8 ms·

That induces disk I/O overhead (even if it somehow doesn't impact IPC performance)

• drdexebtjl 4mo ago
  The file doesn’t have to be disk-backed.
  • LoganDark 4mo ago
    Don't you need something mounted for that?
    • yxhuvud 4mo ago
      No, you can use a memfd.
      • tankenmate 4mo ago
        And `/dev/shm/` (which postgres uses by default on most Unix platforms)
• outpost_mystic2 4mo ago
  It doesnt. Processes can share memory