LIOs on INSERT?
- From: Patty.Charlebois@xxxxxxxxxxxxxx
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 10 Feb 2005 10:09:56 -0500
I am trying to tune a custom app running on Oracle 9=2E2=2E0=2E5 for AIX 5L=20=
(64bit) and found the following SQL in my statspack snapshot=2E=20=
1) Why there are so many LIOs on an INSERT statement?
2) What can I do to reduce the LIOs?
TIA=2E=2E=2E=2E Patty
INSERT INTO PROD=2ECLAIM_RELATED_RULE ( CLRR_CLAIM_RULE_ID,=20=
CF_CLAIM_FORM_ID,=20=
CLAIM_FORM_REVISION_NO, CL_CLAIM_ID, CLAIM_REVISION_NO, CD_DETAIL_ID,=20=
SU_SUBS_ID, PA_DEP_NO, CAT_CATG_TYPE_CD, CAT_CATG_ID,=20=
BC_BNFT_CATG_TYPE_CD,=20=
BC_BNFT_CATG_ID, RULE_TYPE_CD, RD_RULE_DEFN_ID, RU_RULE_ID,=20=
CT_CLIENT_ID,=20=
CO_OFFERING_ID, CTRR_CLIENT_RULE_ID, ACCUM_CD, RULE_SCOPE_CD,=20=
RELATED_TABLE_TYPE_CD, CLRR_RULE_OVERRIDE_IND, OVERRIDE_REASON_CD,=20=
CLRR_PAYMENT_REDUCTION_AMT, RULE_ADJUDICATION_STATUS_CD,=20=
CLRR_INTERACTIVE_MSG_SEND_IND, INTERACTIVE_RESPONSE_CD, RESPONSE_CD,=20=
CLRR_UNITS_CNT, CORRESPONDENCE_TYPE_CD, CLRR_PAYMENT_ACCUM_AMT,=20=
CLRR_UNITS_REDUCTION_CNT, ACCUM_REVERSAL_CD, CLRR_ACCUM_PERIOD,=20=
CLRR_ACCUM_UNITS_CNT, CLRR_PAYMENT_ACCUM_SECD_AMT )=20=
VALUES
( :B36, :B35, :B34, :B33, :B32, :B31, :B30, :B29, :B28, :B27, :B26, :B25,=20=
:B24, :B23, :B22, :B21, :B20, :B19, :B18, :B17, :B16, :B15, :B14, :B13,=20=
:B12, :B11, :B10, :B9, :B8, :B7, :B6, :B5, :B4, :B3, :B2, :B1 )
call count cpu elapsed disk query current =20=
rows
------- ------ -------- ---------- ----------=20=
---------- ---------- ----------
Parse 0 0=2E00 0=2E00 0 0 0 0
Execute 44025 13=2E26 45=2E46 4048 7274 809149 44025
Fetch 0 0=2E00 0=2E00 0 0
0=20=
0
------- ------ -------- ---------- ---------- ---------- ----------=20=
----------
total 44025 13=2E26 45=2E46 4048 7274 809149 44025
Misses in library cache during parse: 0
Optimizer goal: CHOOSE
Parsing user id: 21 (PROD) (recursive depth: 1)
Rows Execution Plan
------- ---------------------------------------------------
0 INSERT STATEMENT GOAL: CHOOSE
Elapsed times include waiting on following events:
Event waited on Times Max=2E Wait Total=20=
Waited
---------------------------------------- Waited ----------=20=
------------
db file sequential read 4048 0=2E09 31=2E82
buffer busy waits 218 0=2E04 0=2E60
enqueue 22 0=2E02 0=2E09
latch free 118 0=2E01 0=2E17
log file switch completion 4 0=2E02 0=2E07
log file sync 10 0=2E02 0=2E18
buffer deadlock 3 0=2E00 0=2E00
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