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OpenStack Sahara Essentials by Omar Khedher

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Troubleshooting data processing

As a very rough rule of thumb, troubleshooting issues with Sahara or any other component in OpenStack should be seen as a whole ecosystem where many other services could be running in an unexpected status. Therefore, Sahara will not be able to function properly. Covering all issues in OpenStack could fill an entire book; however, it might be essential to have a good understanding of its ecosystem. On the other hand, the data processing service may face a few problems while creating a Hadoop or Spark cluster, or when launching jobs.

Debugging Sahara

The Sahara command-line client's tools support the --debug option. This is very useful to show the execution of the Curl commands of each API call to the Sahara endpoint ...

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