Master slave mysql

MySQL replication is a process that allows you to easily maintain multiple copies of a MySQL data by having them copied automatically from a master to a slave database. This can helpful for many reasons including facilating a backup for the data,a way to analyze it without using . It is usually used to spread read access on multiple servers for scalability, although it can also be used for other purposes such as for failover,. Before creating a data snapshot or starting the replication process, on the master you should record the current position in the binary log.

You need this information when configuring the slave so that the slave knows where within the binary log to start executing events. The SHOW SLAVE STATUS statement, which you must execute on each slave , provides information about the configuration and status of the connection between the slave server and the master server.

Performance Schema has replication tables that provide this information in a more accessible form. For more information about GTIDs and GTID-based replication in MySQL , see Section 16. This differs from Master - Master replication, in which data can be updated by any authorized contributor of the group.

This article provides steps for setting up MySQL master - slave database replication between two cloud servers. Replication with Global Transaction Identifiers”. The operating system used for the examples in the article is CentOS built . By selective, I am referring to only having one or a few databases that are replicated from the master database to the slave.

Implementing Master - Slave replication (also known as mirror) is really important to prevent data loss, increase performance, support database backup and as one of the solutions to alleviate system failures.

What will you do if your database server crashed? To give you an idea on what . In this tutorial we will cover the steps needed to setup master slave replication in MySQL on your CentOS 6. Debian or Ubuntu platform. GitHub is where people build software.

So, I decided to write one now. Of course, there are many aspects of MySQL replication, but my main focus will be the logistics – how replication events are written on the master , how they are transferred to the replication slave and then how they are applied there. In my last article, I took you through Phase of setting up the MySQL Master - Slave relationship. Now, we have the Master SQL Server running and serving our clients, which connect using remote IPs. Also, the Master has a replication server id (e.g. “100”) and waits for the Slave connections with a user that . This process allow you to have a slave database replicated with the master one.

As with Oracle, the master is the primary and the slave is the standby. The process is redo transport too. Check out my post GTID In Action for .