Look for the code TOP 10 WRITE PINGING OBJECTS TOP 10 READ PINGING OBJECTS and TOP 10 FALSE PINGING OBJECTS in opsdiag.sql ( available in metalink doc. id 205809.1 )
Last week, we wrote a shell script to gather the above information every 20 minutes ( instead of running opsdiag.sql every 20 minutes ) and started taking actions on the indexes where we were seeing a high level of waits caused by 'global cache cr request'. Atleast two of the TOP 10 were indexes that could be comfortably dropped w/o causing any application degradation in our case. Hope this helps. Govind -----Original Message----- Sent: Tuesday, October 29, 2002 1:40 PM To: Multiple recipients of list ORACLE-L We are currently running 8i OPS and having serious issues with "global cache request" waits that kill the performance on the machines. Because of this issue, we are almost being forced to upgrade to 9i RAC. I hope and pray that this will work out, but I've learned to not count on much until you actually see it running in your environment. I'm not concerned though because the sales people tell me it's the best thing since sliced bread. :) Rick Stephenson Oracle Database Administrator Ovid Technologies, Inc. [EMAIL PROTECTED] -----Original Message----- Sent: Tuesday, October 29, 2002 10:49 AM To: Multiple recipients of list ORACLE-L I run it at home on the laptop if that counts :-) But seriously, I'm working with a client who are migrating from a large Sun box to a 4node Tru64 RAC architecture on 9.2 Do I think it will work....probably not Cheers Connor --- Mark Leith <[EMAIL PROTECTED]> wrote: > A quick question out to the masses.. > > How many of you out there are ACTUALLY USING 9i RAC > technology? > > If not already using it - how many have plans to use > it (or at least plan to investigate it)? > > Cheers > > Mark > > =================================================== > Mark Leith | T: +44 (0)1905 330 281 > Sales & Marketing | F: +44 (0)870 127 5283 > Cool Tools UK Ltd | E: [EMAIL PROTECTED] > =================================================== > http://www.cool-tools.co.uk > Maximising throughput & performance > > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.com > -- > Author: Mark Leith > 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). ===== Connor McDonald http://www.oracledba.co.uk http://www.oaktable.net "Remember amateurs built the ark - Professionals built the Titanic" __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: =?iso-8859-1?q?Connor=20McDonald?= 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.com -- Author: Rick Stephenson 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.com -- Author: 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).
