database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-10-25 13:17:41 +03:00
Code Activity

Add wal_sync_method=fdatasync for Windows.

Browse Source 
Windows 10 gained support for flushing NTFS files with fdatasync()
semantics.  The main advantage over open_datasync (in Windows API terms
FILE_FLAG_WRITE_THROUGH) is that the latter does not flush SATA drive
caches.  The default setting is not changed, so users have to opt in to
this.

Discussion: https://postgr.es/m/CA%2BhUKGJZJVO%3DiX%2Beb-PXi2_XS9ZRqnn_4URh0NUQOwt6-_51xQ%40mail.gmail.com
This commit is contained in:
Thomas Munro
2022-07-20 13:50:57 +12:00
parent b24b2be119
commit 9430fb407b
10 changed files with 86 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/include/port/win32_port.h
View File

@@ -83,6 +83,12 @@
#define HAVE_FSYNC_WRITETHROUGH
#define FSYNC_WRITETHROUGH_IS_FSYNC
/*
* We have a replacement for fdatasync() in src/port/fdatasync.c, which is
* unconditionally used by MSVC and Mingw builds.
*/
#define HAVE_FDATASYNC
#define USES_WINSOCK
/*