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RE: Db Block Size 8K or 16K for a FS Block Size = 16K

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Mon, 23 Sep 2002 06:13:41 -0800
Message-ID: <F001.004D671B.20020923061341@fatcity.com>


Vivek - My understanding is that there it is usually not advisable to have the Oracle block size smaller than the file system block size. The file system must retrieve at least 16k at a time, so you may get less performance if you choose 8k. Therefore, I would go with 16k myself.

 
Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com <mailto:dwilliams_at_lifetouch.com>

-----Original Message-----
Sent: Monday, September 23, 2002 8:53 AM To: Multiple recipients of list ORACLE-L

Sun Storage Model 6960 (containing Multiple T3+ Units within) Allows a MINIMUM File System(FS) Block Size of 16K.

DB Block Size 8K OR 16K , For Performance which is Advisable for a Hybrid Banking Application ?

NOTE - Till Date we have been using 8K DB & FS Block size for Our Banking Product
because the Other Storage Boxes did allow 8K FS Block Size . Customers Running Databases of Sizes Upto 500 GB with it .

Solaris 8
Oracle 8.1.7

Thanks

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Author: VIVEK_SHARMA
  INET: VIVEK_SHARMA_at_infosys.com

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Author: DENNIS WILLIAMS
  INET: DWILLIAMS_at_LIFETOUCH.COM
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