Need RAC Tuning - Query

Hi,
I have been facing a problem for the past two days. We have a two node RAC and the DB was working fine until Monday.
Suddenly we came across a lots of Deadlocks with two tables and their was repeated ORA-00060 error in the Alert. And when we analyzed we got the tables and query from the trace. We are not sure about the cause of deadlock because all the columns involved in the query are properly indexes and all foreign keys are also indexes.
When we try the same scenario locally it is working fine but when it get simultaneous hits say like 10 users the query hangs. This was working fine past week.
Below is the observation in ADDM:
FINDING 1: 100% impact (31499 seconds)
SQL statements were found waiting for row lock waits.
RECOMMENDATION 1: Application Analysis, 96% benefit (30314 seconds)
ACTION: Significant row contention was detected in the TABLE
"NIC_GS.T_INSURED_LIST" with object id 270988. Trace the cause of row
contention in the application logic using the given blocked SQL.
RELEVANT OBJECT: database object with id 270988
RATIONALE: The SQL statement with SQL_ID "41k7uj9f36tv0" was blocked on
row locks.
RELEVANT OBJECT: SQL statement with SQL_ID 41k7uj9f36tv0
update T_INSURED_LIST set UPDATE_TIME=:1, POLICY_ID=:2,
SUM_INSURED=:3, INSERT_TIME=:4, FIELD12=:5, FIELD13=:6 where
INSURED_ID=:7
RATIONALE: The SQL statement with SQL_ID "9dg72r8w5nap6" was blocked on
row locks.
RELEVANT OBJECT: SQL statement with SQL_ID 9dg72r8w5nap6
update T_INSURED_LIST set UPDATE_TIME=:1, POLICY_ID=:2,
INSERT_TIME=:3, FIELD12=:4, FIELD13=:5 where INSURED_ID=:6
RATIONALE: The SQL statement with SQL_ID "d6n84rch33cbq" was blocked on
row locks.
RELEVANT OBJECT: SQL statement with SQL_ID d6n84rch33cbq
update T_INSURED_LIST set sum_insured=:1 where insured_id=:2
FINDING 2: 98% impact (31024 seconds)
SQL statements consuming significant database time were found.
RECOMMENDATION 1: SQL Tuning, 53% benefit (16830 seconds)
ACTION: Investigate the SQL statement with SQL_ID "41k7uj9f36tv0" for
possible performance improvements.
RELEVANT OBJECT: SQL statement with SQL_ID 41k7uj9f36tv0 and
PLAN_HASH 610793629
update T_INSURED_LIST set UPDATE_TIME=:1, POLICY_ID=:2,
SUM_INSURED=:3, INSERT_TIME=:4, FIELD12=:5, FIELD13=:6 where
INSURED_ID=:7
RATIONALE: SQL statement with SQL_ID "41k7uj9f36tv0" was executed 63
times and had an average elapsed time of 267 seconds.
RATIONALE: Waiting for event "enq: TX - row lock contention" in wait
class "Application" accounted for 99% of the database time spent in
processing the SQL statement with SQL_ID "41k7uj9f36tv0".
Please suggest....

