the DB is *not* experiencing any waits... i'm trying to bring down the run time of the insertion process, currently it takes around 9 hrs... the management wants to bring it down to 5-6 hrs...again.. i OD NOT see any wait events while the process is running..
there are no indexes on the tables > ---------- > From: Tim Gorman[SMTP:[EMAIL PROTECTED]] > Reply To: [EMAIL PROTECTED] > Sent: Friday, October 25, 2002 9:13 PM > To: Multiple recipients of list ORACLE-L > Subject: Re: can clustering help INSERTS ? > > Rahul, > > It does no good to speculate; let's work with facts... > > What wait-events are occurring in the sessions running the INSERTs? If > you > can locate the sessions in the V$SESSION view, then use the value in the > column SID to locate associated rows in the V$SESSION_EVENT view, sorting > by > the cumulative time spent on each wait-event: > > select event, time_waited, average_time, max_time > from v$session_event > where sid = &&SID > union > select n.name, s.value, 0, 0 > from v$sesstat s, v$statname n > where s.sid = &&SID > and n.name in ('CPU used by this session','parse time > cpu','recursive > cpu usage') > and s.statistic# = n.statistic# > order by 2 desc > > As you can see, in addition to wait-event information, this query will > also > mix in CPU statistics from the V$SESSTAT view, to give a better picture of > where time is being spent by these sessions... > > Can you post the results of these queries back to the list? > > Thanks! > > -Tim > > ----- Original Message ----- > To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> > Sent: Friday, October 25, 2002 6:18 AM > > > > List, > > i have two heavily inserted tables, the structures are same. > > currently these tables reside on separate disks, can i increase the > > performance > > of inserts if i create these tables in a cluster ? as a cluster would > force > > the rows of both the tables > > to be physically close on the disk ! > > > > regards > > -rahul > > > > Ora 7.3 on AIX > > > > > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.com > > -- > > Author: Rahul > > 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: Tim Gorman > 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: Rahul 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).