Re: Reading UNDO and displaying it in v$session

From: Yong Huang <>
Date: Thu, 3 Apr 2008 11:47:56 -0700 (PDT)
Message-ID: <>

Jonathan Lewis posted a message about this problem before having the same suspicion.

Yong Huang

> From: "kyle Hailey" <>
> don't seem to be as dependable as P1 and P2 for IO events. Not sure
> why. My guess is that sometimes when they are not filled out, then the
> values are left over from previous usage (like a db file sequential
> read from UNDO in your case)
> What are the value of P1 and P2 for your direct path write temp waits
> ( ie your File and Block)?
> Best
> Kyle

You rock. That's why Blockbuster's offering you one month of Blockbuster Total Access, No Cost.
Received on Thu Apr 03 2008 - 13:47:56 CDT

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