Matt, What are jumbo frames? Are these assigning private network IPs to cluster_interconnects parameter? -Ravi.
--- Matthew Zito <[EMAIL PROTECTED]> wrote: > > And are you using jumbo frames on your interconnect? > That can make a > significant contribution to reducing overhead from a > system standpoint. > > Thanks, > Matt > > -- > Matthew Zito > GridApp Systems > Email: [EMAIL PROTECTED] > Cell: 646-220-3551 > Phone: 212-358-8211 x 359 > http://www.gridapp.com > > > -----Original Message----- > > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > > Behalf Of K Gopalakrishnan > > Sent: Thursday, July 10, 2003 11:44 AM > > To: Multiple recipients of list ORACLE-L > > Subject: RE: RAC system Calls > > > > > > Ravi: > > > > Do you have a statspack report? I would like to > see that. But > > in any case, 45% kernel is just too much? > > > > BTW have you verified the private interconnect is > used > > for cache fusion transfer.. Make sure the cache > fusion > > is not going thru the public network. > > > > > > > > Best Regards, > > K Gopalakrishnan > > > > > > > > > > -----Original Message----- > > Ravi Kulkarni > > Sent: Thursday, July 10, 2003 9:30 AM > > 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). > > > > > > -- > > Please see the official ORACLE-L FAQ: > http://www.orafaq.net > > -- > > Author: K Gopalakrishnan > > 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: Matthew Zito > 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). __________________________________ 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).
