Thursday, May 4, 2017

Drill errors with "JDK Java compiler not available - probably you're running Drill with a JRE and not a JDK"

Symptom:

Drill query fails with error message:"JDK Java compiler not available - probably you're running Drill with a JRE and not a JDK".

Tuesday, May 2, 2017

Friday, November 4, 2016

How to troubleshoot Hive local task in a separate JVM process

Goal:

How to troubleshoot Hive local task in a separate JVM process.
Especially when troubleshooting issues of Map Join's local task, we may want to put this local task into a separate JVM process instead of in the Hive CLI process.

Friday, October 7, 2016

How to use Drill to parse ResourceManager Rest API results

Goal:

ResourceManager REST API provides all detailed information regarding YARN applications, metrics of YARN cluster, etc.
This article provides a simple demo on how to use Drill to query the result of the REST APIs.
One example use case is to show the largest YARN applications which are currently running.

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