Parallel processing for concurrent program
Hi Team,
Can any one give the suggestions for parallelism of concurrent program. As i am having union's in the select statment . i am not able to use NTILE eventhough i am giving number of threads as 50000 even though it is running for a long time.
Best regards
Hi,
i am not able to use NTILE eventhough i am giving number of threads as 50000 even though it is running for a long timeDo you get any error?
What does this concurrent program do?
You may need to enable trace to find out why this concurrent program takes long time to run -- See (Note: 296559.1 - FAQ: Common Tracing Techniques within the Oracle Applications 11i/R12 (Customer Recommended)) for details.
Thanks,
Hussein
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Hi
Has anyone come into a situation where he had to do an inbound interface
(i.e using open dataset by scanning all the file in AL11)
how do you treat program running in parallel in this situation.
what i mean is that if the same program is doing an open dataset and treating the same file in al11. Then inconsistencies may occur
is there a way to lock a program that is running that is triggering an error message "Hi,
I too faced a similar situation and this is what I implemented.
Whenever your programs starts processing a particular AL11 File, Create a New Flag File in the Same Directory.
Say if my file name is usr\bin\ABC.DAT, before OPEN DATASET command on this file, I would create a new file usr\bin\ABC.DAT.FLAG!!!.
After the processing ABC.DAT is done, I delete the Flag File.
In the mean time, If some other program, (or for that matter the same program) executes in a different session and tries to open the same file, we can check for the existence of the FLAG FILE.
So the code is as follows.
CHECK for the Existence of FLAG FILE.
If FLAG FILE Exists, STOP. " another session is processing it.
ELSE.
CREATE FLAG FILE.
OPEN DATASET, and rest others.
CLOSE DATASET.
ENDIF.
Hope this helps.
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In one of the process chain, we have added the ABAP program. In Backend,the job is running as "BI_PROCESS_ABAP".
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Also check with BASIS if the memory allocated to run this program has not overflowed and the selections you have in your ABAP program is in small chunks and use variants to run them in parallel OR series
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We are using OEM 10g gridcontrol for monitoring.
i am new to OEM, now i have a task to set up alerts for concurrent programs(which are running more than 30mins).
can any one provide step by step process to setup alerts.
Thanks,Here is how to enable your alerts.
1. From the Mobile Email application, select the desired email account then press the center of the 5-way navigation pad to choose Select.
If prompted enter the username and password, then press the center of the 5-way navigation pad to choose Sign In.
2. Press the right soft key to choose Options.
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The parallel process for mrp.
hi exports
we plan to do the scope of planning for the total planning as a background job.
while doing that system ask for the parallal processing for mrp
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With the help of parallel processing procedures, you can significantly improve the runtime of the total planning run.
To process in parallel, you can either select various sessions on the application server or various servers.
Parallel processing runs according to packages using the low-level code logic:
The work package, with a fixed number of materials that are internally defined in the program, is distributed over the individual servers/sessions. Once a server/session has finished processing a package, it starts processing the next package.
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The parallel processing procedure is switched on in the initial screen of total planning.
Activities
Define the application server with the number of sessions that can be used:
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If you only want to use one server, but several sessions, enter the application server and the appropriate number of sessions.
Further notes
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The Customizing Transaction is OMIQ
Regards
PSV -
Reg : Setup alerts for Concurrent Programs
Hi,
We are using OEM 10g gridcontrol for monitoring.
i am new to OEM, now i have a task to set up alerts for concurrent programs(which are running more than 30mins).
can any one provide step by step process to setup alerts.
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ChandraI believe the "Concurrent Manager" is a product supported in the "E-Business" forum.
Can a moderator move the question there? (with other questions on this product)
I assume this is not related the Java's concurrency library. -
Parallel processing for increaing the performance
various ways of parallel processing in oracle especially using hints
Please let me knw if there exists any online documentation in understanding the conceptFirst of all: As a rule of thumb don't use hints. Hints make programs too unflexible. A hint may be good today, but might make things worse in future.
There are lots of documents available concerning parallel processing:
Just go to http://www.oracle.com/pls/db102/homepage?remark=tahiti and search for parallel (processing)
Due to my experience in 10g, enabling parallel processing might slow down processing extremely for regular tables. The reason are lots of waits in the coordination of the parallel processes.
If, however, you are using parallel processing for partitioned tables, parallel processing works excellent. In this case, take care to choose the partitioning criterion properly to be able to distribute processing.
If, for example, your queries / DMLs work on data corresponding to a certain time range, don't use the date field as partitioning criterion, since in this case parallel processing might work on just a single partition. Which again would result in massive waits for process coordination.
Choose another criterion to distribute the data to be accessed to at least <number of CPUs -1> partitions (one CPU is needed for the coordination process). Additionally consider to use parallel processing only in cases where large tables are involved. Compare this situation with writing a book: If you are planning to have some people writing a (technical) book consisting of just 10 pages, it wouldn't make any sense at all concerning time reduction. If, however, the book is planned to have 10 chapters, each chapter could be written by a different author. Reducing the resulting time to about 1/10 compared to a single author writing all chapters.
