RE: Use of Multiple BLOCK Sizes ?

  • From: "Richard J. Goulet" <rgoulet@xxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 19 Dec 2006 10:37:51 -0500

    You also need to consider what the impact of multiple block sizes
will do to your overall memory utilization.  To use multiple block sizes
you need to set DB_nK_CACHE_SIZE which reserves memory from your SGA and
DB_CACHE specifically for that tablespace(s).  While a part of that
specific application might benefit from the larger block size the rest
of it and your database in general may suffer.

Dick Goulet, Senior Oracle DBA

45 Bartlett St  Marlborough, Ma 01752, USA
Tel.: 508.573.1978 |Fax:  508.229.2019 | Cell:508.742.5795 




From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of VIVEK_SHARMA
Sent: Tuesday, December 19, 2006 5:41 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Use of Multiple BLOCK Sizes ?



Does use of Multiple BLOCK sizes (for different Tablespaces) help in
Performance of a Hybrid Application?


Any best practices, Links, Docs?


Thanks indeed


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