3 ms·

To an extent, you wouldn't want the transaction ID to be any bigger either because of the clog - which postgres needs to determine row visibility.

• anarazel 11y ago
  That's the 'clog' (commit log), not the xlog (WAL, for durability).
  • snuxoll 11y ago
    Bah, you're right, I've edited my post. You'd think after working with PostgreSQL for years I'd have my terminology straight.