Tune XSQL performance
Hi,
I wish to explore what would be the scope of tuning an XSQL query for performance apart from generic tuning of the SQL query embedded within the XSQL. I can think of two potential locations when seeking to improve XSQL performance: (a) Tuning the generic SQL query (b) Tweaking parameters in XSQLConfig.xml.
Any other thoughts on this ?
Thanks,
Rakesh.
Try your luck on the XDK forum where XSQL is being discussed as part of the development kit here PL/SQL XML Programming
Similar Messages
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How can I fine tune the performance of my IMS5.1 mailserver?
I installed the IMS5.1 on Solaris 8 with default parameters, without IDA. It is used as a mail relay. It seems to have/keep about 700 msgs in the tcp_local channel but none in the process channel. It uses the cpu very much, in my opinion too much (100% is no exception. It uses the swap file for only 30%. How can I tune the performance of my system. Don't laugh: the "server" is only a SUN Ultra 5 workstation.
I've been working with this MTA since '95. Unfortunately there is no easy answer. The number of msgs in queue is not an indication of performance, it can be, but it can also be that the hosts your system is trying to reach are not available. You can use tools like imsimta qtop to see top subjects or top domains. Poke around and see just why you have 700 msgs in your queues.
Channels like process or say conversion channel are internal while channnels like tcp_local deal with external systems. If you had mail backing up in the conversion channel then you'd have a good sign of local performance problems. Mail backing up in tcp_local is not necessarily a sign of performance problems on your end.
I don't see a problem with the software using all available CPU. What is wrong with that?
If you've made any changes to the configuration it could be that you have introduced something that is causing say a mapping process to loop and thus eat more CPU that would otherwise be normal.
What process is using all of this CPU? Knowing this would help to determine what part of the MTA might be using lots of CPU. -
How to tune the performance of Oracle SQL/XML query?
Hi all,
I am running Oracle 9i and like to run the following Oracle SQL/XML query. It takes about 3+ hour and still not finish. If I get rid all the XML stuffs it only take minutes to run. Does anybody know how to what's the reason of this slow and how to tune it?
SELECT XMLElement("CUSTOMER",
XMLForest(C_CUSTKEY "C_CUSTKEY", C_NAME "C_NAME", C_ADDRESS "C_ADDRESS", C_PHONE "C_PHONE", C_MKTSEGMENT "C_MKTSEGMENT", C_COMMENT "C_COMMENT"),
(SELECT XMLAgg(XMLElement("ORDERS",
XMLForest(O_ORDERKEY "O_ORDERKEY", O_CUSTKEY "O_CUSTKEY", O_ORDERSTATUS "O_ORDERSTATUS", O_ORDERPRIORITY "O_ORDERPRIORITY", O_CLERK "O_CLERK", O_COMMENT "O_COMMENT"),
(SELECT XMLAgg(XMLElement("LINEITEM",
XMLForest(L_ORDERKEY "L_ORDERKEY", L_RETURNFLAG "L_RETURNFLAG", L_LINESTATUS "L_LINESTATUS", L_SHIPINSTRUCT "L_SHIPINSTRUCT", L_SHIPMODE "L_SHIPMODE", L_COMMENT "L_COMMENT")
FROM LINEITEM
WHERE LINEITEM.L_ORDERKEY = ORDERS.O_ORDERKEY)
FROM ORDERS
WHERE ORDERS.O_CUSTKEY = CUSTOMER.C_CUSTKEY)
FROM CUSTOMER ;
Thanks very much in advance for your time,
Jinghao Liuajallen wrote:
Why not something more like
SELECT *
FROM fact1 l,
FULL OUTER JOIN fact1 d
ON l.company = d.company
AND l.transactiontypeid = 1
AND d.transactiontypeid = 2;
Because this is not an equivalent of the original query.
drop table t1 cascade constraints purge;
drop table t2 cascade constraints purge;
create table t1 as select rownum t1_id from dual connect by level <= 5;
create table t2 as select rownum+2 t2_id from dual connect by level <= 5;
select * from (select * from t1 where t1_id > 2) t1 full outer join t2 on (t1_id = t2_id);
select * from t1 full outer join t2 on (t1_id = t2_id and t1_id > 2);
T1_ID T2_ID
3 3
4 4
5 5
6
7
T1_ID T2_ID
1
2
3 3
4 4
5 5
6
7 -
Hpw to tune the performance of following query?
