MCX to Configure Client Dock Applications best Practice?

I want to use WGM preferences to manage which applications show up on a user's dock when they login. The server does not have the same applications installed as the client machines thus do not show up as an available option to add using WGM.
_The Question:_ *Is is bizarre to install client applications on the server so it may be available to to add to a user's dock preference in WGM?*
Currently I'm using changes I've made to the default user template as a work around to getting the dock configured to our needs. Not my favorite way to administer 6 labs, but functional right now. If it's okay, I was thinking about installing all the software we use on our client machines on the server.
Is there a better way of managing the dock for clients in a multiple lab environment?

Run the WGM application from a workstation that has the same applications installed in the same locations as on your client workstations. Do not make changes to the user templates on the server or the workstations. When setting the preferences for the user's dock, do not select the checkbox, 'Merge with User's Dock', as that combines the customized settings you create with the dock settings from the user template.

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Routing error in Application Best Practice App (TDG) ?

Hi All,
i try Application Best Practices ...
but if i select always another product ...
the category and the Vendor are always the same. But if we check the json files there
are different.
Or should it not work in mock modus?
regards
Bernard

Hi,
I'm not talking about the add. if you select a product ....
the Vendoraddress is always the same ... but in the mockdata json file is different !
cheers
Bernard

Slow starup of Java application - best practices for fine tuning JVM?

We are having problems with a java application, which takes a long time to startup.
In order to understand our question we better start with some background info. You will find the question(s) after that.
Background:
The setup is as follows:
In a client-server solution we have a win xp, fat client running java 1.6.0.18.
(Sun JRE). The fat client containt a lot of GUI, and connects to a server for DB access. Client machines are typical 1 to 3 years old (there are problems even on brand new machines). They have the client version of JRE - standard edition installed (Java SE 6 update 10 or better) Pretty much usual stuff so far.
We have done a lot of profiling on the client code, and yes we have found parts of our own Java code that needs improving. we are all over this. Server side seems ok with good response times. So far, we havent found anything about shaky net connections or endless loops in the java client code or similiar.
Still, things are not good. Starting the application takes a long time. too long.
There are many complicating factors, but here is what we think we have observed:
There is a problem with cold vs. varm starts of the application. Apparently, after a reboot of the client PC - things are really, really bad - and it takes (sometimes) up to 30-40 secs to start the application (until we arrive at the start GUI in our app).
If we run our application, close it down, and then restart
without rebooting, things are a lot better. It then usually takes
something like 15 - 20 sec. which is "acceptable". Not good, but acceptable,
Any ideas why?
I have googled it, and some links seems to suggest that the reason could be disk cache. Where vital jar are already in disk cache on th warm start? Does that make any sense? Virus scanners presumable runs in both cases.
People still think that 15 - 20 sec in start up on the warm start is an awful long time, even though there is a lot, a lot, of functionality in the application.
We got a suggestion to use IBMs JRE - as it can do some tricks (not sure what) our SUN JRE cant do concerning the warm and cold start problem. But thats is not an option for us. And noone has come up with any really good suggestions with the SUN JRE so far?
On the Java Quick Starter (JQS) -
improves initial startup time for most java applets and applications.
Which might be helpful? People on the internet seem more interested
in uninstalling the thing than actually installing it though?
And it seems very proprietary, where we cant give our Jar files to it?
We could obviously try to "hide" the problem in some way and make it "seem" quicker. Where perceived performance can be just as good as actual performance. But it does seem a bad solution. So for the cold start we will probably try reading the jar files and thereby have them in disk cache before startup of our application. And see if that helps us.
Still, ok the cold start is the real killer, but warm start isn't exactly wonderfull either.
People have suggested that we read more on the JVM and performance.
java.sun.com.javase/technologies/performance.jsp
java.sun.com.docs/hotspot/gc5.0/gc_tuning_5.html
the use of JVM flags "-Xms" "-Xmx" etc etc.
And here comes the question .. da da ...
Concerning various suggested reading material.
it is very much appreciated - but we will like to ask people here - if it is possibe to get more specific pointers. to where the gold might be buried.
I.e. in a an ideal world we would have time to read and understand all of these documents in depth. However, in this less than ideal world we are also doing a lot of very timeconsuming profiling in our own java code.
E.g. java garbage collection is is a huge subject - and JVm settings also. Sure, in the end we will probably have to do this all very thoroughly. But for now we are hoping for some heuristics on what other people are doing when facing a problem like ours..?
Young generation, large memory pages, garbage collection threads ect. all sounds interesting - but what would you start with?
If you don't have info to decide - what kind of profiling would you be running and then adjust what JVM setting in your trials?
In this pressed for time scenario. Ignorance is not bliss. But makes it hard to pinpoint the or those JVM parameters to adjust. So some good pointers from experienced JVM "configurators" will be much appreciated!
Actually, If we can establish that finetuning of these parameters is a good idea, it will certainly also be much easier to allocate the time for doing so. - reading, experimenting etc. in our project.
So, All in all , what kinds of performance improvements can we hope for? 5 out of 20 secs on the warm start? Or is it 10 % nitpicking? Whats the ball park figure for what we can hope to achieve here given our setup? What do you think based on above?
Maybe someone out there have done some finetuning of JVM parameters in a similiar PC environments like, with similiar fat clients...? Finetuning so and so - gave 5 secs. So start your work with these one-two parameters?
Something like that - some best practices? Thats what we are hoping for.
best wishes
-Simon

