Data center Cloud native Edge HPC Embedded/Industrial … CPU: x86, ARM, RISC-V DPU NPU Media Bus Server fedora 29 qemu 3.0.0-1.fc29 libvirt 4.7.0-1.fc29 • fedora 32 qemu 4.2.0-7.fc32 libvirt 6.1.0-2.fc3 Edge Devices To install openEuler on an edge device, check that the edge device meets the compatibility

Audience and Pre-requisites ........ viii 2. Student Responsibilities .......................... ix 3. Ubuntu Session Plan ................................ x 4. Instructor Responsibilities ............ ..... 3 1.2.1. The Free Software Movement ........................................................... 3 1.2.2. The Open Source Movement and Linux ........................................... 3 1.3. About ................................. 43 2.8. Lab Exercise ...................................... 44 3. Using the Internet .......................................... 45 3.1. Connecting to and Using the Internet

. . . . . . . . . . . . . . . . . . . . 3 1.1.5 GUI system administration tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.6 Virtual consoles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.7 How to leave the command prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.8 How to shutdown the system . . . . expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.6.5 Extracting data from text file table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

005 Community-certified openEuler Distributions 006 openEuler Open Source OS Architecture 007 3 Scenario-specific Innovations 008 Server 009 DPUDirect 009 eNFS 011 HPCRunner 013 WayCa Scheduler mainline versions LTS LTS SP1 SP1 SP2 SP2 SP3 SP3 Information Technology Technology Communication 10,000 + mainstream applications on cloud native, big data CND, MEC, industrial control,etc. Integrated maintenance status. Software Package Repositories EPOL Image EUR/oepkgs/... Desktop/SDS/ DB/Big data/... kernel/glibc/ system/GCC/... Core/Base package repository Software package repository of the

Versions Upgrading Minor Versions Step 3: Rolling Back Version Specific Notes Advanced Configuration Network Policy Policy Enforcement Modes Rule Basics Layer 3 Examples Layer 4 Examples Layer 7 Examples stronger security isolation by operating at the HTTP-layer in addition to providing traditional Layer 3 and Layer 4 segmentation. The use of BPF enables Cilium to achieve all of this in a way that is highly modern application protocols such as REST/HTTP, gRPC and Kafka. Traditional firewalls operates at Layer 3 and 4. A protocol running on a particular port is either completely trusted or blocked entirely. Cilium

Version Specific Notes Advanced Configura�on Network Policy Policy Enforcement Modes Rule Basics Layer 3 Examples Layer 4 Examples Layer 7 Examples Kubernetes Endpoint Lifecycle Troubleshoo�ng Monitoring & provide stronger security isola�on by opera�ng at the HTTP-layer in addi�on to providing tradi�onal Layer 3 and Layer 4 segmenta�on. The use of BPF enables Cilium to achieve all of this in a way that is highly modern applica�on protocols such as REST/HTTP, gRPC and Ka�a. Tradi�onal firewalls operates at Layer 3 and 4. A protocol running on a par�cular port is either completely trusted or blocked en�rely. Cilium

Tutorials 2 Core tutorial 3 installation Basic installation 3 install/general How to operate the server installer 3 install/step-by-step Screen-by-screen installer guide 3 install/storage Configuring Next steps 3 install/subscription Attach your Ubuntu Pro subscription 3 install/reporting-problems Report a problem with the installer 0 1 how-to How-to guides 2 Advanced installation 3 install/netboot-amd64 netboot install 3 install/netboot-arm64 arm64 netboot install 3 install/netboot-ppc64el ppc64el netboot install 3 install/ppc64el Virtual CDROM and Petitboot on ppc64el 1 Level Path Navlink 3 install/s390x-zvm

check (Required) Upgrading Cilium Step 3: Rolling Back Version Specific Notes Advanced Configuration Network Policy Policy Enforcement Modes Rule Basics Layer 3 Examples Layer 4 Examples Layer 7 Examples stronger security isolation by operating at the HTTP-layer in addition to providing traditional Layer 3 and Layer 4 segmentation. The use of BPF enables Cilium to achieve all of this in a way that is highly modern application protocols such as REST/HTTP, gRPC and Kafka. Traditional firewalls operates at Layer 3 and 4. A protocol running on a particular port is either completely trusted or blocked entirely. Cilium