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

expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.6.5 Extracting data from text file table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 2.4.4 Searching on the package meta data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 2.5 Debian package management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 2.5.1 Archive meta data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Référence Debian xiii 9.8.2 Manipulation des fichiers sans monter le disque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 7.9 Liste de programmes en rapport avec la manipulation du presse-papiers « caractères » . . . . . . . . . . . . . . . 135 8.1 Liste des paquets IBus -l » avec la valeur de style pour l’heure . . . . . . . . . . . . 149 9.6 Liste des outils de manipulation d’images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 9.7

applications Data Storage • Easy to upgrade and downgrade • User data stored in home directory • Easy to migrate and replicate user data and configuration to another computer • User data saved in multiple are proprietary software which incur a license fee. Figure 1.6. Desktop Customisation Data Storage: User data is often located in multiple locations in Microsoft Windows, which can make backing up and place - the home directory. This makes the migration of data from an old computer to a new one easy, as well as keeping user specific backup data separate. 12 Chapter 1. Introducing Ubuntu Ubuntu Desktop

. . . . . . . . 235 11.6.1 Graphic data tools (metapackage) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 11.6.2 Graphic data tools (GUI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 11.6.3 Graphic data tools (CLI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 11.7 Verschiedene von Binärdaten . . . . . . . . . . . . . . . . . . . . . . . . . 183 9.22 Liste von Paketen zur Manipulation von Dateien ohne Einbinden der Festplatte . . . . . . . . . . . . . . . . . . 184 9.23 Liste

.............................................................................. 50 Monitoring the Data Usage ........................................................................................... using the following settings. Serial Console Port Settings Baudrate 115200 bps Parity None Data bits 8 Stop bits 1 Flow Control None Terminal VT100 Below we show how to use the terminal Moxa Industrial Linux 3.0 (Debian 11) Manual for Arm-based Computers 20 Using LAN2 to download data. Do you want to change the ip address? 0 - No, 1 - Yes(0-1, Enter to abort):1 Local IP Address

........................................................................................... 55 5. Data Plane Development Kit ........................................................................... options available. 1.3. Backing Up • Before installing Ubuntu Server Edition you should make sure all data on the system is backed up. See Chapter 19, Backups [p. 323] for backup options. If this is not the installation progress will begin. It will not be possible to move back to this or previous screens and any data on the disks you have configured the installer to use will be lost. 4 http://www.ubuntu.com/down

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 2.6.2 Caching errors of the package data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 2.6.3 Incompatibilidade . . . . . . . . . . . . . . . . . . . . . . . . . . 151 9.3.4 Amostragem personalizada de hora e data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 9.3.5 Echo de shell colorido . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 11.2.4 The XML data lint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

COLLABORATORI TITOLO : Debian Reference AZIONE NOME DATA FIRMA A CURA DI Osamu Aoki 30 giugno 2024 CRONOLOGIA DELLE REVISIONI POSIZIONE DATA DESCRIZIONE NOME Debian Reference iv Indice 1 Tutorial sistema per l’esecuzione di particolari comandi . . . . . . . . . . . . . . 12 1.9 Elenco dei tipi di data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . attributi ad esso associati come l’utente che lo possiede (proprietario), il gruppo a cui appartiene, la data dell’ultimo accesso ad esso, ecc. L’idea di rappresentare praticamente tutto nel file system è stata

gigabytes Perform a system back up Before installing Ubuntu Server Edition you should make sure all data on the system is backed up. If this is not the first time an operating system has been installed storage configuration screen will install Ubuntu onto the selected disk, replacing any partitions or data already there. You can choose whether or not to set up LVM, and if you do, whether or not to encrypt Type 'exit' to return. You may run 'pb-sos' to gather diagnostic data Notice: In case one needs to gather system details and diagnostic data for IBM support, this can be done here by running ‘pb-sos’ (see