X$ksmsp (OSEE 10.2.0.2 on Solaris 8)

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X$ksmsp (OSEE 10.2.0.2 on Solaris 8)

X$ksmsp (OSEE 10.2.0.2 on Solaris 8)

2006-06-26 - By Hallas, John, Tech Dev

Reply: 1 2 3 4 5 6 7 8 9 10 >>

Whilst I was looking at x$ksmsp I came across the following link which
provides a useful summary of the x$tables and some interesting queries
against some of them.

http://www.stormloader.com/yonghuang/computer/x$table.html

Charles, in your database is there only 1 entry in total for that table
as I see many thousands of entries (same Oracle version but 2.9 Solaris)

__ __

From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)] On Behalf Of Schultz, Charles
Sent: 26 June 2006 15:27
To: oracle-l@(protected)
Subject: X$ksmsp (OSEE 10.2.0.2 on Solaris 8)

Granted that x$ksmsp is not documented and therefore subject to changes
from version to version (or patch to patch), I have an Oracle Support
Engineer telling me that one entry in ksmsp might actually show
fragmented memory in the case of a memory leak. My understanding, from
what I have gleaned from others much smarter than I, was that each row
of ksmsp showed one contiguous chunk of memory, be it small or large,
FREE or PERM (or something in between). The whole idea of a memory leak
causing ksmsp to report a fragmented chunk as one piece is a little
disturbing.

Can anyone corroborate or refute this?

Oracle Server Enterprise Edition 10.2.0.2
Solaris 8 (SunOS 5.8) 64-bit

charles schultz
oracle dba
aits - adsd
university of illinois

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<div class=Section1>

Whilst I was
looking at x$ksmsp I came across the following link which provides a useful
summary of the x$tables and some interesting queries against some of them.<o:p>
</o:p>

<o:p> </o
:p>

<a
href="http://www.stormloader.com/yonghuang/computer/x$table.html">http://www
.stormloader.com/yonghuang/computer/x$table.html</a><o:p></o:p>

<o:p> </o
:p>

Charles, in
your database is there only 1 entry in total for that table as I see many
thousands of entries (same Oracle version but 2.9 Solaris)<o:p></o:p>

<o:p> </o
:p>

<div>

<div class=MsoNormal align=center style='text-align:center'>

<hr size=2 width="100%" align=center tabindex=-1>

</div>

From:
oracle-l-bounce@(protected) [mailto:oracle-l-bounce@(protected)] On Behalf Of Schultz, Charles 
Sent: 26 June 2006 15:27 
To: oracle-l@(protected) 
Subject: X$ksmsp (OSEE 10.2.0.2 on
Solaris 8)<o:p></o:p>

</div>

<o:p> </o:p>

Granted
that x$ksmsp is not documented and therefore subject to changes from version to
version (or patch to patch), I have an Oracle Support Engineer telling me that
one entry in ksmsp might actually show fragmented memory in the case of a
memory leak. My understanding, from what I have gleaned from others much
smarter than I, was that each row of ksmsp showed one contiguous chunk of
memory, be it small or large, FREE or PERM (or something in between). The whole
idea of a memory leak causing ksmsp to report a fragmented chunk as one piece
is a little disturbing.<o:p></o:p>

Can
anyone corroborate or refute this? <o:p></o:p>

Oracle
Server Enterprise Edition 10.2.0.2 
Solaris
8 (SunOS 5.8) 64-bit <o:p></o:p>

charles schultz 
oracle dba 
aits - adsd 
<st1:place w:st="on"><st1:PlaceType w:st="on">university
</st1:PlaceType> of <st1:PlaceName w:st="on">illinois</st1:PlaceName><
/st1:place>
<o:p></o:p>

<o:p> </o:p>

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</body>

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