Philip Hyunsu Cho

#554 fixes #550 and in addition adds CMake option to compile with Sanitizer.

@trivialfis It looks like the executable crashes upon loading. Maybe we should try Azure Pipelines instead of Travis CI?

The current notebook uses **21.06**. When I switched to 22.06, I got the same issue.

Indeed, after setting `DISABLE_JUPYTER=true`, I observe the Dask scheduler launching successfully. I will incorporate this in my pull request. Thanks!

@mmccarty Can you assign me this issue?

Update: I was able to set up a K8s cluster on Google Cloud, install KubeFlow with the Dask operator, and get Optuna to run a toy HPO job in parallel...

Update: I got parallel HPO working with XGBoost GPU: https://github.com/hcho3/xgb-hpo-k8s-notebooks/blob/main/barebones-hpo-kubecluster-dask.ipynb

Completed in https://github.com/rapidsai/cloud-ml-examples/pull/192

> publish the latest AMI to an SSM parameter I also have this need as well. Currently I maintain a custom AMI that's created on top of the BuildKite AMI;...

@joycebrum Yes, thanks for working on this initiative. I will make sure to review your pull request.