Hi all,
I want a particular set of G/L acct nos for the list of billing documents that i have in an internal table ie. pt_vbrk. I am using table BSIS.However ,when i use the following query it is taking very very long time .I even tried using LOOP...ENDLOOP statement.Can anyone tell me how to enhance the performance of the query?Thanks in advance.
i = 0.
loop at pt_vbrk.
i = i + 1.
endloop.
while j <= i.
read table pt_vbrk index j.
select single hkont from bsis into corresponding fields of
pt_vbrk where
( hkont = '0013100000' or hkont = '0013105000'
or hkont = '0013110000' or hkont = '0013112000'
or hkont = '0013115000' or hkont = '0013120000'
or hkont = '0013125000' or hkont = '0013135500'
or hkont = '0013140000' or hkont = '0013145000'
or hkont = '0013155000' or hkont = '0013165000'
or hkont = '0013175000' or hkont = '0013170000' )
and belnr = pt_vbrk-belnr and gjahr = pt_vbrk-gjahr . "#EC CI_NOFIRST
modify pt_vbrk from pt_vbrk index j.
j = j + 1.
endwhile.
Moderator message - Moved to the correct forum
Edited by: Rob Burbank on Sep 22, 2009 9:06 AMTry the following approach.
TYPES: BEGIN OF ty_bsis,
bukrs TYPE bsis-bukrs,
hkont TYPE bsis-hkont,
augdt TYPE bsis-augdt,
augbl TYPE bsis-augbl,
zuonr TYPE bsis-zuonr,
gjahr TYPE bsis-gjahr,
belnr TYPE bsis-belnr,
buzei TYPE bsis-buzei,
END OF ty_bsis.
DATA: w_bsis TYPE ty_bsis ,
w_index TYPE sy-tabix,
t_bsis TYPE SORTED TABLE OF ty_bsis
WITH NON-UNIQUE KEY bukrs belnr gjahr ,
t_vbrk_tmp LIKE TABLE OF pt_vbrk .
RANGES: r_hkont FOR bsis-hkont.
IF NOT pt_vbrk[] IS INITIAL.
REFRESH r_hkont.
r_hkont-sign = 'I'.
r_hkont-option = 'EQ'.
r_hkont-low = '0013100000'.
APPEND r_hkont.
r_hkont-low = '0013105000'.
APPEND r_hkont.
r_hkont-low = '0013110000'.
APPEND r_hkont.
r_hkont-low = '0013112000'.
APPEND r_hkont.
r_hkont-low = '0013115000'.
APPEND r_hkont.
r_hkont-low = '0013120000'.
APPEND r_hkont.
r_hkont-low = '0013125000'.
APPEND r_hkont.
r_hkont-low = '0013135500'.
APPEND r_hkont.
r_hkont-low = '0013140000'.
APPEND r_hkont.
r_hkont-low = '0013145000'.
APPEND r_hkont.
r_hkont-low = '0013155000'.
APPEND r_hkont.
r_hkont-low = '0013165000'.
APPEND r_hkont.
r_hkont-low = '0013175000'.
APPEND r_hkont.
r_hkont-low = '0013170000'.
APPEND r_hkont.
t_vbrk_tmp[] = pt_vbrk[].
SORT t_vbrk_tmp BY bukrs gjahr belnr.
DELETE ADJACENT DUPLICATES FROM t_vbrk_tmp
COMPARING bukrs gjahr belnr.
SELECT bukrs
hkont
augdt
augbl
zuonr
gjahr
belnr
buzei
FROM bsis
INTO TABLE t_bsis
FOR ALL ENTRIES IN t_vbrk_tmp
WHERE bukrs EQ t_vbrk_tmp-bukrs
AND hkont IN r_hkont
AND gjahr EQ t_vbrk_tmp-gjahr
AND belnr EQ t_vbrk_tmp-belnr.
IF sy-subrc EQ 0.
LOOP AT pt_vbrk.
w_index = sy-tabix.
READ TABLE t_bsis INTO w_bsis
WITH KEY bukrs = pt_vbrk-bukrs
belnr = pt_vbrk-belnr
gjahr = pt_vbrk-gjahr
TRANSPORTING
hkont.
IF sy-subrc EQ 0.
pt_vbrk-hkont = w_bsis-hkont.
MODIFY pt_vbrk INDEX w_index
TRANSPORTING
hkont.
ENDIF.
ENDIF.
ENDIF. -
hello *
does anyone know how to speed up expdp process?
I can see it mainly loads the undelying operating system (in my case there's I/O starvation - vmstat shows idle waits while CPU users/system/idle are very low. It's testbed only but I am concerned in this area for production system, too.
But can you suggest something?
