LIOs on INSERT?

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
********************************************************************************=20=
=20=






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