[OLD-BPEL PM] DataBase Adapter 성능향상문제...

댓글: 1 - 페이지: 1 - 마지막 글: 2006. 12. 9 오전 1:39 최종 작성자: champion 글타래(쓰레드): [ 이전 | 다음 ]
iris
글: 18
등록일: 06. 11. 6
DataBase Adapter 성능향상문제...
게시일: 2006. 12. 8 오후 6:36 댓글
Database Adapter를 이용해 다량의 Row를 Select해서 다른 Table에 Merge를
해보았습니다.. 10만건을 test했는데 서버가 다운되더군요...
5만건을 테스트했더니 서버가 엄청 버벅되더니 죽지는 않았는데 속도가
상당히 많이 걸립니다... 이런건 해결할수 있는방법이 없나요?
Polling관련 Tutorial을 보면 Performance관련 예제가 있던데 한번 따라해
봤습니다.. Polling은 Wizard에서 MaxRaiseSize나 NumberOfThreads, MaxTransactionSize 같은 부분을 설정해 주는부분이 있습니다...
polling을 사용하지않고 그냥 Custom Excute SQL을 사용해 DB에서 가져올때는
이런 Performance향상을 위한부분이 Oracle BPEL에 있는지 궁금합니다..
(속도및 OutOfMemory관련)
또한 Polling시 MaxRaiseSize, MaxTransactionSize 이런 부분은 속도와 상관이
있는 부분인지 궁금합니다.
그럼 답변 부탁드릴께요.. 감사합니다.. ^^
champion
글: 6
등록일: 06. 10. 26
Re: DataBase Adapter 성능향상문제...
게시일: 2006. 12. 9 오전 1:39 iris 님의 질문에 답변 댓글
XML 처리에 있어서 가장 문제가 되는 것은 Node의 Depth와 XML 자체 사이즈입니다. BPEL은 기본적으로 XML 연산을 많이 해야되기 때문에 항상 Variable을 Dom Object로 관리하고 특정 값을 구하거나 바꾸거나 하는 작업을 진행합니다. 따라서 DB의 Data를 가져오는데 있어서 중요한 성능 요인은 XML의 크기(Columns 곱하기 Rows)입니다. Column이야 필요한 것은 모두 가져와야 하니 당연히 Rows의 수를 조절하는 방법이 가장 효과적입니다. MaxRaiseSize가 이를 조절하는 Parameter고요 일반적으로 100 근처의 값을 사용합니다. 즉, 1000Rows가 처리되어야 한다고 가정할 때 MaxRaise가 100이면 10개의 BPEL Instance가 동시에 기동되어 처리되는 것입니다. 참고로 저희가 내부적으로 Notebook을 이용하여 DB2DB(Polling > Transformation > Merge) Test를 하면 분당 2만건 정도를 소화하더군요.
한가지 더 DB Adapter 관련 Tip을 말씀드리면 Merge는 Insert보다 훨씬 비싼 Operation입니다. 따라서 단순 Insert의 경우 Merge 보다 Insert를 사용하시는 것이 성능 측면에서 유리합니다.
마지막으로 DB Adapter가 사용하는 DataSource는 반드시 oc4j-ra.xml에 정확히 setting 되어야 하고 되도록이면 다음과 같이 oc4j가 관리하는 DataSource를 사용하시는 것이 DB Connection 사용 측면에서 유리합니다.
usesExternalTransactionController="true"
usesExternalConnectionPooling="true"
dataSourceName="jdbc/<someDataSourceName>"

In the transform activity (xslt) you need to use the for-each expression for the repeating element.
right-click the target root node that repeats, select node, and there should be an option of for-each
This will make it repeating.
cheers
James

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Hi All,
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Shaf,
Please refer the mail thread for details. If you want I can send you(send me your email id) the sample BPEL process which uses Dynamic JNDI.
Re: How to externalize JNDI name (setting JNDI name dynamically)
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What kind of database driver should use for database adapter in BPEL?

