High "in memory undo latch" waits and cpu consumption

  • From: Josh Collier <Josh.Collier@xxxxxxxxxxxx>
  • To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 18 Mar 2008 12:01:02 -0700

An update statement that is being run with bind variables by many concurrent 
sessions is spending all its time sucking down cpu and waiting on "in memory 
undo latch".

Do you guys know anything about this latch? I cannot find much about it.

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