I guess fixing queries and code can give much significant and noticable performance gain compared to what one can get by fixing redo copy latch .
-ak ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: Wednesday, July 02, 2003 9:40 AM > Hello ALL, > > Do you guys think we have redo copy latch contention ?? Also what are your suggestions on tuning Redo Copy Latch ?? > > > SUBSTR(LN.NAME,1,20) GETS MISSES IMMEDIATE_GETS IMMEDIATE_MISSES > -------------------- ---------- ---------- -------------- ---------------- > redo allocation 943350646 8862115 0 0 > redo copy 22097 497 907958724 1592481 > > 14:54:54 SQL> select (497/22097)*100 from dual; > > (497/22097)*100 ~ (misses/gets)*100 > --------------- > 2.2491741 <------- Oracle suggests it should be under 1% > > > Madhu Reddy > X13944 > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Reddy, Madhusudana > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: AK INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
