postgresql multi master replication

The following is a look at mariadb multi-source replication (mariadb Multi-master replication) example, I hope to help you.MARIADB multi-source Replication (mariadb

MARIADB multi-source Replication (mariadb Multi-master replication)Multi-master replication is added to the mariadb-10.0. Modified syntax:t

Use Bucardo5 to implement master database replication of PostgreSQL, bucardo5postgresql The next generation of asynchronous primary database replication system Bucardo 5 is released. This version removes the restrictions on two database sources in the old version, allowing more source databases (Primary databases) and

one of the ways that PostgreSQL master-slave replication is implemented:Standby-based asynchronous stream replication, which is a nice feature provided after the postgresql9.x version (2010.9), similar functionality is available in Oracle after 11g for active dataguard and SQL Server Log shipping provided after version

Tags: MCT multi log-error including common middleware CTI creat host nameIn this article, I demonstrate how to configure the MySQL group replication multi-Master model (multi-primary). In the configuration, the group replication a

ObjectiveSimply record one of the implementations of PostgreSQL master-slave-asynchronous stream replication based on standby, This is a nice feature that is provided after the postgresql9.x version (2010.9), similar to the log shipping that is provided after the active Dataguard and SQL Server 2012 versions of Oracle are available after 11g, Here again for PG ap

First, Mysql 5.6 new features....Improvements to replication features⒈ supports multi-threaded replication, (slave-parallel-workers=0 0: Disables multithreading;) it actually turns on the corresponding independent thread for each database. That is, each library has a separate (SQL thread), if the online business, only one database or most of the pressure on the i

user "Postgres".master=# \dList of relationsSchema | Name | Type | Owner--------+-----------+-------+----------Public | SYNCTAB01 | Table | Postgres(1 row)master=#master=# SELECT * from SYNCTAB01;ID | Note----+------(0 rows)master=#master=# INSERT INTO SYNCTAB01 values (1,

Tags: PostgreSQL database backup CentOSToday, Pg_basebackup is used to build a master and Standby flow replication environment, the operation process is simple, can be operated online, quite convenient. Environment are CentOS6.6 + postgresql9.4, I use the installed library to do the test, the port is inconsistent, does not affect the environment to build, but pay

Tagged: Server server multithreading MySQL styleGtid,global Transaction Identifiers, the global transaction identifier consists of a unique identifier for the server's UUID and transaction ID number. After MySQL 5.6, the transaction header records the server UUID, which is very simple to track.Uuiduniversally unique Identifier, globally unique identifier. A is master,b, C is slave, and when a goes down, B becomes new

WHERE in_use = 1;UPDATE mysql. rotate_master SET in_use = 1, repeated_times = 1 WHERE id = _ id;ELSEUPDATE mysql. rotate_master SET 'repeated _ times '= 'repeated _ times' + 1 WHERE in_use = 1;End if;Start slave;END $DELIMITER; Create Event:Run once every 2 minutes, rotate_master (), that is, the size of the time slice is 2 minutesCopy codeThe Code is as follows: DELIMITER $Create event 'rotate _ master' on schedule every 120 SECOND starts' 2011-10-1

Tags: mysql mariadb master-slave replication multi-instance MySQL master-slave replicationMySQL Multi-instanceMySQL multi-instance, simple to understand is on a server, the MySQL service to open a number of different ports (such a

Multi-Master Replication Using Rotate master: As we all know, MySQL only supports one-to-many Master-to-slave replication, but does not support multi-

Of course, the appearance of the 5.6 GUID feature also brings the infinite possibility of multi-master, but this is the digression. This paper mainly introduces a kind of multi-master method which is applicable to every version of MySQL in real time. Content Introduction: The original idea came from the blog:http://the

Master_user= ' stemp ', master_password= ' 123456 ' for CHANNEL ' group_replication_recovery '; INSTALL PLUGIN Group_replication SONAME ' group_replication.so '; set global group_replication_allow_local_disjoint_gtids_join=on; START group_replication;Other main executions:INSTALL PLUGIN group_replication SONAME ' group_replication.so '; START group_replication;To view node information:SELECT * from Performance_schema.replication_group_members;Modify node information online:Global group_replicat

Mysql multi-instance installation and master-slave replication configuration 1. mysql multi-instance installation 1) configuration file # cat/etc/my. cnf. multi [mysqld_multi] mysqld/usr/bin/mysqld_safe // mysqld path mysqladmin/usr/bin/mysqladmin // mysqladmin path u... Mys

Mysql multi-instance installation and master-slave replication Configuration1. mysql multi-instance installation1) configuration file# Cat/etc/my. cnf. multi[Mysqld_multi]Mysqld =/usr/bin/mysqld_safe // mysqld pathMysqladmin =/usr/bin/mysqladmin // mysqladmin pathUser = root

mariadb Introduction MARIADB is a branch versionof MySQL, MARIADB's biggest feature is to replace MyISAM 's aria engine and multi-master replication capabilities, and so on. In this document, we mainly introduce multi-master replic