From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
Cc: | pgsql-patches(at)postgresql(dot)org |
Subject: | Re: O_DIRECT support for Windows |
Date: | 2007-01-20 01:41:46 |
Message-ID: | 200701200141.l0K1fk819475@momjian.us |
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Lists: | pgsql-hackers pgsql-patches |
So, do we want this patch? Are we OK on WIN32 alignment issues?
---------------------------------------------------------------------------
ITAGAKI Takahiro wrote:
> The attached is a patch to define O_DIRECT by ourselves on Windows,
> and to map O_DIRECT to FILE_FLAG_NO_BUFFERING.
>
> There will be a consistency in our support between Windows and other OSes
> that have O_DIRECT. Also, there is the following comment that says, I read,
> we should do so.
> | handle other flags? (eg FILE_FLAG_NO_BUFFERING/FILE_FLAG_WRITE_THROUGH)
>
> Is this worth doing? Do we need more performance reports for the change?
>
> Regards,
> ---
> ITAGAKI Takahiro
> NTT Open Source Software Center
[ Attachment, skipping... ]
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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