Page Comparison

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• Find the Yarn app with the application type DRA. This is the long-lived Yarn app for RTA. Click on the Application ID.
  
• Different attempts to launch the Yarn app are displayed on this page. Find the active attempt that succeeded and copy of the Node URL.
  
• Select the option below that applies to you:
  • If you are in an intranet and you have access to that host, copy the URL to your clipboard and paste it in a new tab.
  • If you don't have access to the internal network of the Hadoop cluster and can't tunnel into it (e.g., EMR Cluster with a locked down security group config),
    • Copy the URL. 
    • SSH into the Datameer server that has access to all of the Hadoop nodes.
    • Paste the URL in a wget statement. For example: wget http://<url>
      
      
  • In both options:
    • Dismiss the current port and use 9200.
    • URL: The desired debugging URL. In this case use http://<URL>:9200/_cat/nodes?pretty

    • The output would similar to the example below. The IP with the "master" label would be the one of interest.

      Code Block

      172.30.3.31 172.30.3.31 9 59 0.33 d - node-0132_01_000013_marketing-eureka-demo-hdp-s03-prod 172.30.3.36 172.30.3.36 9 54 0.00 d - node-0132_01_000014_marketing-eureka-demo-hdp-s13-prod 172.30.3.21 172.30.3.21 9 56 0.01 d - node-0132_01_000011_marketing-eureka-demo-hdp-s12-prod 172.30.3.25 172.30.3.25 9 56 0.11 d - node-0132_01_000016_marketing-eureka-demo-hdp-s02-prod 172.30.3.9 172.30.3.9 9 57 0.01 d - node-0132_01_000012_marketing-eureka-demo-hdp-s05-prod 172.30.3.6 172.30.3.6 2 99 0.02 - * master 172.30.3.13 172.30.3.13 9 57 0.06 d - node-0132_01_000006_marketing-eureka-demo-hdp-m01-prod 172.30.3.57 172.30.3.57 9 56 0.02 d - node-0132_01_000005_marketing-eureka-demo-hdp-s08-prod 172.30.3.62 172.30.3.62 9 53 0.00 d - node-0132_01_000015_marketing-eureka-demo-hdp-s15-prod 172.30.3.15 172.30.3.15 9 55 0.05 d - node-0132_01_000008_marketing-eureka-demo-hdp-s07-prod 172.30.3.32 172.30.3.32 9 56 0.16 d - node-0132_01_000004_marketing-eureka-demo-hdp-s04-prod 172.30.3.49 172.30.3.49 9 55 0.02 d - node-0132_01_000010_marketing-eureka-demo-hdp-s14-prod 172.30.3.60 172.30.3.60 9 56 0.03 d - node-0132_01_000009_marketing-eureka-demo-hdp-s09-prod 172.30.3.4 172.30.3.4 10 54 0.00 d - node-0132_01_000002_marketing-eureka-demo-hdp-s06-prod 172.30.3.14 172.30.3.14 9 56 0.01 d - node-0132_01_000007_marketing-eureka-demo-hdp-s01-prod 172.30.3.17 172.30.3.17 9 41 0.03 d - node-0132_01_000003_marketing-eureka-demo-hdp-s11-prod

  • (Optional)

    • If the URL used doesn't work, use the _cat/nodes?pretty URL from any other node that has RTA deployed. Do this by clicking on the Application ID link that gives you details of what containers are deployed and their respective nodes.
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    • On the following displayed page, scroll down and find the node URLs for that Yarn app.
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Support

If additional help is needed, print the above logs and contact support@datameer.com

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