RE: SDU and TDU in SQL*NET

Kathy,
Check out a paper titled "SQL*Net PERFORMANCE TUNING UTILIZING UNDERLYING NETWORK PROTOCOL" at http://www.fors.com/eoug97/papers/0285.htm It might be of help to you.

Regards,

• Kirti Deshpande Verizon Information Services http://www.superpages.com

> -----Original Message-----
> From: Kathy Duret [SMTP:KathyD_at_belkin.com]
> Sent: Friday, July 20, 2001 4:51 PM
> To: Multiple recipients of list ORACLE-L
> Subject: SDU and TDU in SQL*NET
>
> I have recently run various statspack reports and ult report against my
> 8.1.6 database. It suggests that I am sending more data on the client
> side than will fit into one SQL*NET package. I have been looking for
> documentation and/or samples and have only found:
> --------------------------------------------------------------------------
> --------------------------------------------------------------------------
> -------------------------------------
> The SDU size should be set as a multiple of the normal transport frame
> size. Since the normal Ethernet frame size is 1500, the most efficient SDU
> size over an Ethernet protocol should be a multiple of 1500.
> If you are using either connection pooling or connection concentration,
> keep in mind that these features require an additional 16 bytes per
> transport. For more information about the protocol frame size, refer to
> your operating-system-specific documentation.
> --------------------------------------------------------------------------
> --------------------------------------------------------------------------
> ------------------------------------
>
> I am not sure how to set this parameter or how to find out the protocol
> frame size you are using. Anybody have any experience using this? Is it
> worth the effort? Any samples of how to set?
>
> Thanks,
>
> Kathy
>
>
>
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> Author: Kathy Duret
> INET: KathyD_at_belkin.com
>
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-- 
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-- 
Author: Deshpande, Kirti
  INET: kirti.deshpande_at_verizon.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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