Hi,
Thanks for your response..
We have AIX server with oracle 10.2.0.4.
We have narrowed down the issue : The table contains multiple insurance products and the problem is not occurring all the products but in only one product.
I have been attaching the full trace of Deadlock.
----------enqueue 0x7000002cf73bff0------------------------
lock version : 37
Owner node : 0
grant_level : KJUSERNL
req_level : KJUSEREX
bast_level : KJUSERNL
notify_func : 0
resp : 7000002aa711890
procp : 7000002ca743c90
pid : 4460708
proc version : 0
oprocp : 0
opid : 0
group lock owner : 7000002c84f0398
possible pid : 4460708
xid : 101E-01EE-00000002
dd_time : 2.0 secs
dd_count : 0
timeout : 0.0 secs
On_timer_q? : N
On_dd_q? : Y
lock_state : OPENING CONVERTING
Open Options : KJUSERDEADLOCK
Convert options : KJUSERGETVALUE
History : 0x1495149a
Msg_Seq : 0x0
res_seq : 1
valblk : 0x00000000000000000000000000000000 .
DUMP LOCAL BLOCKER: initiate state dump for DEADLOCK
possible owner[494.4460708] on resource TX-0087002D-000012DF
Submitting asynchronized dump request [28]
*** 2012-08-22 15:51:13.021
kjddopr: skip converting lock 7000002c8a214d0 dd_cnt 1
user session for deadlock lock 7000002cf73c698
pid=242 serial=2 audsid=323336032 user: 103/Samp_GS
O/S info: user: Samp, term: , ospid: 1234, machine: Samp-PEBAAP1A-AR
program:
Current SQL Statement:
update T_POLICY_CT set UPDATE_TIME=:1, INSERT_TIME=:2, FIELD01=:3, FIELD02=:4, FIELD03=:5, FIELD04=:6, FIELD07=:7, FIELD66=:8 where POLICY_CT_ID=:9
user session for deadlock lock 7000002cf73c548
pid=244 serial=2 audsid=323336034 user: 103/Samp_GS
O/S info: user: Samp, term: , ospid: 1234, machine: Samp-PEBAAP1A-AR
program:
Current SQL Statement:
update T_INSURED_LIST set sum_insured=:1 where insured_id=:2
user session for deadlock lock 7000002c8adf120
pid=244 serial=2 audsid=323336034 user: 103/Samp_GS
O/S info: user: Samp, term: , ospid: 1234, machine: Samp-PEBAAP1A-AR
program:
Current SQL Statement:
update T_INSURED_LIST set sum_insured=:1 where insured_id=:2
user session for deadlock lock 7000002c8a21380
pid=242 serial=2 audsid=323336032 user: 103/Samp_GS
O/S info: user: Samp, term: , ospid: 1234, machine: Samp-PEBAAP1A-AR
program:
Current SQL Statement:
update T_POLICY_CT set UPDATE_TIME=:1, INSERT_TIME=:2, FIELD01=:3, FIELD02=:4, FIELD03=:5, FIELD04=:6, FIELD07=:7, FIELD66=:8 where POLICY_CT_ID=:9
Global blockers dump start:---------------------------------
DUMP LOCAL BLOCKER/HOLDER: block level 5 res [0x2d0025][0x4ff2],[TX]
----------resource 0x7000002aa711890----------------------
resname : [0x2d0025][0x4ff2],[TX]
Local node : 0
dir_node : 0
master_node : 0
hv idx : 118
hv last r.inc : 4
current inc : 4
hv status : 0
hv master : 1
open options : dd
grant_bits : KJUSERNL KJUSEREX
grant mode : KJUSERNL KJUSERCR KJUSERCW KJUSERPR KJUSERPW KJUSEREX
count : 1 0 0 0 0 1
val_state : KJUSERVS_NOVALUE
valblk : 0x00000000000000000000000000000000 .
access_node : 0
vbreq_state : 0
state : x0
resp : 7000002aa711890
On Scan_q? : N
Total accesses: 43
Imm. accesses: 39
Granted_locks : 1
Cvting_locks : 1
value_block: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
GRANTED_Q :
lp 7000002cf73c548 gl KJUSEREX rp 7000002aa711890 [0x2d0025][0x4ff2],[TX]
master 0 gl owner 7000002cf501998 possible pid 2551964 xid 100F-00F4-00000002 bast 0 rseq 5 mseq 0 history 0x14951495
open opt KJUSERDEADLOCK
CONVERT_Q:
lp 7000002cf73c698 gl KJUSERNL rl KJUSEREX rp 7000002aa711890 [0x2d0025][0x4ff2],[TX]
master 0 gl owner 7000002c8544830 possible pid 2588702 xid 100F-00F2-00000002 bast 0 rseq 5 mseq 0 history 0x1495149a
convert opt KJUSERGETVALUE
----------enqueue 0x7000002cf73c548------------------------
lock version : 109
Owner node : 0
grant_level : KJUSEREX
req_level : KJUSEREX
bast_level : KJUSERNL
notify_func : 0
resp : 7000002aa711890
procp : 7000002ca6f5870
pid : 2588702
proc version : 0
oprocp : 0
opid : 0
group lock owner : 7000002cf501998
possible pid : 2551964
xid : 100F-00F4-00000002
dd_time : 0.0 secs
dd_count : 0
timeout : 0.0 secs
On_timer_q? : N
On_dd_q? : N
lock_state : GRANTED
Open Options : KJUSERDEADLOCK
Convert options : KJUSERNOQUEUE
History : 0x14951495
Msg_Seq : 0x0
res_seq : 5
valblk : 0x00000000000000000000000000000000 .
DUMP LOCAL BLOCKER: initiate state dump for DEADLOCK
possible owner[244.2551964] on resource TX-002D0025-00004FF2
Submitting asynchronized dump request [28]
Please suggest....

