Re: Anything to be gained from a 'Postgres Filesystem'? - Mailing list pgsql-performance

From Jan Dittmer
Subject Re: Anything to be gained from a 'Postgres Filesystem'?
Date
Msg-id 4177CF68.2050108@ppp0.net
Whole thread Raw
In response to Re: Anything to be gained from a 'Postgres Filesystem'?  (Neil Conway <neilc@samurai.com>)
List pgsql-performance
Neil Conway wrote:
> Also, I would imagine Win32 provides some means to inform the kernel
> about your expected I/O pattern, but I haven't checked. Does anyone know
> of any other relevant APIs?

See CreateFile, Parameter dwFlagsAndAttributes

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/base/createfile.asp

There is FILE_FLAG_NO_BUFFERING, FILE_FLAG_OPEN_NO_RECALL,
FILE_FLAG_RANDOM_ACCESS and even FILE_FLAG_POSIX_SEMANTICS

Jan


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