What Oracle parameters can be tuned? What else?
Shared memory is not rather an issue here like in RMAN backups.you can go through the steps in the documentation below steps are same for 10gR2
http://www.filibeto.org/sun/lib/nonsun/oracle/11.1.0.6.0/B28359_01/server.111/b28319/dp_perf.htm
Coskan Gundogar
Blog: http://coskan.wordpress.com
Twitter: http://www.twitter.com/coskan
Linkedin: http://uk.linkedin.com/in/coskan
--------- -
Performance tunned report taking more time to execute - URGENT
Dear Experts,
In One Report Program is Taking long time to execute at background session, I am Taking That Report To Tune The Performance But This is taking 12 hours more to excute .........
The Code is given below.
Before Tune.
DATA : BEGIN OF ITAB OCCURS 0,
LGOBE LIKE T001L-LGOBE,
105DT LIKE MKPF-BUDAT,
XBLNR LIKE MKPF-XBLNR,
BEDAT LIKE EKKO-BEDAT,
LIFNR LIKE EKKO-LIFNR,
NAME1 LIKE LFA1-NAME1,
EKKO LIKE EKKO-BEDAT,
BISMT LIKE MARA-BISMT,
MAKTX LIKE MAKT-MAKTX,
NETPR LIKE EKPO-NETPR,
PEINH LIKE EKPO-PEINH,
VALUE TYPE P DECIMALS 2,
DISPO LIKE MARC-DISPO,
DSNAM LIKE T024D-DSNAM,
AGE TYPE P DECIMALS 0,
PARLIFNR LIKE EKKO-LIFNR,
PARNAME1 LIKE LFA1-NAME1,
MBLNR LIKE MSEG-MBLNR,
MJAHR LIKE MSEG-MJAHR,
ZEILE LIKE MSEG-ZEILE,
BWART LIKE MSEG-BWART,
MATNR LIKE MSEG-MATNR,
WERKS LIKE MSEG-WERKS,
LIFNR LIKE MSEG-LIFNR,
MENGE LIKE MSEG-MENGE,
MEINS LIKE MSEG-MEINS,
EBELN LIKE MSEG-EBELN,
EBELP LIKE MSEG-EBELP,
LGORT LIKE MSEG-LGORT,
SMBLN LIKE MSEG-SMBLN,
BUKRS LIKE MSEG-BUKRS,
GSBER LIKE MSEG-GSBER,
INSMK LIKE MSEG-INSMK,
XAUTO LIKE MSEG-XAUTO,
END OF ITAB.
SELECT MBLNR MJAHR ZEILE BWART MATNR WERKS LIFNR MENGE MEINS
EBELN EBELP LGORT SMBLN BUKRS GSBER INSMK XAUTO
FROM MSEG
INTO CORRESPONDING FIELDS OF TABLE ITAB
WHERE WERKS EQ P_WERKS AND
MBLNR IN S_MBLNR AND
BWART EQ '105' and
mblnr ne '5002361303' and
mblnr ne '5003501080' and
mblnr ne '5002996300' and
mblnr ne '5002996407' AND
mblnr ne '5003587026' AND
mblnr ne '5003587026' AND
mblnr ne '5003493186' AND
mblnr ne '5002720583' AND
mblnr ne '5002928122' AND
mblnr ne '5002628263'.
After tune.
TYPES : BEGIN OF ST_ITAB ,
MBLNR LIKE MSEG-MBLNR,
MJAHR LIKE MSEG-MJAHR,
ZEILE LIKE MSEG-ZEILE,
BWART LIKE MSEG-BWART,
MATNR LIKE MSEG-MATNR,
WERKS LIKE MSEG-WERKS,
LIFNR LIKE MSEG-LIFNR,
MENGE LIKE MSEG-MENGE,
MEINS LIKE MSEG-MEINS,
EBELN LIKE MSEG-EBELN,
EBELP LIKE MSEG-EBELP,
LGORT LIKE MSEG-LGORT,
SMBLN LIKE MSEG-SMBLN,
BUKRS LIKE MSEG-BUKRS,
GSBER LIKE MSEG-GSBER,
INSMK LIKE MSEG-INSMK,
XAUTO LIKE MSEG-XAUTO,
END OF ST_ITAB.
DATA : ITAB TYPE STANDARD TABLE OF ST_ITAB WITH HEADER LINE.
