Tkprof output

[Robertson Lee - lerobe]

Apologies for the length of the mail.

 

This query is running for a mad amount of time, anyone any ideas.

 

Code and tkprof out put shown below.

 

Huge TIA

 

Lee (who must learn more about such things !!!)

 

DECLARE CURSOR TEMP_CDS IS
SELECT ACXIOM_CUSTOMER_KEY,
       VERSION_NO,
       ADDRESS_OCCUPANCY_KEY
FROM   CUSTOMER_DETAIL_SOURCE
WHERE  VISIBLE=1;

 

COUNTER NUMBER(8);

 

BEGIN
   COUNTER:=0;
   FOR I IN TEMP_CDS
   LOOP

 

     UPDATE &SCHEMA..SINGLE_CUSTOMER SC
            SET VISIBLE = 1
            WHERE ACXIOM_CUSTOMER_KEY=I.ACXIOM_CUSTOMER_KEY
            AND   VERSION_NO         =I.VERSION_NO;

 

     UPDATE &SCHEMA..SINGLE_CUSTOMER_HISTORY SCH
            SET VISIBLE = 1
            WHERE ACXIOM_CUSTOMER_KEY=I.ACXIOM_CUSTOMER_KEY
            AND   VERSION_NO         =I.VERSION_NO;

 

     UPDATE &SCHEMA..ADDRESS_OCCUPANCY AO
            SET VISIBLE = 1
            WHERE ADDRESS_OCCUPANCY_KEY = I.ADDRESS_OCCUPANCY_KEY;

 

      COUNTER := COUNTER + 1;
      IF (COUNTER = 50000)
      THEN
          COUNTER:=0;
          COMMIT;
      END IF;
   END LOOP;
   COMMIT;

 

Sort options: prsela  exeela  fchela 
********************************************************************************
count    = number of times OCI procedure was executed
cpu      = cpu time in seconds executing
elapsed  = elapsed time in seconds executing
disk     = number of physical reads of buffers from disk
query    = number of buffers gotten for consistent read
current  = number of buffers gotten in current mode (usually for update)
rows     = number of rows processed by the fetch or execute call
********************************************************************************

 

UPDATE VM_LIVE.SINGLE_CUSTOMER SC SET VISIBLE=1
WHERE
 ACXIOM_CUSTOMER_KEY = :b1  AND VERSION_NO = :b2

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute  39562     15.51     398.98      56555     181085      40672       39562
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total    39562     15.51     398.98      56555     181085      40672       39562

 

Misses in library cache during parse: 0
Misses in library cache during execute: 1
Optimizer goal: CHOOSE
Parsing user id: 39  (VM_LIVE)   (recursive depth: 1)

 

Rows     Execution Plan
-------  ---------------------------------------------------
      0  UPDATE STATEMENT   GOAL: CHOOSE
      0   UPDATE OF 'SINGLE_CUSTOMER'
      0    TABLE ACCESS (BY INDEX ROWID) OF 'SINGLE_CUSTOMER'
      0     INDEX (UNIQUE SCAN) OF 'SINGLE_CUSTOMER_PK' (UNIQUE)

 

********************************************************************************

 

UPDATE VM_LIVE.ADDRESS_OCCUPANCY AO SET VISIBLE=1
WHERE
 ADDRESS_OCCUPANCY_KEY = :b1

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute  39562     12.57     186.88      57285     124038      40726       39562
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total    39562     12.57     186.88      57285     124038      40726       39562

 

Misses in library cache during parse: 0
Optimizer goal: CHOOSE
Parsing user id: 39  (VM_LIVE)   (recursive depth: 1)

 

Rows     Execution Plan
-------  ---------------------------------------------------
      0  UPDATE STATEMENT   GOAL: CHOOSE
      0   UPDATE OF 'ADDRESS_OCCUPANCY'
      0    INDEX (UNIQUE SCAN) OF 'I_ADDRESS_OCCUPANCY_I4' (UNIQUE)

 

********************************************************************************

 

UPDATE VM_LIVE.SINGLE_CUSTOMER_HISTORY SCH SET VISIBLE=1
WHERE
 ACXIOM_CUSTOMER_KEY = :b1  AND VERSION_NO = :b2

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute  39562      4.55       7.22      10897     118687          1           1
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total    39562      4.55       7.22      10897     118687          1           1

 

Misses in library cache during parse: 0
Optimizer goal: CHOOSE
Parsing user id: 39  (VM_LIVE)   (recursive depth: 1)

 

Rows     Execution Plan
-------  ---------------------------------------------------
      0  UPDATE STATEMENT   GOAL: CHOOSE
      0   UPDATE OF 'SINGLE_CUSTOMER_HISTORY'
      0    INDEX (UNIQUE SCAN) OF 'SINGLE_CUSTOMER_HISTORY_PK' (UNIQUE)

 

********************************************************************************

 

SELECT ACXIOM_CUSTOMER_KEY,VERSION_NO,ADDRESS_OCCUPANCY_KEY  
FROM
 CUSTOMER_DETAIL_SOURCE  WHERE VISIBLE = 1

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute      0      0.00       0.00          0          0          0           0
Fetch    39562      1.51       2.04        392      39618          0       39562
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total    39562      1.51       2.04        392      39618          0       39562

 

Misses in library cache during parse: 0
Parsing user id: 39  (VM_LIVE)   (recursive depth: 1)

 

 

 

********************************************************************************

 

OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute      0      0.00       0.00          0          0          0           0
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        0      0.00       0.00          0          0          0           0

 

Misses in library cache during parse: 0

 

OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS

 

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute 118686     32.63     593.08     124737     423810      81399       79125
Fetch    39562      1.51       2.04        392      39618          0       39562
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total   158248     34.14     595.12     125129     463428      81399      118687

 

Misses in library cache during parse: 0
Misses in library cache during execute: 1

 

    4  user  SQL statements in session.
    0  internal SQL statements in session.
    4  SQL statements in session.
    3  statements EXPLAINed in this session.
********************************************************************************
Trace file: ora_349778.trc
Trace file compatibility: 7.03.02
Sort options: prsela  exeela  fchela 
       1  session in tracefile.
       4  user  SQL statements in trace file.
       0  internal SQL statements in trace file.
       4  SQL statements in trace file.
       4  unique SQL statements in trace file.
       3  SQL statements EXPLAINed using schema:
           VM_LIVE.prof$plan_table
             Default table was used.
             Table was created.
             Table was dropped.
  158286  lines in trace file.



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