Автор выбрал организацию Open Sourcing Mental Illness для получения пожертвований в рамках программы Write for DOnations. Транзакция MySQL представляет собой группу логически связанных команд SQL,…
In this article, we will go over the specific features of a high-availability application setup and discuss its components at a high level. At the end of each section, we’ll link out to additional resources on the topic to support you as you consider methodologies and best practices.
The relational model is an abstract model used to organize data within a database. In order to control access to a database, write data, run queries, or perform any other tasks related to database management, a database management system must have some kind of underlying model that defines how…
O Benchmarking é uma prática importante quando se trata de analisar o desempenho geral dos servidores de banco de dados. É útil para identificar gargalos e oportunidades de melhoria nesses sistemas. O Redis é um armazenamento de estrutura dados em memória…
If you are actively developing an application, Docker can simplify your workflow and the process of deploying your application to production. This tutorial will show you how to set up a development environment for a Node.js application using Docker. You will create two containers — one for the Node application and another for the MongoDB database — with Docker Compose. At the end of this tutorial, you will have a working shark information application running on Docker containers.
MySQL physical backups can be performed in a variety of ways, each with its own set of tradeoffs. In this tutorial we take a physical backup of a running MySQL database using LVM’s snapshot feature and compress and ship the backup files to object storage for long-term storage.
In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three Debian 10 Droplets that will act as nodes in the cluster. MariaDB is an open source relational database system that is fully compatible with the popular MySQL RDBMS system. Galera is a database clustering solution that enables you to set up multi-master clusters using synchronous replication.
Melissa Anderson escribió una versión anterior de este tutorial. MongoDB, también conocido como Mongo, es una base de datos de documentos de código abierto usada comúnmente en…
This tutorial will show you how to perform a full hot backup of your MySQL or MariaDB databases using Percona XtraBackup on CentOS 7. The resulting database backup can then be backed up to a remote location using rsync, a backup system like Bacula, or the cloud provider backups. The process of restoring the database from a backup is also covered.
Neo4j is a graph database that records relationships between data nodes, whereas traditional relational databases use rows and columns to store and structure data. Since each node stores references to all the other nodes that it is connected to, Neo4j…
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