North-South Load Balancing of Kubernetes Services with eBPF/XDP Martynas Pumputis (Isovalent) October 28, 2020 10.0.0.1 10.0.0.2 10.0.0.3 httpd httpd “httpd” service 10.0.0.1:30000 10.0.0.2:30000 ACCEPT -A KUBE-SERVICES -d 10.99.38.155/32 -p tcp -m comment --comment "default/nginx-59: has no endpoints" -m tcp --dport 80 -j REJECT --reject-with icmp-port-unreachable -A KUBE-SERVICES -d 10.96.61.252/32 icmp-port-unreachable -A KUBE-SERVICES -d 10.104.166.10/32 -p tcp -m comment --comment "default/nginx-67: has no endpoints" -m tcp --dport 80 -j REJECT --reject-with icmp-port-unreachable -A KUBE-SERVICES -d 10.98.85.41/32

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 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 12 So similar yet so different ● DoS is malicious ● Data transfer is business-critical ● We can blindly drop DoS 13 But could we reduce data transfer size? eBPF filter-reduce 14 Filter Reduce input

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278 7. IT services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level a fast reaction to server problems. Zabbix offers excellent reporting and data visualisation features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 7. IT services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level a fast reaction to server problems. Zabbix offers excellent reporting and data visualisation features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 7. IT services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level parameters of a network and the health and integrity of servers, virtual machines, applications, services, databases, websites, the cloud and more. Zabbix uses a flexible notification mechanism that allows

from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level parameters of a network and the health and integrity of servers, virtual machines, applications, services, databases, websites, the cloud and more. Zabbix uses a flexible notification mechanism that allows a fast reaction to server problems. Zabbix offers excellent reporting and data visualization features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling

Information Technology Technology Communication 10,000 + mainstream applications on cloud native, big data CND, MEC, industrial control,etc. Integrated ecosystems and extensive compatibility through distributed 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 enablement Linux kernel x86, Arm, RISC-V GPU NPU Real-time kernel Security kernel Database Big data Resource orchestration Desktop system Industrial application ... ... openEuler OpenHarmony / DSoftBus

to set up Zabbix to monitor your environment, from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. Service parameters of a network and the health and integrity of servers, virtual machines, applications, services, databases, websites, the cloud and more. Zabbix uses a flexible notification mechanism that allows a fast reaction to server problems. Zabbix offers excellent reporting and data visualization features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling

from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level a fast reaction to server problems. Zabbix offers excellent reporting and data visualisation features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling single package. Data gathering • availability and performance checks • support for SNMP (both trapping and polling), IPMI, JMX, VMware monitoring • custom checks • gathering desired data at custom intervals

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463 15 Data export . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . to set up Zabbix to monitor your environment, from setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. Service parameters of a network and the health and integrity of servers, virtual machines, applications, services, databases, websites, the cloud and more. Zabbix uses a flexible notification mechanism that allows