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tableA:
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id2, task2
tableB:
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id0, 0, foo
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Edited by: user9979830 on Mar 29, 2011 10:53 AM
Edited by: user9979830 on Mar 29, 2011 10:58 AM

Hi,
Welcome to the forum!
user9979830 wrote:
what i have:...Thanks for posting that so clearly!
Whenever you have a question, it's even better if you post CREATE TABLE and INSERT statements for your sample data, like this:
CREATE TABLE     tablea
(       puid     VARCHAR2 (5)
,     task     VARCHAR2 (5)
INSERT INTO tablea (puid, task) VALUES ('id0', 'task0');
INSERT INTO tablea (puid, task) VALUES ('id1', 'task1');
INSERT INTO tablea (puid, task) VALUES ('id2', 'task2');
CREATE TABLE     tablec
(       puid     VARCHAR2 (5)
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It doesn't look like tableb plays any role in this problem, so I didn't post it.
Explain how you get the results from that data. For example, why do you want this row in the results:
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id0   task0 12/22/2010 12/21/2010 12/22/2010? Does 12/21 have to go in the first column because it is the earliest date, or is it because 12/21 is related to the lowest seq value? Or do you even care about the order, just as long as all 3 dates are shown?
Always say what version of Oracle you're uisng. The query below will work in Oracle 9 (and up), but starting in Oracle 11, the SELECT ... PIVOT feature could help you.
i can get output like below through several joins, however i was hoping to condense each "id" into a single line... Condensing the output, so that there's only one line for each puid, sounds like a job for "GROUP BY puid":
WITH     got_r_num     AS
     SELECT     puid
     ,     dt
     ,     ROW_NUMBER () OVER ( PARTITION BY puid
                               ORDER BY         seq          -- and/or dt
                       )         AS r_num
     FROM    tablec
--     WHERE     ...     -- If you need any filtering, put it here
SELECT       a.puid
,       a.task
,       MIN (CASE WHEN r.r_num = 1 THEN r.dt END)     AS dt1
,       MIN (CASE WHEN r.r_num = 2 THEN r.dt END)     AS dt2
,       MIN (CASE WHEN r.r_num = 3 THEN r.dt END)     AS dt3
,       MIN (CASE WHEN r.r_num = 4 THEN r.dt END)     AS dt4
FROM       tablea    a
JOIN       got_r_num r ON   a.puid = r.puid
GROUP BY a.puid
,            a.task
ORDER BY a.puid
;I'm guessing that you want the dates arranged by seq; that is, for each puid, the date related to the lowest seq comes first, regardless of whther that date is the earliest date for that puid or not. If that's not what you need, then change the analytic ORDER BY clause.
This does not assume that the seq values are always consecutive integers (0, 1, 2, ...) for each puid. You can skip, or even duplicate values. However, if the values are always consecutive integers, starting from 0, then you could simplify this. You won't need a sub-query at all; just use seq instead of r_num in the main query.
Here's the output I got from the query above:
PUID TASK DT1        DT2        DT3        DT4
id0   task0 12/21/2010 12/22/2010 12/22/2010
id1   task1 12/23/2010
id2   task2 12/22/2010 12/23/2010As posted, the query will display the first 4 dts for each puid.
If there are fewer than 4 dts for a puid, the query will still work. It will leave some columns NULL at the end.
If there are more than 4 dts for a puid, the query will still work. It will display the first 4, and ignore the others.
There's nothing special about the number 4; you could make it 3, or 5, or 35, but whatever number you choose, you have to hard-code that many columns into the query, and always get that many columns of output.
For various ways to deal with a variable number of pivoted coolumns, see the following thread:
PL/SQL
This question actually doesn't have anything to do with SQL*Plus; it's strictly a SQL question, and SQL questions are best posted on the "SQL and PL/SQL" forum:
PL/SQL
If you're not sure whether a question is more of a SQL question or a SQL*Plus question, then post it on the SQL forum. Many more people pay attention to that forum than to this one.