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Thanks
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Edited by: 799095 on Sep 30, 2010 8:35 AM

Hi
It depends on wheter you need XA transaction or not.
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Hi Soni,
Below are the answers to your query.
1. When I defined the realtionships between tables in the database adapter and try to modify the generated query,I feel it is not considering the modified SQL. ---> I have tried it and the query is getting changed, can you try it again.
2. It is not allowing the CLOB datatype in the query. --> CLOB datatype is converted into string in xsd
3. what should be the data type in target xsd for an input oracle table filed of CLOB datatype or how to convert the CLOB to string format? --> CLOB datatype acts as String data type in XSD so no need to type cast.
I hope this answers your query.
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We have the polling process and the MDB deployed to both the nodes of the BPEL server.
We have noticed that some records are getting processed by both the nodes.
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The BPEL servers are configured with active - active topology and RAC is used in the database tier of the architecture.
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Hi,
I hope that someone can assist me. Occassionally in production a database adapter step will fault. On the BPEL Console flow diagram for the step I can see "Faulted while invoking operation XXXXX on provider YYYYY". The step retries, but the fault never appears to resolve.
The database being accessed is available and I am able to perform the same query manually. Only a reboot appears to solve the problem.
Where do I look to see the cause of this fault? I have looked in the following log but cannot see anything either related to the adapter, flow or flow id. Should I look anywhere else?
Thanks - Anit

Hi,
Below is what the database adapt step shows in the flow diagram. The flow contains several other database adapter accesses prior to this, to the same database, and these completed correctly. I will look in the log file you suggested.
Faulted while invoking operation "DB_ID_PETICION_MNP" on provider "DB_ID_PETICION_MNP".
<messages>
<input>
<Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_InputVariable>
<part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="DB_ID_PETICION_MNPInput_msg">
<DB_ID_PETICION_MNPInput xmlns="http://xmlns.oracle.com/pcbpel/adapter/db/DB_ID_PETICION_MNP">
<id_pedido_crm>13485201</id_pedido_crm>
</DB_ID_PETICION_MNPInput>
</part>
</Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_InputVariable>
</input>
<fault>
<bindingFault xmlns="http://schemas.oracle.com/bpel/extension">
<part name="summary">
<summary>null</summary>
</part>
</bindingFault>
</fault>
</messages>
[FAULT RECOVERY] Schedule retry #1 at "Oct 23, 2009 11:28:39 AM".
...same as before. This repeated 4 times.
Finally rebooted the server, and the adapter completed OK:
<messages>
<Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_InputVariable>
<part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="DB_ID_PETICION_MNPInput_msg">
<DB_ID_PETICION_MNPInput xmlns="http://xmlns.oracle.com/pcbpel/adapter/db/DB_ID_PETICION_MNP">
<id_pedido_crm>13485201</id_pedido_crm>
</DB_ID_PETICION_MNPInput>
</part>
</Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_InputVariable>
<Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_OutputVariable>
<part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="response-headers">[]</part>
<part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="DB_ID_PETICION_MNPOutputCollection">
<DB_ID_PETICION_MNPOutputCollection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.oracle.com/pcbpel/adapter/db/DB_ID_PETICION_MNP">
<DB_ID_PETICION_MNPOutput>
<ID_PETICION_MNP>13485201-37491</ID_PETICION_MNP>
</DB_ID_PETICION_MNPOutput>
</DB_ID_PETICION_MNPOutputCollection>
</part>
</Invoke_Obtener_ID_PETICION_MNP_DB_ID_PETICION_MNP_OutputVariable>
</messages>
Thanks - Anit

BPEL Database Adapter data to B2B TP

Hi SOA/BPEL Experts
In BPEL How we are going to Map my Data base data ie which i got from Database Adapter to the Partner Link Adapter Service Trading Partner Data for ex EDI, X12 V4010 210's.
My Database data which i want to send to the Partner <----to-----> .ecs (X12 V4010 210's) format data ??
Any idea's is appreciated, any Examples are also helpful
thanks
Ravi
Edited by: user598717 on Aug 24, 2009 6:48 AM

Hi SOA/BPEL Experts
In BPEL How we are going to Map my Data base data ie which i got from Database Adapter to the Partner Link Adapter Service Trading Partner Data for ex EDI, X12 V4010 210's.
My Database data which i want to send to the Partner <----to-----> .ecs (X12 V4010 210's) format data ??
Any idea's is appreciated, any Examples are also helpful
thanks
Ravi
Edited by: user598717 on Aug 24, 2009 6:48 AM

