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Re: X$ changes in 9i

From: Tanel Põder <tanel.poder.003_at_mail.ee>
Date: Mon, 26 Jul 2004 19:17:00 +0300
Message-ID: <37c801c4732b$fb0bd0a0$0a879fd9@porgand>


Hi!

Yep, the wait times are in microseconds starting from 9i, but if you modify the script, remember that the CPU times which are got from v$sysstat/x$ksusgsta table are still in centiseconds.

Tanel.

> First guess, this is due to timings in 9i being microsecond rather than
> centisecond. You probably need to shave a few zeros off....;-)
>
> Mark J. Bobak
> Oracle DBA
> ProQuest Company
> Ann Arbor, MI
> "Post Hoc Ergo Propter Hoc"
>
>
> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org
> [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Jesse, Rich
> Sent: Monday, July 26, 2004 12:01 PM
> To: ORACLE-L (E-mail)
> Subject: X$ changes in 9i
>
>
> Hey all,
>
> I've just tried running a slightly modified version of:
>
> http://www.ixora.com.au/scripts/sql/response_time_breakdown.sql
>
> ...on our month-old 9.2.0.5.0 instance on HP/UX 11i (I added "jobq slave
> =3D
> waits" to the list of idle waits from d.kslednam). However, it's =3D
> telling me that our queries have waited 55 *years* for db file =3D
> sequential read. I know we need to reduce our I/O, but come on!
>
> I've looked on MetaLink for bugs/notes/articles and in some archives, =
> =3D
> but nothing really pops up. I vaguely remember mention of UOM changes =
> =3D
> (seconds/centiseconds/etc) in some version of Oracle's internals, but I
> =3D
> couldn't find anything on that either.
>
> I know Mr. Adams has not been able to update his site for 9i/10g, but I
> =3D
> was hoping to check this out after our 9i upgrade. (I know, I know. =
> =3D
> It's not a Method R query. We're not there just yet...)
>
> TIA,
> Rich
>
> Rich Jesse System/Database Administrator
> rich.jesse_at_quadtechworld.com QuadTech, Sussex, WI USA
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Received on Mon Jul 26 2004 - 11:15:49 CDT

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