This post is a compilation of commonly asked questions about DataHub.io.
How do I create a dataset?
What is the file upload size limit?
The file upload size limit for datahub.io is set to 100Mb. If your files are bigger than that you can host them on a separate storage provider like Dropbox or Amazon S3 and link to them from your datahub.io dataset.
Why am I receiving an Internal Server Error when trying to download a resource?