Data contention

From: Ricardo Maurino <ricardo_maurino_at_yahoo.com>
Date: Thu, 08 Aug 2002 17:33:19 -0800
Message-ID: <F001.004B01D8.20020808173319@fatcity.com>

Hello All,
I'having performance problems. And I think is data contention. This is OLTP system. Solaris 8, Oracle 8.1.7.0

I ran this query:

SELECT count, file#, name FROM x$kcbfwait, v$datafile

   WHERE indx + 1 = file# ORDER BY count desc

And this is the top line

13672 1 system01.dbf

By the other side I ran

select * from v$waitstat order by count desc, and the top line show me:

data block 16977 40
How can identified which is the hot segment?

And v$session_wait show me:

event p1 p2 p3

queue messages 7403 15235490980 2147483647 Any help?
Thanks a lot.

Saludos, Ricardo.

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Author: Ricardo Maurino
  INET: ricardo_maurino_at_yahoo.com

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