Glossary - Glosarix

RBD

RBD, which stands for 'RADOS Block Device', is a fundamental component of the Ceph storage system. This block device allows users to create and manage block devices from objects stored in the RADOS…

RBD CLI

The RBD CLI (RADOS Block Device) is a command-line interface designed to manage block images in a Ceph cluster. Ceph is a distributed storage system that provides block, object, and file storage…

RBD Clone

An RBD (RADOS Block Device) clone is a copy of an RBD image that shares the same underlying data. This means that while the clone acts as an independent image, it is actually based on the same data…

RBD Image

An RBD (RADOS Block Device) image is a type of virtual disk created from objects stored in the distributed storage system Ceph. This approach allows data to be efficiently distributed and managed as…

RBD Image Format

The RBD (RADOS Block Device) image format is a structure and specification used in distributed storage systems. This format allows the creation and management of virtual block devices that can be…

RBD Resize

The process of resizing a RADOS Block Device (RBD) image in Ceph involves modifying the size of a block device used in distributed storage environments. RBD is a key feature of Ceph, an open-source…

RBD Snapshots

RBD snapshots are a fundamental feature in distributed storage systems that allow users to create time-stamped copies of block images, meaning that the state of a data block can be captured at a…

Operating systems

RC

RC (Run Commands) is a script that runs at startup to configure the system. In the context of Unix-like operating systems, RC refers to a set of scripts used to start and stop system services. These…

Rclone

Rclone is a command-line program designed to manage files in cloud storage. Its main function is to facilitate synchronization, copying, and management of data between different cloud storage…

Mathematics and statistics

RCON, which stands for 'Remote Console', is a protocol that allows remote access to a server's console, facilitating efficient system management and control. This method is especially used in various…

Rcond

The reciprocal of the condition number of a matrix, known as 'Rcond' in Numpy, is a measure that indicates the numerical stability of a matrix in mathematical operations. In more technical terms, the…

Software development

RCS

RCS, or Revision Control System, is a software tool designed for version control of files. Its main function is to manage and track changes made to documents and source code over time. RCS allows…

Artificial intelligence

RCS Chat

RCS Chat (Rich Communication Services) is a messaging service that uses Rich Communication Services to provide an enhanced chat experience on mobile devices. Unlike traditional SMS messages, which…

RCS Messaging

RCS (Rich Communication Services) messaging is a messaging protocol that enhances traditional SMS with additional features. Unlike conventional text messages, RCS allows for the sending of larger…

RDBMS

RDBMS (Relational Database Management System) is a type of database management system that stores data in a structured format, using rows and columns. This approach allows for organizing information…

RDD

The RDD, or Resilient Distributed Dataset, is one of the fundamental data structures in Apache Spark, designed to facilitate the processing of large volumes of data in a distributed and…

RDD Cache

RDD (Resilient Distributed Dataset) caching in Apache Spark is a fundamental mechanism that allows datasets to be stored in memory for faster access during the execution of iterative algorithms. This…

RDD Lineage

The lineage of RDD (Resilient Distributed Dataset) in Apache Spark refers to the sequence of transformations applied to data to create an RDD. This concept is fundamental to understanding how Spark…

RDD Operations

RDD Operations (Resilient Distributed Datasets) in Apache Spark are a set of actions and transformations that allow for efficient manipulation and processing of distributed data. An RDD is an…

RDD Partitioning

The partitioning of RDD (Resilient Distributed Dataset) is a fundamental process in distributed computing frameworks like Apache Spark that involves dividing an RDD into multiple partitions to…

RDE

RDE, or Remote Desktop Environment, is a system that allows users to connect to a computer remotely. This type of technology facilitates access to a complete operating system desktop, enabling users…