DO NOT USE THIS INSTANCE FOR LIVE DATA!!!!
We should merge:
https://github.com/apache/spark/blob/master/python/docs/source/getting_started/quickstart.ipynb https://github.com/databricks/koalas/blob/master/docs/source/getting_started/10min.ipynb
[Github] Pull Request #32795 (yos1p)
[Github] Pull Request #33041 (HyukjinKwon)