Compressed with 7-Zip, sure, but uncompressed, the entire thing takes up 10TB. The Hyperdrive post doesn't mention compression at all, so the comparison should

Compressed with 7-Zip, sure, but uncompressed, the entire thing takes up 10TB. The Hyperdrive post doesn't mention compression at all, so the comparison should be without it. > As of June 2015, the dump of all pages with complete edit history in XML format at enwiki dump progress on 20150602 is about 100 GB compressed using 7-Zip, and 10 TB uncompressed. From: https://en.wikipedia.org/wiki/Wikipedia:Size_of_Wikipedia#Size_of_the_English_Wikipedia_database https://en.wikipedia.org/wiki/Wikipedia:Size_of_Wikipedia#Si... It's a bit of a nitpick either way because you're right, Wikipedia may not be the best example because 10TB is still relatively small.