Just for fun, have you tried using truss to find out which calls are being used? That might help you.
Mladen Gogala Oracle DBA Phone:(203) 459-6855 Email:[EMAIL PROTECTED] -----Original Message----- Sent: Thursday, July 10, 2003 8:14 PM To: Multiple recipients of list ORACLE-L Raj, Yes. Timed_statistics=true. But I see the 'times' even in single instance(non-rac)database but relatively called negligible number of times. -Ravi. --- "Jamadagni, Rajendra" <[EMAIL PROTECTED]> wrote: > You seem to have timed_statistics=TRUE right ?? in > RAC you will ALWAYS see > GCS pings ... basically as long as > cluster_database=true, even if only one > node is running, you will still see Oracle trying to > ping other instances. > > My guess is that's what is happening ... but I could > be very well wrong, I > have RAC experience, but never tried to truss the > top processes. > > Raj > ---------------------------------------------------------------------------- > ---- > Rajendra dot Jamadagni at nospamespn dot com > All Views expressed in this email are strictly > personal. > QOTD: Any clod can have facts, having an opinion is > an art ! > > > -----Original Message----- > Sent: Thursday, July 10, 2003 12:30 PM > To: Multiple recipients of list ORACLE-L > > > Hello List, > > We are running Benchmark tests on Solaris 2-Node > RAC. > Consistently noticed the following : > - Very high Kernel usage (averaging 45%) on TOP > - Statspack has "IPC Send Completion sync" waits > (70% > Total ela time) > - On trussing top process, found Oracle to be > issuing > huge number of "times" system calls in addition to > read/writes(which I think are select/inserts). > Has anyone noticed this in your environment. I am > guessing these to be inter-instance pings, but could > not get any hits in Doc/Metalink to confirm this. > "times" call is clocking lot of CPU. Is this normal > ? > Any pointers would be helpful ? If this is out of > context, is there a separate list for RAC? > > Thanks, > Ravi. > > > > __________________________________ > Do you Yahoo!? > SBC Yahoo! DSL - Now only $29.95 per month! > http://sbc.yahoo.com > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.net > -- > Author: Ravi Kulkarni > 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). > > *********************************************************************This > e-mail message is confidential, intended only for > the named recipient(s) above and may contain > information that is privileged, attorney work > product or exempt from disclosure under applicable > law. If you have received this message in error, or > are not the named recipient(s), please immediately > notify corporate MIS at (860) 766-2000 and delete > this e-mail message from your computer, Thank > you.*********************************************************************1 > __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Ravi Kulkarni 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: Gogala, Mladen 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).