To enable parallel processing for a table use the following statement:
alter table <table name> parallel [<integer>];If you don't use the <integer> argument, the DB will choose the degree of parallelism, otherwise it is controlled by your <integer> value. Remember that you allways need a coordinator process, so don't choose integer to be larger than <number of CPUs minus 1>.
You can check the degree of parallelism by the degree column of user_/all_/dba_tables.
To do some timing tests, you also can force parallel dml/ddl/query for your current session.
ALTER SESSION FORCE PARALLEL DML/DDL/QUERY [<PARALLEL DEGREE>]; -
How to pass IN parameter as BOOLEAN for concurrent program in Apps(Environ)
hi all
i am using a standard package procedure,where in which i need to pass some parameters to a procedure,
some of the parameters there are BOOLEAN type ,can anybody help me to know , How to pass IN parameter as BOOLEAN for concurrent program in Apps(Environ)Already answered this on the SQL forum (How to give IN parameter as BOOLEAN in a concurrent program.
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Duplicate IR through parallel processing for automated ERS
Hi,
We got duplicate IR issue in production when running the parallel processing for automated ERS job. This issue is not happening in every time. Once in a while the issue happeing. That means the issue has happened in June month as twice. What could be the reasons to got this issue. On those days the job took more time comaredt o general. We are unable to replicate the same scenareo. When i am testing the job is creating IRs successfully. Provide me the reasons for this.Wow - long post to say "can I use hardware boxes as inserts?" and the answer is yes, and you have been able to for a long time.
I don't know why you're doing some odd "duplicated track" thing... weird...
So, for inserts of regular channels, just stick Logic's I/O plug on the channel. Tell it which audio output you want it to send to, and which audio input to receive from. Patch up the appropriate ins and outs on your interface to your hardware box/patchbay/mixer/whatever and bob's your uncle.
You can also do this on aux channels, so if you want to send a bunch of tracks to a hardware reverb, you'd put the I/O plug on the aux channel you're using in the same way as described above. Now simply use the sends on each channel you want to send to that aux (and therefore hardware reverb).
Note you'll need to have software monitoring turned on.
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And no duplicate recordings needed...
I still don't understand why the Apple-developers didn't think of including such a plug-in, because it could allow amazing routing possibilities, like in this case, you could send the audio track to the main output(1-2 or whatever) BUT also to alternate hardware outputs, so you can use a hardware reverb unit, + a hardware delay unit etc...to which the audio track is being sent , and then you could blend the results back in Logic more easily.
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How to know which sql query is taking time for concurrent program
Hi sir,
I am running concurrent program,that is taking time to execute ,i want to know which sql query causing performance
Thanaks,
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My Learning: Diagnosing Oracle Applications Concurrent Programmes - 11i/R12
How to run a Trace for a Concurrent Program? (Doc ID 415640.1)
FAQ: Common Tracing Techniques in Oracle E-Business Applications 11i and R12 (Doc ID 296559.1)
How To Get Level 12 Trace And FND Debug File For Concurrent Programs (Doc ID 726039.1)
How To Trace a Concurrent Request And Generate TKPROF File (Doc ID 453527.1)
Regards
Yoonas -
Parallel processing for information broadcasting
Hi SDN,
How can we control parallel processing for information broadcasting in BI background management?
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NamrataHi,
agree with the above postings
you can find more details regarding this in below given link
http://help.sap.com/saphelp_nw70/helpdata/en/ef/4c0b40c6c01961e10000000a155106/frameset.htm
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rik -
Job fail with Timeout for parallel process (for SID Gener.): 006000
Hello all,
Im getting below error and not able to find any issue with Basis side. Please anyone help on this!
Job started
Data package has already been activated successfully (will be skipped)
Process started
Process started
Process started
Process started
Process started
Import from cluster of the data package to be activated () failed
Process 000001 returned with errors
Process 000002 returned with errors
Process 000003 returned with errors
Process 000004 returned with errors
Background process BCTL_4XU7J1JPLOHYI3Y5RYKD420UL terminated due to missing confirmation
Process 000006 returned with errors
Data pkgs 000001; Added records 1-; Changed records 0; Deleted records 0
Log for activation request ODSR_4XUG2LVXX3DH4L1WT3LUFN125 data package 000001...000001
Errors occured when carrying out activation
Analyze errors and activate again, if necessary
Activation of M records from DataStore object CRACO20A terminated
Activation is running: Data target CRACO20A, from 1,732,955 to 1,732,955
Overlapping check with archived data areas for InfoProvider CRACO20A
Data to be activated successfully checked against archiving objects
Parallel processes (for Activation); 000005
Timeout for parallel process (for Activation): 006000
Package size (for Activation): 100000
Task handling (for Activation): Backgr Process
Server group (for Activation): No Server Group Configured
Parallel processes (for SID Gener.); 000002
Timeout for parallel process (for SID Gener.): 006000
Package size (for SID Gener.): 100000
Task handling (for SID Gener.): Backgr Process
Server group (for SID Gener.): No Server Group Configured
Activation started (process is running under user *****)
Not all data fields were updated in mode "overwrite"
Data package has already been activated successfully (will be skipped)
Process started
Process started
Process started
Process started
Process started
Import from cluster of the data package to be activated () failed
Process 000001 returned with errors
Process 000002 returned with errors
Process 000003 returned with errors
Process 000004 returned with errors
Errors occured when carrying out activation
Analyze errors and activate again, if necessary
Activation of M records from DataStore object CRACO20A terminated
Report RSODSACT1 ended with errors
Job cancelled after system exception ERROR_MESSAGEThanks for the link TSharma I will try that today.
