Looking up an EJB – best practices

Hi, what's the correct way to specify an EJB when attempting to get
the home interface?
Using WebLogic, it seems people just specify the JNDI name and it
seems to work fine.
Object ref = context.lookup("testsession");
But other times I see this syntax:
Object ref = context.lookup("java:comp/env/ejb/MySession2");
Which method is best practices?
Thanks

Hello Marcus,
Actually, EJB 1.1 introduced a formal manner to specify the location of the EJBs,
namely the
"java:comp/env/ejb" location. This is actually a best practice for specifying
the location of
your EJBs, because the "application assembler" doesn't need to know exactly what
the JNDI
name of the particular EJB is. This task is left to the actual deployer. If you
use the actual JNDI
name of the EJB instead of Sun's recommended prefix, then you are limiting the
overall portability
of the EJBs, because the code must be modified to reflect the exact JNDI name
that will be used
based on the particular J2EE application server that they are being deployed on.
You can read up about this in chapter 14 of the EJB 1.1 specification as well
as chapter 5 of the
J2EE 1.2 specification. Also, check out Mastering Enterprise JavaBeans 2nd Edition
by
Ed Roman, Scott W. Ambler, and Tyler Jewell for more explanation and code examples.
Best regards,
Ryan LeCompte
[email protected]
http://www.louisiana.edu/~rml7669
[email protected] (Marcus Leon) wrote:
Hi, what's the correct way to specify an EJB when attempting to get
the home interface?
Using WebLogic, it seems people just specify the JNDI name and it
seems to work fine.
Object ref = context.lookup("testsession");
But other times I see this syntax:
Object ref = context.lookup("java:comp/env/ejb/MySession2");
Which method is best practices?
Thanks

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Hello,
Are you going to use the Universal worklist in your portal? If yes, that will bring you more possibilitites. Then you don't have to code anything into your business object - instead in portal (UWL configuration) you can define what which WD application is launched when the user clicks the task in UWL.
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Where to find best practices for tuning data warehouse ETL queries?

Hi Everybody,
Where can I find some good educational material on tuning ETL procedures for a data warehouse environment? Everything I've found on the web regarding query tuning seems to be geared only toward OLTP systems. (For example, most of our ETL
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partition tables that are larger than 50 GB;
use minimal logging to load data precisely where you want it as fast as possible;
often better to disable non-clustered indexes before inserting a large number of rows and then rebuild them immdiately afterward (sometimes even for clustered indexes, but test first);
rebuild statistics after every load of a table.
But I still feel like I'm missing some very crucial concepts for performant ETL development.
BTW, our office uses SSIS, but only as a glorified stored procedure execution manager, so I'm not looking for SSIS ETL best practices. Except for a few packages that pull from source systems, the majority of our SSIS packages consist of numerous "Execute
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Online ETL Solutions are really one of the biggest challenging solutions and to do that efficiently , you can read my blogs for online DWH solutions to know at the end how you can configure online DWH Solution for ETL using Merge command of SQL Server
2008 and also to know some important concepts related to any DWH solutions such as indexing , de-normalization..etc
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927061-data-warehousing-workshop-1-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927103-data-warehousing-workshop-2-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927173-data-warehousing-workshop-3-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927061-data-warehousing-workshop-1-4-
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Shehap (DB Consultant/DB Architect) Think More deeply of DB Stress Stabilities

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Hello all,
I was looking for insight on best practices for moving home directories.
I was thinking that using the migration tool would be best to move the directories and then using dsrazor to remap all of the home directories for our users.
We are running Netware 6.5 SP8. I have added a 2TB RAID 10 set to one of our servers which is where I am planning on moving all of the user directories.
Thoughts/suggestions are welcome.
Steve D.

Originally Posted by sjdimare
Moving data from one volume to another on the same server should not require migration, correct? I just want to make sure all of the trustee assignments stay in place.
I also will need to redo volume space restriction on new user templates and the migrated volumes.
First test went quite smoothly.
Steve D.
When you move data (using Windows explorer ect) across volumes the trustee rights drop off. If moving from NW to NW use Server Consilidation and Migration Tool. If moving from NW to OES Linux use miggui. The SCMT has a few other features like project planning and verification.

Best Practices on Mining Industries - CO-PC

Hello,
I am looking for best practices on the mining industry for CO-PC. I am not very familiar with this industry and I don't know if a classic solution based on standard cost price control and material ledger is the most suitable for this business.
I am used to Material Ledger, but I think it does not make sense to implement that on Mining Industry that produces coal for example or extract only one type of product using as raw materials only diesel and explosives. Can anyone share experiences in this segment?
Rgds,
Rafael

Hi Rafael,
Controlling in Mining industry is often centered not so much about product costs but about assets, maintenance and utilization. Therefore controlling reports often show the costs e.g. by crusher compared to planned cost, and ABC (activity based costing) plays a larger role than in classical manufacturing industries.
But material ledger is still quite popular in mining companies. Even if you are a coal miner there are manufacturing steps like purification, crushing and homogenizing and activity consumption involved in the process steps. Furthermore also the distribution and transportation costs play a big role and can be controlled by material ledger actual costs.
Have a look at SAP's best practice for Mining that contains material ledger and ABC templates for asset costs:
[http://help.sap.com/bp_miningv1600/Mining_AU/Html/index.htm]

BizTalk monitoring best practice(s)

I am looking for information on best practices to monitor BizTalk environment (ideally using Tivoli monitoring tools). Specifically I am looking for insight into what should be monitored, how one analyzes performance profile. Thanks

While setting up monitoring agents/products for BizTalk server (or for any server/application for this matter), there are two ways to start:
If available, import/install application specific monitoring packages i.e. Import/install prebuild monitoring rules, alerts and actions specific to the application.
Or create the rules/alerts and actions from scratch for the application.
For monitoring products like SCOM, management packs for BizTalk server are available as pre-build, as readymade packages. For a non-Microsoft product like Tivoli check with
the vendor/ IBM for any such pre-build monitoring packages for BizTalk. If available purchase it and install it in Tivoli. This would be the best option to start, instead of spending time and resource in building the rules, alerts and actions from scratch.
If pre-build monitoring package is not available, then start by creating rules to monitor any errors or warnings from event logs of the BizTalk and SQL servers. Gradually,
you can update/add more rules based on your needs.
And regarding analysing performance profile, most of the monitoring product now-a-days comes with prebuild alerts for monitoring the server performances, CPU utilization
etc. I’m sure renowned product like Trivoli shall have prebuild alerts for monitoring the server performances. Same can be configured to monitor the BizTalk’s performances. And also monitoring event log entries would also pickup any performance related issues.
Moreover, Tivoli has got detail user guide document for setting alerts for BizTalk server. Check this
document here.
Reading best practices, links provided by MaheshKumar shall help you.
Key point to remember is no-monitoring product is perfect; you can’t create a fool-proof monitoring alerts and actions on day one. It would get mature over the time in your
environment.
If this answers your question please mark it accordingly. If this post is helpful, please vote as helpful.

Looking up an EJB – best practices

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