Re: Bigger block sizes

  • From: Kevin Jernigan <kevin.jernigan@xxxxxxxxxx>
  • To: JEREMY.SHEEHAN@xxxxxxxxxxxxxxxxx, "contact@xxxxxxxx" <contact@xxxxxxxx>, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>, "oralrnr@xxxxxxxxx" <oralrnr@xxxxxxxxx>
  • Date: Thu, 1 Oct 2015 13:59:26 -0700

With BasicFiles or SecureFiles? -KJ

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On 10/1/15 9:17 AM, Sheehan, Jeremy wrote:

Orlando,

I did testing and implemented a BLOB tablespace with 32K blocksize and I saw
about a 20% increase in performance when saving and retrieving files into a
blob column.

Jeremy


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From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Stefan Koehler
Sent: Thursday, October 01, 2015 12:03 PM
To: oracle-l@xxxxxxxxxxxxx; oralrnr@xxxxxxxxx
Subject: Re: Bigger block sizes

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Hi Orlando,
it depends (as always).

Franck Pachot has written a great blog post with several demos about this
topic: http://blog.dbi-services.com/do-the-block-size-matter/

Best Regards
Stefan Koehler

Freelance Oracle performance consultant and researcher
Homepage: http://www.soocs.de
Twitter: @OracleSK

Orlando L <oralrnr@xxxxxxxxx> hat am 30. September 2015 um 23:29 geschrieben:

List,

Does anyone in the list use non default blocksize of greater than 8K for your
oracle DBs; if so, is it for warehousing/OLAP type applications?
What advantages do you get with them; any disadvantage.

Orlando.
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