UPDATE:
I ran a non-parallel Data Pump and just let it run overnight. This time it finished after 9 hours. In this run I set the STATUS=300 parameter in the PARFILE which basically echos STATUS updates to standard out every 300 seconds (5 minutes).
And as before after 2 hours it finished 99% of the export and just spit out WAITING status for the last 7 hours until it finished. The remaining TABLES it exported (a few hundred) were all very small or ZERO rows. There clearly is something going on that is not normal. I've done this expdp before on clones of this database and it usually takes about 2-2.5 hours to finish.
The database is about 415 Gigabytes in size.
I will update what the TRACE finds and I'm also opening a case with MOS. -
Parallel processing for one large message
I have some troubles from messaging performance perspective.
Sender:ABAP Proxy
Receiver:File Adapter
I'd like use parallel processing for one large message.
And the file for receiver is needed to be one file.
Could you let me know how to set them ?
Best regards,
Koji NagaiHi
Can you elaborate your requirement more?
How are you trying to achieve parallel processing in XI.
Since you mentioned that the source is Proxy, there should be some trigger mechanism say selection screen, you restrict the values here and use append strategy in File and can execute the same.
REgards
Krish -
Parallel processing for program RBDAPP01
Hi All,
I am running this program RBDAPP01 daily after every 30minutes to clear the error I Docs (Status 51 Application document not posted) Status Message u201CObject requested is currently locked by user ADMINJOBSu201D when I run this job it only clears few Idocs because of the Status Message u201CObject requested is currently locked by user ADMINJOBSu201D Means when one Idoc is getting updated the second one tries to update the same time for same order, same customer, same material and same plant but different ship to party it finds locked and cannot be posted.
Can any one tell me what parallel processing is and will it help my case.
ThanksYou didn't specfiy which release you use so I can just give some suggestions:
Note 547253 - ALE: Wait for end of parallel processing with RBDAPP01
Note 715851 - IDoc: RBDAPP01 with parallel processing
Markus -
Parallel Processing through ABAP program
Hi,
We are trying to do the parallel processing through ABAP. As per SAP documentation we are using the CALL FUNCTION STARTING NEW TASK DESTINATION.
We have one Z function Module and as per SAP we are making this Function module (FM)as Remote -enabled module.
In this FM we would like to process data which we get it from internal table and would like to send back the processed data(through internal table) to the main program where we are using CALL FUNCTION STARTING NEW TASK DESTINATION.
Please suggest how to achieve this.
We tried out EXPORT -IMPORT option meaning we used EXPORT internal table in the FM with some memory ID and in the main program using IMPORT internal table with the same memory ID. But this option is not working even though ID and name of the internal table is not working.
Also, SAP documentation says that we can use RECEIVE RESULTS FROM FUNCTION 'RFC_SYSTEM_INFO'
IMPORTING RFCSI_EXPORT = INFO in conjunction with CALL FUNCTION STARTING NEW TASK DESTINATION. Documentation also specifies that "RECEIVE is needed to gather IMPORTING and TABLE returns of an asynchronously executed RFC Function module". But while creating the FM remote-enabled we cant have EXPORT or IMPORT parameters.
Please help !
Thanks in advance
Santosh<i>We tried out EXPORT -IMPORT option meaning we used EXPORT internal table in the FM with some memory ID and in the main program using IMPORT internal table with the same memory ID. But this option is not working even though ID and name of the internal table is not working</i>
I think that this is not working because that memory does not work across sessions/tasks. I think that the
IMPORT FROM SHARED BUFFER and EXPORT TO SHARED BUFFER would work. I have used these in the past and it works pretty good.
Also,
here is a quick sample of the "new task" and "recieve" functionality. You can not specify the importing parameters when call the FM. You specify them at the recieving end.
report zrich_0001 .
data: session(1) type c.
data: ccdetail type bapi0002_2.
start-of-selection.
* Call the transaction in another session...control will be stop
* in calling program and will wait for response from other session
call function 'BAPI_COMPANYCODE_GETDETAIL'
starting new task 'TEST' destination 'NONE'
performing set_session_done on end of task
exporting
companycodeid = '0010'
* IMPORTING
* COMPANYCODE_DETAIL = ccdetails
* COMPANYCODE_ADDRESS =
* RETURN =
* wait here till the other session is done
wait until session = 'X'.
write:/ ccdetail.
* FORM SET_session_DONE
form set_session_done using taskname.
* Receive results into messtab from function.......
* this will also close the session
receive results from function 'BAPI_COMPANYCODE_GETDETAIL'
importing
companycode_detail = ccdetail.
* Set session as done.
session = 'X'.
endform.
Hope this helps.
Rich Heilman
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