Re: Fast Bulk Data Transfers

From: Jason Heinrich <jheinrichdba_at_gmail.com>
Date: Wed, 11 Mar 2009 13:05:13 -0500
Message-ID: <b32e774d0903111105y21429f5el6a0dd2af885bb4b1_at_mail.gmail.com>

More information about the SDU parameter can be found in the Net Services Administrator's Guide:

http://download.oracle.com/docs/cd/B28359_01/network.111/b28316/performance.htm#

--
Jason Heinrich


On Wed, Mar 11, 2009 at 12:45 PM, Dennis Yurichev <dennis_at_conus.info> wrote:



>

> Hi.

>

> Just read this at

> http://download.oracle.com/docs/cd/B28359_01/server.111/b28279/chapter1.htm

>

> ====

> 1.6.1.1 Fast Bulk Data Transfers

>

> Oracle Database now uses a larger session data unit (SDU) by default.

> Optimizations to the Network Session SDU size result in significant

> performance gains for large data transfers.

>

> This feature also takes advantage of zero copy and vectored I/O at the

> network level.

>

> Fast bulk data transfers result in significant performance improvements

> for large data transfers.

> ====

>

> Is this feature should be specially turned on, off, or tuned, or are

> there any information more?

>

>


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Received on Wed Mar 11 2009 - 13:05:13 CDT