SELECT MBLNR MJAHR ZEILE BWART MATNR WERKS LIFNR MENGE MEINS
EBELN EBELP LGORT SMBLN BUKRS GSBER INSMK XAUTO
FROM MSEG
INTO TABLE ITAB
WHERE WERKS EQ P_WERKS AND
MBLNR IN S_MBLNR AND
BWART EQ '105' AND
MBLNR NE '5002361303' AND
MBLNR NE '5003501080' AND
MBLNR NE '5002996300' AND
MBLNR NE '5002996407' AND
MBLNR NE '5003587026' AND
MBLNR NE '5003587026' AND
MBLNR NE '5003493186' AND
MBLNR NE '5002720583' AND
MBLNR NE '5002928122' AND
MBLNR NE '5002628263'.
PLEASE GIVE ME THE SOULUTION......
Reward avail for useful answer
thanks in adv,
jai.mHi.
The Select statment accessing MSEG Table is Slow Many a times.
To Improve the performance of MSEG.
1.Check for the proper notes in the Service Market Place if you are working for CIN version.
2.Index the MSEG table
2.Check and limit the Columns in the Select statment .
Possible Way.
SELECT MBLNR MJAHR ZEILE BWART MATNR WERKS LIFNR MENGE MEINS
EBELN EBELP LGORT SMBLN BUKRS GSBER INSMK XAUTO
FROM MSEG
INTO CORRESPONDING FIELDS OF TABLE ITAB
WHERE WERKS EQ P_WERKS AND
MBLNR IN S_MBLNR AND
BWART EQ '105' .
Delete itab where itab EQ '5002361303'
Delete itab where itab EQ '5003501080'
Delete itab where itab EQ '5002996300'
Delete itab where itab EQ '5002996407'
Delete itab where itab EQ '5003587026'
Delete itab where itab EQ '5003587026'
Delete itab where itab EQ '5003493186'
Delete itab where itab EQ '5002720583'
Delete itab where itab EQ '5002928122'
Delete itab where itab EQ '5002628263'.
Select
Regards
Bala.M
Edited by: Bala Malvatu on Feb 7, 2008 9:18 PM -
OT: How can we tune the search performance from the HTMLDB side?
This might be not an issue that can be solved by HTMLDB itself. However, I'd like to give a shot because our HTMLDB apps are 'killing' the server, according to our DBA. One app I made is querying a 50 million records table, so everytime the query is fairly slow. Is there any way to tune the performance? Our DBA suggests using other tools like Discoverer or Orable Form to do the work of HTMLDB.
Thanks for the inputs.
Lucnot OT.
as noted, you need to determine which SQL statements are the culprit (various ways, your DBA should be very happy to help)
but if you are using wizards that include a search field, you may be falling victim to some very inefficient SQL generated by HTML-DB/Apex, for instance (created by the application wizard for an application based on a table, creating a page with a report and a form):
select
"ID",
"OBJECT_OWNER",
"OBJECT_TYPE",
"OBJECT_NAME",
"TAB_COMMENTS",
"OBJECT_CREATED",
"OBJECT_MODIFIED",
"USAGE_NOTES",
"OBSOLETE_FLAG"
from "DEV_TAB_COMMENTS"
where
instr(upper("OBJECT_OWNER"),upper(nvl(:P1_REPORT_SEARCH,"OBJECT_OWNER"))) > 0 or
instr(upper("OBJECT_TYPE"),upper(nvl(:P1_REPORT_SEARCH,"OBJECT_TYPE"))) > 0 or
instr(upper("OBJECT_NAME"),upper(nvl(:P1_REPORT_SEARCH,"OBJECT_NAME"))) > 0 or
instr(upper("TAB_COMMENTS"),upper(nvl(:P1_REPORT_SEARCH,"TAB_COMMENTS"))) > 0 or
instr(upper("USAGE_NOTES"),upper(nvl(:P1_REPORT_SEARCH,"USAGE_NOTES"))) > 0 or
instr(upper("OBSOLETE_FLAG"),upper(nvl(:P1_REPORT_SEARCH,"OBSOLETE_FLAG"))) > 0
which will do a full table scan no matter what search criteria you enter, and cannot be fixed on the database side -- sometimes SQL can be fixed with the creation of function-based-indexes( FBI), that won't work here.
if your pages have such SQL, it needs to be rewritten to take advantage of indexes (FBI or otherwise) -
Performance issues in Proxy-XI-Jdbc scenario
Hello,
I have developed a proxy to JDBC synchronous scenario.
My scenario works like this.
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thanks
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Hi experts,
Can anybody tell me how to do performance tuning in XI? If any one has document plz give the link.
Regards,
venkyHi,
XI have provided the Performance monitoring options to fine tune the performance in RWB.
