alt Hacker NewsThat’s true. With such a small data domain, there would be a lot repeated numbers in the 160M values, leading to highly compressible data.
That’s true. With such a small data domain, there would be a lot repeated numbers in the 160M values, leading to highly compressible data.
I found in the article that the column uses 70 Mb of storage. if it was sorted (i.e. if it was an index) it would take even much less space. I don't understand though how they loaded 70 Mb of data with 125 MiB/s SSD in 70 ms.