Hm, i seem to have mixed fwrite() (which buffers data in userspace) and
write() (which apparently doesnt !)
Sorry !
PFC <[EMAIL PROTECTED]> writes:
Just a stupid question about the various fsync settings.
There is fsync=off, but is there fsync=fflush ?
fflu
PFC <[EMAIL PROTECTED]> writes:
> Just a stupid question about the various fsync settings.
> There is fsync=off, but is there fsync=fflush ?
> fflush would mean only an OS crash could cause data loss,
> I think.it could be useful for some applications where you need a speed
Just a stupid question about the various fsync settings.
There is fsync=off, but is there fsync=fflush ?
fflush would mean only an OS crash could cause data loss,
I think.it could be useful for some applications where you need a speed
boost (like testing database impor
Use whichever sync method is fastest for you. They are all reliable,
except turning fsync off.
---
Javier Somoza wrote:
>
>
>
> Hi Evgeny
>
> Im also testing what fsync method to use and using this progr
Hi Evgeny
Im also testing what fsync method to use and using this program (http://archives.postgresql.org/pgsql-performance/2003-12/msg00191.php)
a bit modified and i get this results:
write 0.36
write & f
Hi everybody!
Which wal sync method is the fastest under linux 2.6.x?
I'm using RAID-10 (JFS filesystem), 2xXEON, 4 Gb RAM.
I've tried to switch to open_sync which seems to work
faster than default fdatasync, but is it crash-safe?
--
Evgeny Gridasov
Software Engineer
I-Free, Russia
-
