Lab – Introduction to MapReduce

Topic Progress:

The yarn components which are responsible for job execution, scheduling & monitoring are resource-manager and node-manager.

We have already seen these components listed over terminal when we do jps after start-all.sh. We can also access these nodes using following steps:

1. Access resource manager on localhost:8088 as shown below:

2. You can also check log entries in log tab of resource manager:

https://lh4.googleusercontent.com/NJfMcln19hcLEpz6U70QLT0zEcMB2_5LMJOcr3z0T7N4mMgLNq6BCSPj4YmZ0s2hQ1h48LJy-KbII8dNpniPj9TkLAowvA1mkFSC9hl5J5xrWqG7V_by3vuuciWe6VQTLrlP3khQ

3. Access Node manager at localhost:8042it will show you the status of node manager component.