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We deploy our processe manually with obant, because we are only able to access our productiv-system about putty(ssh).
For that we have to manually adapt our DatabaseConnectionData,which were created on our development enviroment, in the apropriate wsdl files.
On our productiv-system we see in the domain-log files following lines:
<2006-11-08 04:52:44,465> <INFO> <condis.collaxa.cube.ws> <AdapterFramework::Outbound>
file:/opt/etmn/jboss_bpel/domains/condis/tmp/.bpel_WF_Notifikation_1.0.jar/SetFaultedWS.wsdl [ SetFaultedWS_ptt::SetFaultedWS(InputParameters) ] - Using JCA Connection Pool -
max size = <unbounded>
<2006-11-08 04:52:44,468> <WARN> <condis.collaxa.cube.ws> <AdapterFramework::Outbound>
file:/opt/etmn/jboss_bpel/domains/condis/tmp/.bpel_WF_Notifikation_1.0.jar/SetFaultedWS.wsdl [ SetFaultedWS_ptt::SetFaultedWS(InputParameters) ] - JNDI lookup of
'java:/eis/DB/DBL_WFMODUL' failed due to: DBL_WFMODUL not bound
<2006-11-08 04:52:44,469> <INFO> <condis.collaxa.cube.ws> <AdapterFramework::Outbound> Since unable to locate the JCA Resource Adapter deployed at 'java:/eis/DB/DBL_WFMODUL',
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After some reading in the "Adapters UserGuide" you can find some lines about necessary configuration of the "deployment descriptor of the database adapter"
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The adapter service WSDL refers to the run-time connection configured in the
deployment descriptor of the database adapter. (In Oracle Application Server, it is
oc4j-ra.xml). The relevant code example for the service WSDL follows:
<jca:address location="eis/DB/DBL_WFMODUL" UIConnectionName="DBL_WFMODUL"
ManagedConnectionFactory="oracle.tip.adapter.db.DBManagedConnectionFactory"
The questions are now:
What is the apropriate file for the "deployment descriptor of the database adapter" for Oracle BPEL Process Manager 10.1.2.0.2 with JBOSS 3.2.6 ??
Exist there a description for that?
What are really the consequences if you configure the "deployment descriptor of the database adapter" or not ?

Hi Martin,
Thanks for sharing valuable information of bpel install .
We are stuck installing bpel pm 10.1.2.0.2 on linux from past one week ,can u plz help us in giving some pointers.
We downloaded mrca utility from otn and tried to upload the repository into 10g database but we got "ultra search schema not found" error and few other errors.
Can we use any 10g database or is there any version that we need to use.Can you plz specify the database version that u used for ur install.
Then we tried to create a repository while installing Oracle Application Server 10.1.2.0.2(J2EE and Web Cache with new OID), which creates a new dbase with a repository loaded into it.
we tried to run the ldap search command to get the encrypted password but failed to execute that command successfully.finally we tried to change orabpel pwd with alter command. And when we finally started with BPEL PM install and pointed to the above AS home it didnt recognize it and giving error as "plz point to the appropriate Application Server(AS) home and it cant find the AS home in folder in which we specified."
Can u plz help us and give some pointers in resolving our issues.
Thanks a lot in advance.
Vandana.

Database adapter not returning all the records

I've taken over a BPEL from a developer who left the organization and have been having an issue during our User Acceptance Testing. We are querying a table that will return the insurance enrollment information for employee's and their dependants. When an employee change plans, or adds people, the old plan is terminated and a new once is created. When this happens there will be two records on the database to show the old plan and the new plan.
When we run the SQL thru JDEV or SQLDeveloper, the data comes out fine. When we run it through a BPEL Database Adapter we are only getting one of the rows returned.
I have created a small tester BPEL that is easily modified and deployed to run the same query to try multiple configurations changes within the DBAdapter. What I have found is all the records are returned when the "Return single result set" box on the DBAdapter Wizard is unchecked. When it's checked then it only returns one record for the employees with an old and a new plan.
Can someone explain what the "Return single result set" option does, and what the impact will be if it's unchecked?

Hello,
In same way i am using two parent-child(header-line) tables. they have one to many relationship.
I want to generate XML which contains multiple line items under a child elements for header elements.
I have tried it but i am getting only one line under that child item. i am using jdev10.0.3.3.0
can u help me please.
-regards
satyendra

[OLD-BPEL PM] DataBase Adapter 성능향상문제...

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