vogievetsky opened a new pull request #8672: Druid Doctor
URL: https://github.com/apache/incubator-druid/pull/8672
 
 
   
![image](https://user-images.githubusercontent.com/177816/66796429-7a9eca80-eebc-11e9-8c45-f90a6d817c53.png)
   
   Adding a testing and troubleshooting framework to the console.
   
   The Druid Doctor is a dialog that runs a series of tests that test the 
capabilities of a cluster via the HTTP APIs available via the router node. The 
aim is to be able to identify common cluster and data misconfigurations and 
present helpful suggestions to the user.
   
   There are currently 9 tests:
   
   - Verify own status
   - Verify own runtime properties
   - Verify the Coordinator and Overlord status
   - Verify the Coordinator and Overlord runtime properties
   - Verify that the sampler works
   - Verify that SQL works
   - Verify that there are historical nodes
   - Verify that the historicals are not overfilled
   - Look for time chunks that could benefit from compaction
   
   In the future I would also like to add a test for task slots and pending 
tasks

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