When reading and writing data to and from your Google Drive/Drop Box you are experiencing a slow performance in Athera
The first time that data is read from a remote source it is caches onto Atlas. This means transferring data into Athera so we are at the mercy of Dropbox and Google drive throttling.
Dropbox and Google drive are not recommended as a work space. For best performance we suggest keeping external data in a google cloud storage bucket as explained in the docs below:
Using Google Cloud Storage (GCS)