> -----Original Message----- > From: Tatsuo Ishii [mailto:[EMAIL PROTECTED] > Sent: 05 March 2003 13:49 > To: Dave Page > Cc: [EMAIL PROTECTED] > Subject: Re: [HACKERS] Win32 Powerfail testing > > > > > So far we found interesting facts. Our Win32 port passes his > > > test in most cases. However if power of the machine is turned > > > off right after (10 to 20 seconds) the Checkpoint has been > > > made, it does not passes his test. So we are thinking that > > > there is someting wrong with the checkpoint implementaion for > > > Win32 port, which is essentially same as Jan's > > > implementation. i.e. using _flushall() instead of sync(). We > > > were looking for a fix or an alternative implementaion of > > > sync() without success. > > > > Hi Tatsuo, > > > > Does this help: > > http://support.microsoft.com/default.aspx?scid=kb;en-us;66052 > > Sorry, but it does not help. The page says we could use > FlushFileBuffers() to sync the kernel buffer to the > disk. Unfortunately, it requires a file descriptor to flush > for its argument. Thus it could not be a replacement of > sync(). Actually I have modified the buffer manager so that > it remembers all file descriptors those have not been synced > yet to the disk at the checkpoint time to sync them later. > However I found this modification does not help at all with > some reason I don't know.
How do you open the files (function, flags etc)? Regards, Dave. ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
