Performance of OPA problem

Hello OPA Experts.

I built the OPA rules and mapping of Siebel IO for the calculation of the line item. OPA calculates the discount and upsert discount for Siebel. during the tests for the 1000 items, it took 2 minutes to run the workflow OTB "Policy of automation evaluate IO", I added steps for upsert and map data. Here are the results:

1 step 'Load IO' has 7 seconds

' 2 ' call access IO "took 1 minute 2 seconds

I use the Tomcat server in my room for tests. Why it takes so long to get the response from OPA? How can I improve the performance, I can use IO searchSpec to send only the headings meet for calculation. But the user that the process all the 1000 posts on click of a button. Please let me know if we can improve performance or it's OOTB behavior. Thank you.

What version of OPA Siebel connector are you using? There are a few significant improvements between 10.4.2 and 10.4.4 preformance.

A few things to look at:

If you do a lot of relationships presumed or inferred from the entities that may be quite slow. For example, if every line item has a possible relationship alleged among 1000 other posts which will result in 1000 x 1000 assessments for membership.

Also, if you return the records of decision, they can be vary large, especially if there is one per line.

See you soon

Frank

Tags: Oracle Applications

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SYSSTATS_INFO                  DSTOP                                                 07-25-2006 23:19
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----------------------------------------------------------------------------------------------------
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|   0 | SELECT STATEMENT      |                    |  1352K|   771M|       | 60042   (3)| 00:05:56 |
|*  1 |  HASH JOIN            |                    |  1352K|   771M|    27M| 60042   (3)| 00:05:56 |
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|   3 |   TABLE ACCESS FULL   | TABLE_A            |  2190K|  1230M|       | 32357   (4)| 00:03:12 |
----------------------------------------------------------------------------------------------------

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----------------------------------------------------------------------------------------
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  6  WHERE
  7  ab.channel_fk IN (7, 1);

1336148 rows selected.


Execution Plan
----------------------------------------------------------
Plan hash value: 3781163428
----------------------------------------------------------------------------------------------------
| Id  | Operation             | Name               | Rows  | Bytes |TempSpc| Cost (%CPU)| Time     |
----------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT      |                    |  1352K|   771M|       | 60042   (3)| 00:05:56 |
|*  1 |  HASH JOIN            |                    |  1352K|   771M|    27M| 60042   (3)| 00:05:56 |
|*  2 |   INDEX FAST FULL SCAN| SYS_IOT_TOP_316310 |  1352K|    11M|       |  1816   (4)| 00:00:11 |
|   3 |   TABLE ACCESS FULL   | TABLE_A            |  2190K|  1230M|       | 32357   (4)| 00:03:12 |
----------------------------------------------------------------------------------------------------


Predicate Information (identified by operation id):
---------------------------------------------------

   1 - access("AB"."MEDIA_FK"="A"."ID")
   2 - filter("AB"."CHANNEL_FK"=1 OR "AB"."CHANNEL_FK"=7)

Note
-----
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Statistics
----------------------------------------------------------
      10586  recursive calls
          0  db block gets
     200457  consistent gets
     408343  physical reads
          0  redo size
  498740848  bytes sent via SQL*Net to client
     147371  bytes received via SQL*Net from client
      13363  SQL*Net roundtrips to/from client
         49  sorts (memory)
          0  sorts (disk)
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Copyright (c) 1982, 2007, Oracle.  All rights reserved.

Trace file: ..._ora_4896.trc
Sort options: default

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

ALTER SYSTEM SET TIMED_STATISTICS = TRUE


call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.03          0          0          0           0
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        2      0.00       0.03          0          0          0           0

Misses in library cache during parse: 0
Parsing user id: 21
********************************************************************************

SELECT
a.*
FROM
table_a a
INNER JOIN table_a_b ab ON a.id = ab.media_fk
WHERE
ab.channel_fk IN (7, 1)

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        1      0.01       0.00          0          0          0           0
Execute      1      0.00       0.00          0          0          0           0
Fetch        2     27.23     163.57     179906     198394          0          16
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        4     27.25     163.58     179906     198394          0          16

Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 21



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

OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        2      0.01       0.00          0          0          0           0
Execute      2      0.00       0.03          0          0          0           0
Fetch        2     27.23     163.57     179906     198394          0          16
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        6     27.25     163.62     179906     198394          0          16

Misses in library cache during parse: 1


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      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

    2  user  SQL statements in session.
    0  internal SQL statements in session.
    2  SQL statements in session.
********************************************************************************
Trace file: ..._ora_4896.trc
Trace file compatibility: 10.01.00
Sort options: default

       1  session in tracefile.
       2  user  SQL statements in trace file.
       0  internal SQL statements in trace file.
       2  SQL statements in trace file.
       2  unique SQL statements in trace file.
      46  lines in trace file.
     187  elapsed seconds in trace file.
    DBMS_XPLAN. Output DISPLAY_CURSOR:
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PLAN_TABLE_OUTPUT
SQL_ID  474frsqbc1n4d, child number 0
-------------------------------------
SELECT /*+ gather_plan_statistics */ c.* FROM table_a c INNER JOIN table_a_b ab ON c.id = ab.media_fk WHERE ab.channel_fk IN (7, 1)

Plan hash value: 3781163428

---------------------------------------------------------------------------------------------------------------------------------------------------
| Id  | Operation             | Name               | Starts | E-Rows | A-Rows |   A-Time   | Buffers | Reads  | Writes |  OMem |  1Mem | Used-Mem |
---------------------------------------------------------------------------------------------------------------------------------------------------
|*  1 |  HASH JOIN            |                    |      1 |   1352K|   1050 |00:00:40.93 |     198K|    182K|    209K|    29M|  5266K| 3320K (1)|
|*  2 |   INDEX FAST FULL SCAN| SYS_IOT_TOP_316310 |      1 |   1352K|   1336K|00:00:01.34 |   10874 |      0 |      0 |       |       |          |
|   3 |   TABLE ACCESS FULL   | TABLE_A            |      1 |   2190K|   2267K|00:02:45.56 |     187K|    182K|      0 |       |       |          |
---------------------------------------------------------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   1 - access(""AB"".""MEDIA_FK""=""C"".""ID"")
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    -----

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