Monitoring with Ambari or Cloudera Manager in Hadoop - Mini Project: Build & Apply

Monitoring Hadoop Cluster with Ambari

📖 Scenario: You are managing a small Hadoop cluster for your company. To keep the cluster healthy and running smoothly, you want to monitor its status using Ambari, a popular tool for managing and monitoring Hadoop clusters.Ambari provides a web interface to see the health of your cluster, check service statuses, and view metrics like CPU and memory usage.

🎯 Goal: Learn how to set up basic monitoring for your Hadoop cluster using Ambari by creating a simple configuration, starting the Ambari server, and checking the cluster status.

📋 What You'll Learn

Create a configuration file for Ambari server

Start the Ambari server service

Check the status of the Ambari server

Display the cluster health summary

💡 Why This Matters

🌍 Real World

Monitoring tools like Ambari help system administrators keep Hadoop clusters healthy by providing easy-to-understand dashboards and alerts.

💼 Career

Knowing how to set up and use Ambari is valuable for roles like Hadoop administrator, DevOps engineer, and data platform engineer.

1

Create Ambari Server Configuration File

Create a file called ambari.properties with the following content exactly:
server.jdbc.database=ambari
server.jdbc.username=ambari
server.jdbc.password=bigdata

Hadoop

# Create the file ambari.properties with the specified content
# Your code here

Need a hint?

This file tells Ambari how to connect to its database. Use exact keys and values as shown.

2

Start the Ambari Server Service

Write the command to start the Ambari server service using ambari-server start.

Hadoop

server.jdbc.database=ambari
server.jdbc.username=ambari
server.jdbc.password=bigdata

# Start the Ambari server service
# Your code here

Need a hint?

Use the exact command ambari-server start to launch the service.

3

Check Ambari Server Status

Write the command to check the status of the Ambari server using ambari-server status.

Hadoop

ambari-server start

# Check the Ambari server status
# Your code here

Need a hint?

Use the exact command ambari-server status to see if the server is running.

4

Display Cluster Health Summary

Write the command to display the cluster health summary using ambari-agent status.

Hadoop

ambari-server status

# Display the cluster health summary
# Your code here

Need a hint?

Use ambari-agent status to check the health of the cluster nodes.