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Asynchronous Replication Automatic Failover in MySQL 0 (0)

Asynchronous Replication Automatic Failover in MySQL MySQL 8.0.22 supports an asynchronous connection failover mechanism. This feature allows a replica/slave to automatically failover to a new source/master, in case its existing source/master fails. When the existing connection source/master fails, the replica first retries the same connection for the number of times specified by the MASTER_RETRY_COUNT. The […]

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How to Setup MySQL Master-Master Replication (Circular Replication) 0 (0)

How to Setup MySQL Master-Master Replication (Circular Replication) Master-Master Replication (Circular Replication) also known as ring topology in MySQL, this setup requires two or more MySQL servers which act as a master. All masters receive writes and generate binlogs. Below points should be considered while doing the master-master setup. You need to set an auto-increment […]

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Multiplexing of Control Files Using RMAN, SPFILE & PFILE in Oracle 0 (0)

Multiplexing of Control Files Using RMAN, SPFILE & PFILE in Oracle Here we are going to demonstrate multiplexing of Control Files in Oracle using available options SPFILE, PFILE & RMAN. Before moving ahead first we will have a basic understanding of Control Files in Oracle. Control File is a physical file on OS level and […]

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MySQL Multi-Source Replication – GTID Based Sources 0 (0)

MySQL Multi-Source Replication – GTID Based Sources In this blog post, we will see How to setup MySQL Multi-Source Replication – GTID Based Sources. For this demonstration, we will be using the below configuration. We have already set up 2 mysql instance in test-machine01 server running on port 3306 (Server_ID : 1) & 3307 (Server_ID […]

 147 Total Views,  4 Views Today

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Step by Step Physical Standby Database Creation in Oracle 4.7 (3)

Step by Step Physical Standby Database Creation in Oracle Data Guard is used for disaster recovery and high availability. Due to any disaster, if our PRIMARY database got crash so, in that case, our STANDBY may become our PRIMARY database. Here, our client requirement, we need to create a STANDBY database using RMAN backup. Below […]

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Create MySQL Instance Replica using Clone Command 0 (0)

Create MySQL Instance Replica using Clone Command MySQL 8 has recently released clone plugin which makes cloning process very easy and handy to perform. In this blog we will see How to install and perform clone of mysql instance. I will clone complete mysql instance server_id 3 into server_id 4, Please note in server_id 4 […]

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MySql Semisynchronous Replication 0 (0)

MySql Semisynchronous Replication In the previous blog, we saw How to create MySql GTID-based Master Slave Replication – Single DB, Click here to read more. We will use the same configuration to convert it from asynchronous to semisynchronous. MySQL replication by default is asynchronous. MySQL 8.0 supports an interface to semisynchronous replication that is implemented by plugins. Step 1. […]

 115 Total Views,  1 Views Today

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Step by Step Oracle Database Upgrade from 11g (11.2.0.4) to 12c (12.2.0.1) 5 (2)

Step by Step Oracle Database Upgrade from 11g (11.2.0.4) to 12c (12.2.0.1) using DBUA Here we are going to demonstrate step-by-step Oracle database upgrades from 11.2.0.4 to 12.2.0.1, same steps can be followed to upgrade to 12.1.0.2 as well. List of target upgrade version from supported source version, data source support.oracle.com. Target DB Version Source […]

 255 Total Views

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MySQL Master Slave Switchover 0 (0)

MySQL Master Slave Switchover In the previous blog, we saw How to create MySql GTID-based Master Slave Replication – Single DB Click here to read more. We will use the same configuration to perform Switchover between Master & Slave. Current Configuration. Host name IP Role Server ID Installation Link test-machine01 192.168.114.170 Master 1 Click Here test-machine012 […]

 110 Total Views

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Identity key store file not found in Weblogic 0 (0)

Identity key store file not found weblogic.nodemanager.common.ConfigException In this post, we are going to demonstrate how to fix the issue of Identity key store file not found weblogic.nodemanager.common.ConfigException. When we tried to start node manager, we encounter the below error. The cause of this issue is because the DemoIdentity.jks is not generated at the time […]

 170 Total Views,  2 Views Today

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