I need that this query return only one value

Hi, please. I need your help. I have this query:
SELECT c.charvalue "Comentario", max(pi.id) as "id" --into :gcpe_last_comment
FROM twflprocessinstances pi, twfliprocessparameters c
WHERE pi.id = c.iprocess_id
AND c.param_id = 1002286
AND c.charvalue IS NOT NULL
AND pi.processdef_id = 1600
AND to_number(pi.id) <> 3817940
AND to_number(pi.seeparameter1) =80137377
group by c.charvalue
having max(pi.id)
This query return 3 rows, but I need that this query return only one row. The row that this query should return is the row before at the max id. Thanks

Mmmm...I don't get it.
You might need to post some sample data and expected results.

WHEN-TREE-NODE-SELECTED need 2 Execute-Query on Master-Detail data block

I optimize tree using this link
http://andreas.weiden.orcl.over-blog.de/article-29307730.html_+
For huge amount of data (Accountings)
All i need for now is
WHEN-TREE-NODE-SELECTED need 2 Execute-Query on the data block
DECLARE
htree ITEM;
node_value VARCHAR2(100);
BEGIN
IF :SYSTEM.TRIGGER_NODE_SELECTED = 'TRUE' THEN
-- Find the tree itself.
htree := FIND_ITEM ('BL_TREE.IT_TREE');
node_value := FTREE.GET_TREE_NODE_PROPERTY( htree, :SYSTEM.TRIGGER_NODE , ftree.node_value );
   GO_BLOCK ('GL_ACCOUNTS');
   set_block_property('GL_ACCOUNTS', DEFAULT_WHERE , 'ACCOUNT_ID ='|| node_value );
EXECUTE_QUERY;
END IF;
END;The above code is working fine 4 the detail block which is *'GL_ACCOUNTS'*
when i substitute is Master block which is 'GL_ACCOUNTS_TYPES' it doesn't display all data
Help is Appriciated pls.
Regards,
Abdetu...

Hello
In WHEN-TREE-NODE-SELECTED i modified the following code :_
DECLARE
        htree ITEM;
       node_value VARCHAR2(100);
       parent_node FTREE.NODE;
BEGIN
IF :SYSTEM.TRIGGER_NODE_SELECTED = 'TRUE' THEN
-- Find the tree itself.
htree := FIND_ITEM ('BL_TREE.IT_TREE');
-- Get the parent of the node clicked on.
              parent_node := FTREE.GET_TREE_NODE_PARENT ( htree, :SYSTEM.TRIGGER_NODE );
       GO_BLOCK('GL_TYPES');
            set_block_property('GL_TYPES', DEFAULT_WHERE , 'TYPE_ID ='|| parent_node );
              EXECUTE_QUERY;
-- Get the detail of the parent node
      node_value := FTREE.GET_TREE_NODE_PROPERTY( htree, :SYSTEM.TRIGGER_NODE , ftree.node_value );
           GO_BLOCK('GL_ACCOUNTS');
           set_block_property('GL_ACCOUNTS', DEFAULT_WHERE , 'ACCOUNT_ID ='|| node_value );
               EXECUTE_QUERY;
      END IF;
END;
FRM-40350 : Query caused no records to be retrieved but i have records in the data base ...!
Well, Do u think that's because in ur package i retrieve only the detail block ?
Regards,
Abdetu...

Need a FMS Query on Sales Order!!!!

Dear Experts,
I need a FMS query on SO with Following Conditions...
**Current Stock(UDF @Raw Level)
1.If InStock(as selected warehouse Quantity)>=Ordered Quantity Then Current stock Field should be taken Ordered Quantity.
2.If InStock< Ordered quantity Then Current stock should be taken InStock Quantity
Please provide me same...
Thanks in advance...

