We are installing the same by using the apt command.Ģ. In the first step we are installing the redis on both the master and slave databases. In the below example, we define one master and two slave servers as follows.ġ. To setup master slave replication, we need to follow below steps as follows: How to Setup Redis Master Slave Installing? Also, the slave database handles the read query request which comes from the client. The replication architecture is non-blocking, we can say that master will operate at the time the slave database will sync the data. As we know that redis is an in-memory data structure used to implement non-relational databases of key value. If any slave server goes down then another slave server read the request which comes from the client. While choosing the second approach existing slave contains all the data, after connecting to the new slave as a master all the data again replicates to the old master.Īll the redis slave contains the latest data which was changed on the master server. In the below diagram, we have two choices while creating the new master replication, either we add a new machine to the redis master or make the existing redis slave a master server. In redis master slave replication is done async way.īelow figure shows redis master slave architecture as follows: In redis one master is replicating data on one or multiple slave servers. Redis has recommended executing the write query on the master and read query on the slave server. We can configure which mode is for reading and which is for writing. Redis server is running by using the following two modes as follows. Redis Master Slave Architectureīasically, it is based on the master slave architecture. In the above figure, we can see that we have defined two masters and two slaves while reading data, the client connects to the slave and master, but while writing data client connects to the master server only. In the below example we can see that it will contain two master and two slave servers. The below example shows that master slave multiple replications by using multiple masters as follows. Running analytics and BI query – We are running BI and analytics query on the slave server, without disrupting the master server.īelow is the sample diagram of master slave replication which contains a single master and multiple slave servers.īasically, the master slave is a method used to replicate the database from one server to another server.We can create a backup on the slave server without disrupting any transaction on the master server. Backup creation – Backup creation is very simple.We can divide the read and write load into multiple slave servers. Performance – By creating the master and slave server we can improve the performance of our application.The master slave multiple replications will define the below features as follows. When any write operation is done on the master server same time it will be replicated on all the slave servers. The single master will replicate the data across three slaves at the same time. In the below figure, we can see that we have only one master and we have created three slaves. Redis is simple there are multiple types of tools to manage the master slave’s multiple replications. Redis allows the high availability of data served with minimal intervention. The architecture is known computing paradigm which contains one device to process and control the multiple subordinate or processes. It is an important technique to ensure the performance and availability of the data. It will generally be in a pairs and the master will replicate data to the slave. In master, the slave client is reading and writing the master and it will only read the data from the slave. In case the master is not reachable then the slave of the server takes place of the master server. In the same way, we are spreading multiple data centers.At the time of creating master slave multiple replications, we know that several redis servers will need to deploy.It is very good practice to enable the persistence options for the node of a master slave. Redis supports the cascading type of replication, so our slave connects to another slave. The slave will acknowledge the received data sent by the master node and the master node will contain multiple slaves. Redis master slave uses the asynchronous method for transferring the data from master to slave.
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