RE: Automatic Shared Memory question

  • To: "Tanel Poder" <tanel.poder.003@xxxxxxx>, "Charles Schultz" <sacrophyte@xxxxxxxxx>
  • Date: Tue, 22 Aug 2006 11:10:43 -0700

I wonder if those buffers stored in the shared pool are being reported
twice in v$sgastat - once under "KGH: NO ACCESS" and again under
"buffer_cache"?  That would explain why sum(bytes) from v$sgastat is so
much larger than my sga_target & sga_max_size.  I'll see if I can find a
way to confirm this is what's happening . . .

Thanks Tanel for the very insightful information!

-----Original Message-----
From: Tanel Poder [mailto:tanel.poder.003@xxxxxxx] 
Sent: Tuesday, August 22, 2006 4:36 AM

Well, believe or not, in addition to keeping private undo and redo
buffers in shared pool, Oracle can nowadays hold some of the buffer
cache there as well.

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