Hi Param,
Assign the following FMS to the row level UDF 'Current Stock'.
Declare @a varchar(50)
declare @b VARCHAR(50)
declare @e varchar(50)
declare @c integer
declare @d integer
set @b = (select $[RDR1.ItemCode])
set @e = (select $[RDR1.WhsCode])
SET @c = (select onhand from OITW where ItemCode = @b AND WhsCode = @e)
set @d = (select OnOrder from OITW where ItemCode = @b AND WhsCode = @e)
IF @c>=@d
Begin
set @a=@d
select @a
End
ELSE IF @c<@d
BEGIN
set @a=@c
select @a
End
Regards
Sattanatha Raja

Help needed in tuning a query

Hi,
I need some help in performing tuning of a big query. Explain plan is as under:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
Edited by: AbdulHadi on Sep 16, 2011 3:56 PM
Edited by: AHadi on Sep 19, 2011 10:02 AM

3     SORT GROUP BY          47916     25M     491G     15M (3)     17:30:31
4     VIEW          870M     445G          15M (2)     17:24:08
5     HASH GROUP BY          870M     427G     885G     15M (2)     17:24:08
In above steps its using very high temporary tablespace usage. please try to tune your query.
- dynamic sampling used for this statement
The statistics appears to be stale.

Need help th tuning query or re write the query--

Hi,
Need help to tune the below query or rewrite th query for reducing the execution time Please find the query and explain plan.
QUERY
explain plan FOR SELECT consumer_key,product_key,days_in_product,20100201 period_key FROM
(SELECT consumer_key,
product_key,
days_in_product,
row_number() over ( Partition BY consumer_key order by Days_in_product DESC) row_num
FROM
(SELECT consumer_key,
    product_key,
    SUM(no_ofdays) days_in_product
FROM
    (SELECT pcv.consumer_key,
      pcv.product_key,
      pcv.product_consumer_valid_from,
      pcv.product_consumer_valid_to,
      DECODE (SIGN(20100201000000-product_consumer_valid_from),1,20100201000000,product_consumer_valid_from) period_start,
      DECODE (SIGN(20100228235959-product_consumer_valid_to),1,product_consumer_valid_to,20100228235959) period_end,
      CASE
        WHEN to_number(TO_CHAR(cd.activation_date,'YYYYMMDDHH24MISS')) BETWEEN 20100201000000 AND 20100228235959
        AND activation_date > to_Date(product_consumer_valid_to,'YYYYMMDDHH24MISS')
        THEN 0
        WHEN to_number(TO_CHAR(cd.activation_date,'YYYYMMDDHH24MISS')) BETWEEN 20100201000000 AND 20100228235959
        AND activation_date BETWEEN to_Date(product_consumer_valid_from,'YYYYMMDDHH24MISS') AND to_Date(product_consumer_valid_to,'YYYYMMDDHH24MISS')
        THEN
          --to_char(activation_date,'MON-YYYY')='PERIOD_ACTIVE' and activation_date >= to_Date(product_consumer_valid_from,'YYYYMMDDHH24MISS') then
          (to_date(DECODE (SIGN(20100228235959-product_consumer_valid_to),1,product_consumer_valid_to,20100228235959),'YYYYMMDDHH24MISS') - to_date(TO_CHAR(activation_date,'YYYYMMDDHH24MISS'),'YYYYMMDDHH24MISS') )
        WHEN to_number(TO_CHAR(cd.activation_date,'YYYYMMDDHH24MISS')) < 20100201000000
        THEN (to_date(DECODE (SIGN(20100228235959-product_consumer_valid_to),1,product_consumer_valid_to,20100228235959),'YYYYMMDDHH24MISS') - to_Date(DECODE (SIGN(20100201000000-product_consumer_valid_from),1,20100201000000,product_consumer_valid_from),'YYYYMMDDHH24MISS') )
        WHEN to_number(TO_CHAR(cd.activation_date,'YYYYMMDDHH24MISS')) > 20100228235959
        THEN 0
        ELSE
          --unusual situation
          (to_date(DECODE (SIGN(20100228235959-product_consumer_valid_to),1,product_consumer_valid_to,20100228235959),'YYYYMMDDHH24MISS') - to_Date(DECODE (SIGN(20100201000000-product_consumer_valid_from),1,20100201000000,product_consumer_valid_from),'YYYYMMDDHH24MISS') )
      END No_ofDays
    FROM cimtran.product_consumer_validity pcv,
      consumer_dimension cd
    WHERE pcv.consumer_key           =cd.consumer_key
    AND product_consumer_valid_to   >= 20100201000000
    AND product_consumer_valid_from <= 20100228235959
      --and product_consumer_valid_from > '20090801000000'
    ORDER BY consumer_key,
      product_key,
      product_consumer_valid_from
    ) a
GROUP BY consumer_key,
    product_key
ORDER BY consumer_key,
    product_key
) WHERE row_num=1 ;EXPLAIN PLAN
"PLAN_TABLE_OUTPUT"
"Plan hash value: 3823907703"
"| Id | Operation                | Name                      | Rows | Bytes |TempSpc| Cost (%CPU)| Time     |"
"|   0 | SELECT STATEMENT         |                           | 4665K|   231M|       |   133K (1)| 00:31:08 |"
"|* 1 | VIEW                    |                           | 4665K|   231M|       |   133K (1)| 00:31:08 |"
"|* 2 |   WINDOW SORT PUSHED RANK|                           | 4665K|   173M|   232M|   133K (1)| 00:31:08 |"
"|   3 |    VIEW                  |                           | 4665K|   173M|       |   104K (1)| 00:24:18 |"
"|   4 |     SORT GROUP BY        |                           | 4665K|   182M|   729M|   104K (1)| 00:24:18 |"
"|* 5 |      HASH JOIN           |                           |    13M|   533M|    65M| 44241   (1)| 00:10:20 |"
"|   6 |       TABLE ACCESS FULL | CONSUMER_DIMENSION        | 2657K|    35M|       | 4337   (1)| 00:01:01 |"
"|* 7 |       TABLE ACCESS FULL | PRODUCT_CONSUMER_VALIDITY |    13M|   351M|       | 15340   (2)| 00:03:35 |"
"Predicate Information (identified by operation id):"
"   1 - filter(""ROW_NUM""=1)"
"   2 - filter(ROW_NUMBER() OVER ( PARTITION BY ""CONSUMER_KEY"" ORDER BY "
"              INTERNAL_FUNCTION(""DAYS_IN_PRODUCT"") DESC )<=1)"
"   5 - access(""PCV"".""CONSUMER_KEY""=""CD"".""CONSUMER_KEY"")"
"   7 - filter(""PRODUCT_CONSUMER_VALID_FROM""<=20100228235959 AND "
"              ""PRODUCT_CONSUMER_VALID_TO"">=20100201000000)"

