Title: Message
Thanks Christopher.   I will see what I can get out of them.
-----Original Message-----
From: Christopher Spence [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 23, 2001 10:24 AM
To: Multiple recipients of list ORACLE-L
Subject: RE: Locking Issue

Take a  look at www.vampired.net under scripts and locks, there are a few decent scripts there.

"Do not criticize someone until you walked a mile in their shoes, that way when you criticize them, you are a mile a way and have their shoes."

Christopher R. Spence
Oracle DBA
Phone: (978) 322-5744
Fax:    (707) 885-2275

Fuelspot
73 Princeton Street
North, Chelmsford 01863
 

-----Original Message-----
From: Kevin Lange [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, August 22, 2001 2:47 PM
To: Multiple recipients of list ORACLE-L
Subject: Locking Issue

    Back to the experts ................
 
 
We have an application that, litterally overnight, developed locking issues.
 
Our users start working just fine.   Then, right now cause unknown, our inserts start being blocked.   Usually there are so many so fast that we do not even know what is causing the original lock.
 
The tables the users are being blocked from have multiple triggers and the tables that these triggers point to ofen have triggers of their own.
 
 
So, the scenario is
1.  Web Application pointing to an Oracle 8.0.5 database.
2. Things start out just fine.
3. At a variable time later (i.e.  not the same time of day, not the same cumulated time since startup, etc.) locks start to appear against our main table.  The users getting the locks are trying to insert a record.
4. Locks cascade until the only recourse is to restart the database.
 
We are having trouble tracing the locks back to their origin. 
There has got to be 1 thing that is causing the start of this cascade.
 
If anyone has any insights on how to find this one cause ...  I would appreciate hearing them.
 
And , if you happen to have any scripts that would help me trace the locks thru the database I would appreciate them also.
 
Thanks
 
Kevin

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