Re: [HACKERS] win32 performance - fsync question
Bruce Momjian <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.devel.win32,gmane.comp.db.postgresql.devel.general |
|---|---|
| Message-ID | <[email protected]> |
Patch applied. Thanks. I assume this is not approprate for 8.0.X. --------------------------------------------------------------------------- Magnus Hagander wrote: > > Magnus prepared a trivial patch which added the O_SYNC flag > > for windows and mapped it to FILE_FLAG_WRITE_THROUGH in > > win32_open.c. > > Attached is this trivial patch. As Merlin says, it needs some more > reliability testing. But the numbers are at least reasonable - it > *seems* like it's doing the right thing (as long as you turn off write > cache). And it's certainly a significant performance increase - it > brings the speed almost up to the same as linux. > > > //Magnus Content-Description: o_sync.patch [ Attachment, skipping... ] > > ---------------------------(end of broadcast)--------------------------- > TIP 8: explain analyze is your friend -- Bruce Momjian | http://candle.pha.pa.us [email protected] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [email protected] so that your message can get through to the mailing list cleanly