2 ms·
Does your database transparently DMA the buffer cache to the NIC after loading the file in the background using read-ahead without any process context switching
by cat199 9y ago
Does your database transparently DMA the buffer cache to the NIC after loading the file in the background using read-ahead without any process context switching or upcalls to userland?
That's what I thought.
https://www.freebsd.org/cgi/man.cgi?query=sendfile&sektion=2 https://www.freebsd.org/cgi/man.cgi?query=sendfile&sektion=2
http://man7.org/linux/man-pages/man2/sendfile.2.html http://man7.org/linux/man-pages/man2/sendfile.2.html
- coldtea 9y agoDoes your filesystem provide for its files that are referenced by your DB the same versioning, consistent backups, and ACID guarantees as the DB does? That's what I thought.