postgres postgres 1575324616939 Feb 20 13:55 devdb_0.sql
But, the restore has gone over 1.6 TB
the dump file does not contain the indexes, just CREATE INDEX statements
Not to mention that on-disk format is quite different from the SQL dump. Due to row and page headers the on disk format could occupy more space, on the other hand if you have a lot of numeric data which can be represented compactly in the binary format, the restored database might occupy less space in the end.