Re: Use pread and pwrite instead of lseek + write and read
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Oskari Saarenmaa <os@ohmu.fi>,
"pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2016-08-18T19:16:16Z
Lists: pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes: > Well, I think you're pointing out some things that need to be figured > out, but I hardly think that's a good enough reason to pour cold water > on the whole approach. If somebody feels like doing the legwork to find out if those performance hazards are real (which I freely concede they may not be), fine. I'm just saying this isn't a slam-dunk commit-it-and-move-on win. regards, tom lane
Commits
-
Use pg_pread() and pg_pwrite() for data files and WAL.
- c24dcd0cfd94 12.0 landed