RE: sequential waits -- how to proceed

2003-06-18 Thread Jesse, Rich
PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 17, 2003 11:49 PM To: Multiple recipients of list ORACLE-L Subject: Re: sequential waits -- how to proceed Thanks for your reply ... I understand that it is a sql per row update but the same update on UAT environment works at a rate

sequential waits -- how to proceed

2003-06-17 Thread sat0789
Hello ALL, Oracle ver is 9.2 running on EMC array. I am executing a pl/sql procedure which does an update on a fact table. There is an unique index on the fact, with clearly shows up in the explain plan for udapte. I ran 10046 event for a 18 min duration during this update process and

Re: sequential waits -- how to proceed

2003-06-17 Thread Wolfgang Breitling
Your pl/sql procedure is obviously doing a sql per row updated rather than a set update. Unless you change the procedure you can expect only marginal improvement from any other measure. At 03:29 PM 6/17/2003 -0800, you wrote: Hello ALL, Oracle ver is 9.2 running on EMC array. I am executing

Re: sequential waits -- how to proceed

2003-06-17 Thread sat0789
Thanks for your reply ... I understand that it is a sql per row update but the same update on UAT environment works at a rate of about 2000 rows per sec. Though the data volume is definetly less compared to PROD, still there is night and day difference between prod and uat..In terms of the

Re: sequential waits -- how to proceed

2003-06-17 Thread Wolfgang Breitling
Does the UAT have the same data volume, same nr of rows and blocks in the table being updated? At 08:49 PM 6/17/2003 -0800, you wrote: Thanks for your reply ... I understand that it is a sql per row update but the same update on UAT environment works at a rate of about 2000 rows per sec. Though