Change the application so that it doesn't parse twice. See www.hotsos.com/dnloads/1.Holt,Millsap2000.03.01-Scaling.pdf for details.
Cary Millsap Hotsos Enterprises, Ltd. http://www.hotsos.com Upcoming events: - Hotsos Clinic, Jul 23-25 Chicago - Miracle Database Forum, Sep 20-22 Middlefart Denmark - 2003 Hotsos Symposium on Oracle(r) System Performance, Feb 9-12 Dallas -----Original Message----- Sent: Monday, July 22, 2002 10:43 PM To: Multiple recipients of list ORACLE-L Cary Millsap， As for the soft parse, it also consumes cpu , how can we eleminate the softparse? Thanks. 2002-07-22 08:58:00 You wrote: >...Because the application requested two parse calls for this statement >from the server. The first one was a hard parse (server had never seen >the statement before), and the second one was a parse call that did not >result in a hard parse. > > >Cary Millsap >Hotsos Enterprises, Ltd. >http://www.hotsos.com > >Upcoming events: >- Hotsos Clinic, Jul 23-25 Chicago >- Miracle Database Forum, Sep 20-22 Middlefart Denmark >- 2003 Hotsos Symposium on OracleR System Performance, Feb 9-12 Dallas > > > >-----Original Message----- >VIVEK_SHARMA >Sent: Monday, July 22, 2002 8:03 AM >To: Multiple recipients of list ORACLE-L > > >Qs Why is Parse = 2 in the following Query ? > >Solaris 8 >Oracle 8.1.7 >SGA = 60 MB >shared_pool_size = 30 MB > >*********************************************************************** * >******** > >select mesg, lchg_user_id, TO_CHAR(lchg_time,'DD-MM-YYYY HH24:MI:SS'), > rcre_user_id, TO_CHAR(rcre_time,'DD-MM-YYYY HH24:MI:SS'), tran_id, > TO_CHAR(tran_date,'DD-MM-YYYY HH24:MI:SS'), NVL(ts_cnt,0), sol_id, > contra_acid, tran_amt||'!'||tran_crncy_code, >TO_CHAR(value_date,'DD-MM-YYYY > HH24:MI:SS'), tran_crncy_code, central_or_local_code, req_advc_ind, > sys_gen_flg, rowid >FROM > TBA_REF_TRN_TBL WHERE cmd = :1 AND cust_or_card_id = :2 AND > system_date_time = TO_DATE( :3 ,'DD-MM-YYYY HH24:MI:SS') AND dcc_id = >:4 > AND sno = :5 > > >call count cpu elapsed disk query current >rows >------- ------ -------- ---------- ---------- ---------- ---------- >---------- >Parse 2 0.06 0.07 1 0 1 >0 >Execute 2 0.00 0.00 0 0 0 >0 >Fetch 2 0.00 0.02 3 6 0 >0 >------- ------ -------- ---------- ---------- ---------- ---------- >---------- >total 6 0.06 0.09 4 6 1 >0 > >Misses in library cache during parse: 1 >Optimizer goal: CHOOSE >Parsing user id: 40 (TBAGEN) > >Rows Row Source Operation >------- --------------------------------------------------- > 0 TABLE ACCESS BY INDEX ROWID REF_TRN_TBL > 1 INDEX UNIQUE SCAN (object id 6561) > > > >Rows Execution Plan >------- --------------------------------------------------- > 0 SELECT STATEMENT GOAL: CHOOSE > 0 TABLE ACCESS (BY INDEX ROWID) OF 'REF_TRN_TBL' > 1 INDEX (UNIQUE SCAN) OF 'IDX_REF_TRN_TBL' (UNIQUE) > >*********************************************************************** * >******** >-- >Please see the official ORACLE-L FAQ: http://www.orafaq.com >-- >Author: VIVEK_SHARMA > INET: [EMAIL PROTECTED] > >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 >San Diego, California -- Public Internet access / Mailing Lists >-------------------------------------------------------------------- >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: Cary Millsap > INET: [EMAIL PROTECTED] > >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 >San Diego, California -- Public Internet access / Mailing Lists >-------------------------------------------------------------------- >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). Good luck! chaos [EMAIL PROTECTED] zhu chao DBA of Eachnet.com 86-021-32174588-667 -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: chaos INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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: Cary Millsap INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
