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The main classes of Docker objects are images, containers, and services. [22] A Docker container is a standardized, encapsulated environment that runs applications. [25] A container is managed using the Docker API or CLI. [22] A Docker image is a read-only template used to build containers. Images are used to store and ship applications. [22] A ...
Proxmox allows deployment and management of virtual machines and containers. [ 7 ] [ 8 ] It is based on a modified Debian LTS kernel. [ 9 ] Two types of virtualization are supported: container-based with LXC (starting from version 4.0 replacing OpenVZ used in version up to 3.4, included [ 10 ] ), and full virtualization with KVM .
The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices.It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots.
In computer science and data management, a commit is the making of a set of tentative changes permanent, marking the end of a transaction and providing Durability to ACID transactions. A commit is an act of committing.
Data ONTAP also implements an option named RAID SyncMirror (RSM), using the plex technique, where all the RAID groups within an aggregate or traditional volume can be synchronously duplicated to another set of hard disks. This is typically done at another site via a Fibre Channel or IP link, or within a single controller with local SyncMirror ...
A 2018 survey of Docker usage found that Nginx was the most commonly deployed technology in Docker containers. [16] In OpenBSD version 5.2 (November 2012), Nginx became part of the OpenBSD base system, providing an alternative to the system's fork of Apache 1.3, which it was intended to replace, [ 17 ] but later in version 5.7 (November 2014 ...
Define a "wait for vote to commit" graph as a directed graph with transactions as nodes and a directed edge from any first transaction to a second transaction if the first transaction blocks the vote to commit of the second transaction (opposite to conventional edge direction in a wait-for graph). Such blocking happens only if the second ...
Copy-on-write (COW), also called implicit sharing [1] or shadowing, [2] is a resource-management technique [3] used in programming to manage shared data efficiently. Instead of copying data right away when multiple programs use it, the same data is shared between programs until one tries to modify it.