Day 8 results: pages, and row store vs column store
Measured on: (machine, OS, Python version)
Output
Paste part 1, part 2, part 3 and the scoreboard here.
One sentence per prediction
- P1 (page size):
- P2 (rows per page):
- P3 (row-store file size):
- P4 (column store how much smaller):
The header, in my own words
What the magic string, page size and page count were, and whether file size matched page_size x page_count:
The number that matters
To sum one column, the row store read __ and the column store read __. Why so different: