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Performance issue [message #436017] Mon, 21 December 2009 01:58 Go to next message
key_arif75
Messages: 3
Registered: December 2009
Location: SAUDI
Junior Member
We previous had oracle 10g on sun solaris v890(Sun fire) and we had more that 100 users connected and we had no performance issues.We recently changed the environment to windows 2003 on dell poweredge rack mount server.When same number of users are connected now we are facing a big decrease in performace.Even for saving two line items in transaction its taking too much time.We did also analyzed table.Still its the same.

[Updated on: Mon, 21 December 2009 02:02]

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Re: Performance issue [message #436018 is a reply to message #436017] Mon, 21 December 2009 02:03 Go to previous messageGo to next message
Michel Cadot
Messages: 58618
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Use standard Oracle and Windows tools to investigate performances.
For Oracle read:
OraFAQ Forum Guide, Performance Tuning section
Performances Tuning sticky
Database Performance Tuning Guide

Regards
Michel
Re: Performance issue [message #436052 is a reply to message #436018] Mon, 21 December 2009 04:03 Go to previous messageGo to next message
key_arif75
Messages: 3
Registered: December 2009
Location: SAUDI
Junior Member
Hi Michel,

Thanks for your prompt response.Its high time now to read all thise.Can you give me some immediate parameters that need to be checked or improve the performance.
Re: Performance issue [message #436064 is a reply to message #436052] Mon, 21 December 2009 04:58 Go to previous messageGo to next message
Michel Cadot
Messages: 58618
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
No, it depends on what is the cause of the problem and you can only determine the cause by applying the monitoring/advisor tools.
Search for "AWR report" or "ASH report" if you purchased them, otherwise search for "statspack report" (see sp*.* in your ORACLE_HOME/rdbms/admin directory).

Regards
Michel

[Updated on: Mon, 21 December 2009 04:58]

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Re: Performance issue [message #436136 is a reply to message #436052] Mon, 21 December 2009 14:47 Go to previous message
BlackSwan
Messages: 22527
Registered: January 2009
Senior Member
>Can you give me some immediate parameters that need to be checked or improve the performance.
Which system resource (RAM, CPU, I/O, or network) is the bottleneck?
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