I doubt that this query can be tuned without using indexes. There is a lot of unnecessary work specified in your query, like unnecessary intermediate sorting and selecting unused columns. The cost based optimizer recognized it and skips some of that unnecessary work, it seems. For clarity's sake, I would rewrite your query like below. Note that the query is untested:
select consumer_key
     , max(product_key) keep (dense_rank last order by days_in_product) product_key
     , max(days_in_product) days_in_product
     , 20100201 period_key
from ( select pcv.consumer_key
              , pcv.product_key
              , sum
                ( case
                  when to_number(to_char(cd.activation_date,'yyyymmddhh24miss')) between 20100201000000 and 20100228235959
                  then
                    case
                    when cd.activation_date > to_date(pcv.product_consumer_valid_to,'yyyymmddhh24miss')
                    then
                      0
                    when cd.activation_date between to_date(pcv.product_consumer_valid_from,'yyyymmddhh24miss') and to_date(product_consumer_valid_to,'yyyymmddhh24miss')
                    then
                      to_date(to_char(pcv.product_consumer_valid_to),'yyyymmddhh24miss'))
                      - to_date(to_char(activation_date,'yyyymmddhh24miss'),'yyyymmddhh24miss')
                    end
                  when to_number(to_char(cd.activation_date,'yyyymmddhh24miss')) < 20100201000000
                  then
                    to_date(to_char(pcv.product_consumer_valid_to),'yyyymmddhh24miss'))
                    - to_date(to_char(pcv.product_consumer_valid_from),'yyyymmddhh24miss'))
                  when to_number(to_char(cd.activation_date,'yyyymmddhh24miss')) > 20100228235959
                  then
                    0
                  end
                ) days_in_product
           from cimtran.product_consumer_validity pcv
              , consumer_dimension cd
          where pcv.consumer_key             = cd.consumer_key
            and product_consumer_valid_to   >= 20100201000000
            and product_consumer_valid_from <= 20100228235959
          group by consumer_key
              , product_key
group by consumer_keyRegards,
Rob.

Need RAC Tuning - Query

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