Refer
Try performance tuning :
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/70ada5ef-0201-0010-1f8b-c935e444b0ad
http://help.sap.com/saphelp_nw04/helpdata/en/9e/6921e784677d4591053564a8b95e7d/frameset.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/489f5844-0c01-0010-79be-acc3b52250fd
XI Performance Testing Tool
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/70ada5ef-0201-0010-1f8b-c935e444b0ad#search=%22XI%20sizing%20guide%22
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Swarup -
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Hi All,
I'm using adf 11g.
In my application , one of my transaction scree is taking too much time to load .
In VOimpl i worte / override some method like
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and
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http://www.gebs.ro/blog/oracle/adf-view-object-performance-tuning-analysis/
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Before call the page write init method to executeEmptyRowSet() or write customized criteria(ViewCriteria) -
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Hi,
There is a program that takes 10 hrs to execute. I need tune its performance. The program is basically reading few tables like KNA1,ANLA,ANLU,ADRC etc and updates to Custom table. I did my analysis and found few performance techniques for ABAP coding.
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Thanks,
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This is documentation regarding performance analysis. Hope this will be useful
It is a general practice to use Select * from <database> This statement populates all the values of the structure in the database.
The effect is many fold:-
It increases the time to retrieve data from database
There is large amount of unused data in memory
It increases the processing time from work area or internal tables
It is always a good practice to retrieve only the required fields. Always use the syntax Select f1 f2 fn from <database>
e.g. Do not use the following statement:-
Data: i_mara like mara occurs 0 with header line.
Data: i_marc like marc occurs 0 with header line.
Select * from mara
Into table i_mara
Where matnr in s_matnr.
Select * from marc
Into table i_marc
For all entries in i_mara
Where matnr eq i_mara-matnr.
Instead use the following statement:-
Data: begin of i_mara occurs 0,
Matnr like mara-matnr,
End of i_mara.
Data: begin of i_marc occurs 0,
Matnr like marc-matnr,
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End of i_marc.
Select matnr from mara
Into table i_mara
Where matnr in s_matnr. -
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We have Webi Server in a clustered environment.
Our environment doesn't have much reports for Webi server to handle..
But, webi server goes down often and i have to restart the physical server to get webi running.
Is there a way to tune webi performance or find the root cause where the problem is ?Yes, there are.
In CMC got o servers and view properties for Webi report server, Admin guide will have details on those parameters and possible tunigs...
Also, applying latest Service Packs and Fix PAcks helps a lot.
Improving report design helps tremendously.
To troubleshoot issues - you need to enable tracing, review log files. -
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Hi all,
One of our customer has recently upgraded from BO XI to BO4.1. In the new BO 4.1, they encountered a bad performance issue when they were deleting a column in Webi(using "Design – Structure only" mode).
With “Design – Structure only" mode, it took webi about 10 seconds to complete after the customer right-clicked a report column and clicked the "delete". The customer said that they only need to wait for less than 1 second when they did the same in BO XI old version.
The new BO version used is 4.1SP02, installed in Windows Server 2008 R2. (Server with 32 core CPU, 32G memory)
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Thank you.
Regards,
Eton.Hi all,
Could anyone help me on this? Thanks!
What customer concerns now is that when they did the same 'column editing' action in BO XI R2 for the same report, they did not need to wait. And they need to wait for at least 7-8 second in the BO 4.1SP02 environment for this action to complete.(data already purged, in structure-only mode)
One more information about the webi report being editing is: there are many sheets in the report(about 6~10 sheets in one report). Customer don't want to separate these sheet into different reports as it will increase the effort of their end users to locate similar report sheets.
Regards,
Eton. -
Hi All,
I need your help to know how to tune performance in CRM 7.0. I need to tune the performance of Web UI client & get the response time of transactions executed in CRM UI,
Please give your suggestions,
Thanks & Regards,
SandipanHello,
If you want to do performance analysis on the WebUI in CRM 7.0 (does not work on earlier versions) just hit the keys CTRLSHIFTF7 in any WebUI window. In the current window a frame will appear in the upper right corner indicating the backend processing time, frontend processing time and so on.
Hope this is what you're looking for.
Kind regards,
Joost -
Performance Tuning for BAM 11G
Hi All
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Few key things to follow:
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2. Ensure that IE setup to do automatic caching. This will help with reducing server round trips.
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the drilldown Top SQL Statements Ordered by Wait Time. Use SQL Analyze, EXPLAIN PLAN, or the tkprof utility to tune the queries that were identified.
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5. Fast network
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