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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.

  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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