Did you check out the Locks scenario? Check out the Network switches and see if there are collisions? Whats baffaling is how can the delay be exactly 1 min or 2 min something is seriously wron?See the Locking arch ?I am quite sure something is goofy there. Deep ----- Original Message ----- From: Chris Stephens <ChrisStephens@xxxxxxxxxx> To: <oracle-l@xxxxxxxxxxxxx> Sent: Friday, February 13, 2004 9:03 PM Subject: shot in the dark applications performance problem.... > Let me preface all of this by stating that I realize there is very little > chance of a resolution to this from the explanation I'm about to give...but > it thought I'd try and describe the problem here and see if it sparks any > suggestions.... > > > The company I work for has outsourced an applications implementation. > Everything has been running fine. Currently we run 2 call center apps out > of the thing. This past weekend the company changed our architecture from a > 1-tier system to a 2-tier system. (not sure if that's standard apps > architectures or not) When the reps began taking calls after that change, > performance slowed to a halt. They have now been taking phone calls on > paper for 5 days now. The company has reverted back to the 1-tier > architecture but the performance problem still exists. The people testing > the system describe the problem as follows: > > == > > ...one person running the call flows=>performance is fine. > > > > ...several persons running the call flows=>EXACTLY 1 minute delays between > screens. > > > > ...several more persons running the call flows=>EXACTLY 2 minute delays > between screens. > > > > ...several more persons running the call flows=>EXACTLY 3 minute delays > between screens. (weird) > > > > == > > apparently there is a script that can be run that just goes through the > screens without running ANY of the database code and the wait behavior is > the same. ???? > > > > I checked the machines involved from top and they are barely being worked. > > > > I checked the waits in the database and the largest event time is from > 'sqlnet message from client'. > > > > The company restored the system to a previous incarnation and it worked just > fine. > > > > Something is very very wrong. > > > > ....and thoughts would be greatly appreciated. > > > > Sorry for the vagueness. > > > > ...questions welcomed. > > > > Thanks for any info!!!! > > > > chris > > > > > > > > > > ---------------------------------------------------------------- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > ---------------------------------------------------------------- > To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx > put 'unsubscribe' in the subject line. > -- > Archives are at //www.freelists.org/archives/oracle-l/ > FAQ is at //www.freelists.org/help/fom-serve/cache/1.html > ----------------------------------------------------------------- ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------