How master slave works in Jenkins?

Jenkins Master and Slave Architecture

1. The Jenkins master acts to schedule the jobs, assign slaves, and send builds to slaves to execute the jobs.
2. It will also monitor the slave state (offline or online) and get back the build result responses from slaves and the display build results on the console output.

How do I create a Jenkins slave?

To set up slaves/nodes in Jenkins follow the steps given below.

1. Step 1 − Go to the Manage Jenkins section and scroll down to the section of Manage Nodes.
2. Step 2 − Click on New Node.
3. Step 3 − Give a name for the node, choose the Dumb slave option and click on Ok.
4. Step 4 − Enter the details of the node slave machine.

How do you master slave configuration?

1. Setting Up The Master. The first thing you need to accomplish in the replication process is to install and configure the master server.
2. Create A New User For Slave.
3. Move Data From Master To Slave.
4. Configure Slave Server.
5. Import Data Dump.
6. Start Slave Server.
7. Test MySQL Master Slave Replication.

Can a master and slave reside on the same machine in Jenkins?

1 Answer. Your jenkins master node can run builds and works as an slave too.

What is Jenkins Jenkins slave 1?

Jenkins Slave. A slave is a Java executable that runs on a remote machine. The characteristics of the slave are : It hears requests from the Jenkins Master instance. Slaves can run on a variety of operating systems.

How do you check if Jenkins slave is running?

Basic usage. Visit a url like http:“//myslave:3141 to see whether a slave is running and how much memory it is using. Configure the port used by clicking Manage Jenkins on the dashboard.

How do I get Jenkins slave online?

Managing Jenkins master and slave nodes

1. On the Jenkins dashboard, go to Manage Jenkins. Click on Manage Nodes link.
2. To create a slave node, click on New Node.
3. Provide Name, Description, Labels and so on. Select Launch slave agents via Java Web Start as Launch method.
4. Click on Save.

How do you make a slave?

How to create a new Jenkins slave

1. Create a user jenkins with: adduser jenkins.
2. Add your master instance ssh public key to the file /home/jenkins/.ssh/authorized_keys. It can be as simple as this command: ssh-copy-id -i ~/.ssh/mykey user@host.
3. Install java with: apt install default-jre.

What is master-slave in DB?

Master-slave is a way to optimize the I/O in your application other than using caching. The master database serves as the keeper of information, so to speak. The true data is kept at the master database, thus writing only occurs there. Reading, on the other hand, is only done in the slave.

How do I check my slave status?

Check MySQL Replication Status on Query Servers

1. Start the MySQL command-line utility on the slave server: # cd /opt/mysql/mysql/bin.
2. Check the replication status using the show slave status command (the status of the slave server is conveyed by the Slave_IO_Running and Slave_SQL_Running column values):

What are slaves in Jenkins?

What can I use instead of a master-slave?

Alternatives to Master-Slave Terminology

• Primary and secondary.
• Primary and replica.
• Primary and standby.
• Leader and follower.
• Conductor and follower.
• Source and sink.
• Main.