PostgreSQL provides different ways to backup and restore your databases. With PostgreSQL, backups can be full, incremental or continuous, and they can be at logical or filesystem level. Point-in-time recovery is possible from incremental backups. PostgreSQL even supports a feature calledtimelines, ...
postgreSQL备份从数据形态上分为逻辑备份和物理备份。 PostgreSQL 9的流复制是基于WAL日志的物理复制,其原理是主库不间断地发送WAL日志流到备库,备库接收主库发送的WAL日志流后回放WAL; PostgreSQL10版本中增加了一个新特性,即逻辑复制(Logical Replication)。逻辑复制是基于逻辑解析(Logical Decoding),其核心原理是主...
Granular control:An advantage of utilizing logical backups in PostgreSQL is having control over the backup process at a granular level. By customizing the backup format and options, complex data structures can be backed up efficiently while ensuring that specific data is included. Furthermore, logica...
Using pg_dump, you can backup a local database and restore it on a remote database at the same time, using a single command. In this article, let us review several practical examples on how to use pg_dump to backup and restore. For the impatient, here is the quick snippet of how b...
PostgreSQL 逻辑备份, 指在线备份数据库数据, DDL以SQL语句形式输出, 数据则可以以SQL语句或者固定分隔符的形式输出. 备份时不影响其他用户对备份对象的DML操作. 本文主要介绍一下PostgreSQL提供的逻辑备份工具pg_dump, pg_dumpall, 以及数据库的COPY命令.
Azure Database for PostgreSQL - Flexible Server Overview Release notes API release notes CLI release notes Try for free Quickstarts Create server instance and database Connect and query Database deployment Concepts Servers Supported versions Compute ...
Moving files to PostgreSQL is most efficient when the spool path is on the same filesystem as pg_xlog / pg_wal . The data stored in the spool path is not strictly temporary since it can and should survive a reboot. However, loss of the data in the spool path is not a problem. ...
The backup and restore operations using the PostgreSQL are well documented for the in-built options of PostgreSQL. Follow these steps to make a base backup from PostgreSQL options: pg_dump pg_dump can generate an sql file that can be fed back to the server using any SQL client that can co...
In this blog, you will learn how to backup and restore a PostgreSQL database. Enjoy! 1. Introduction Some time ago, I needed to backup a PostgreSQL database from a production server in order to be able to fix a problem which was difficult to reproduce in the test environment. It appeare...
postgresql:9.1.22 base backup 最初使用 tar 花费4个小时,之后改为 pigz 只花费了30分钟。 # vi /backup_scripts/pg_basebackup.sh#!/bin/bashDATE=`date+%Y%m%d`#删除14天前的物理备份echo"###"echo"delete expire base backup start...`date` \n"find /backup/* -mtime +14 -not -wholename"*lo...