Oracle-L: Re: spurious threads

From: Tanel Poder <tanel.poder.003_at_mail.ee>
Date: Thu, 18 Sep 2003 05:49:41 -0800
Message-ID: <F001.005D05FA.20030918054941@fatcity.com>

Hi!

Orakill is able to kill threads based on thread id. But since you can't find out the "runaway" thread id-s from v$process, you could find all thread id-s in oracle.exe, minus those spids which exist in v$process and kill those. But I definitely recommend to turn to support first, because killing threads that way isn't a nice thing to do in production system and might be good enough only for temporary workaround, not for continous usage.

Tanel.

Original Message ----- From: Jeffrey Beckstrom To: Multiple recipients of list ORACLE-L Sent: Thursday, September 18, 2003 4:19 PM Subject: spurious threads

We have had an ongoing problem for nearly 1.5 years now starting with 8.1.7.3.2. If we patch the Oracle Apps 11i, a majority of the time, the oracle.exe process gets a runaway thread. A thread exists in the oracle.exe but not in v$process/v$session. Shutting down the database does not resolve the problem. Only stopping the service will resolve it.

Two weeks ago implemented FND G/HRMS F in dev/test with production scheduled for this weekend. Since then have noticed high thread counts. Dev has topped out at 1000+, test is currently at 809 with only 50 v$process entries!!!!

Help.

  Jeffrey Beckstrom
  Database Administrator
  Greater Cleveland Regional Transit Authority   1240 W. 6th Street
  Cleveland, Ohio 44113
  (216) 781-4204

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Author: Tanel Poder
INET: tanel.poder.003_at_mail.ee

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