RE: Is this Needed?

  • From: "Freeman, Donald" <dofreeman@xxxxxxxxxxx>
  • To: <joelgarry@xxxxxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 28 Oct 2005 09:02:35 -0400

Nope, all the tablespaces are locally managed and the environment is stable.

Don Freeman
Database Administrator 1
Bureau of Information Technology
Pennsylvania Department of Health
717-783-8095 Ext 337


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Joel Garry
Sent: Thursday, October 27, 2005 8:25 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Is this Needed?


Two things I haven't seen mentioned which might impact whether it is
needed:

1.  Are the tablespaces Dictionary managed (not the default, but can
happen with migrations or intended foolishness)?  Might mean your SYSTEM
TS has too much in the way of FET$ segments, if you've had lots of
extents.  Reorganizing the data TS could potentially only partially
solve the problem.  Or, it could solve it in a way that would be better
solved by just converting to LMT.

2.  Some bad programming like creating and deleting lots of objects on
the fly - won't get helped by reorganization, but might look like it
will because SMON has been going nutso.  See the last bit of
http://groups.google.com/group/comp.databases.oracle.server/msg/adb5814c
9f6b8af0?dmode=source&hl=en for an example. 

Joel Garry
http://www.garry.to 
 


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