Thanks for helpful answer from both you and kajbj.
The app doesn't use shared network drives.
What are you doing between main starts to get executed and the UI is
displayed?
Basicly, Calculating what to show in the UI. Accessing server - not so much, there are some reads from a cache, but the profiling doesnt indicate that it should be a problem. Sure, I could shift the startup time to some other slot, but sofar I havent found a place where the end-user wouldnt be annoyed.> Caching of something would seem most obvious. Normal VM stuff >seems unlikely. With profiling i basicly find that ''everything'' takes a lot longer in the cold start scenario. Some of our local java methods are going to be rewritten following our review. But what else can be tuned?You guys dont think the Java Quick Start approach, with more jars in disk cache will give something? And how should that be done/ what does people do?I.e. For the class loader I read something about
1.Bootstrap class loader
2.Extensions class loader
3.System class loader
and is wondering if this has something to do with the cold start problem?
The extensions class loader loads the code in the extensions directories (<JAVA_HOME>/lib/ext
So, we should move app classes to ext? Put them in one jar file? (We have many). Best practice about that?
Otherwise it seems to me that it must be about finetuning the JVM?
I imagine that it is a question about:
1. the right heap size
2. the right garbage collection scheme
Googling heap size for XP
CHE22 writes:
You are right; -Xms1600M works well, but -Xms1700M bombs
Thats one best practice or what?
On garbage collection, there are numerous posts, and much "masters of Java black art" IMHO, And according to profiling GC is not really that much of a problem anyway? Still,
Based on my description I was hoping for a short reply like "try setting these two parameters on your xp box, it worked for me" ...or something like that. With no takers on that one, I fear people are saying that there is nothing to be gained there?
we read:
[ -Xmx3800m -Xms3800m
Configures a large Java heap to take advantage of the large memory system.
-Xmn2g
Configures a large heap for the young generation (which can be collected in parallel), again taking advantage of the large memory system. It helps prevent short lived objects from being prematurely promoted to the old generation, where garbage collection is more expensive.
Unless you have problems with pauses, try granting as much memory as possible to the virtual machine. The default size (64MB) is often too small.
Setting -Xms and -Xmx to the same value increases predictability by removing the most important sizing decision from the virtual machine. On the other hand, the virtual machine can't compensate if you make a poor choice.
The -XX:+AggressiveHeap+ option inspects the machine resources (size of memory and number of processors) and attempts to set various parameters to be optimal for long-running, memory allocation-intensive jobs]
So is Setting -Xms and -Xmx and -XX:AggressiveHeap
best practice? What kind of performance improvement should we expect?
Concerning JIT:
I read this one
[the impact of the JIT compiler is obvious on the graph: at startup the time taken is around 500us for the first few values, then quickly drops to 130us, before falling again to 70us, where it stays for 30 minutes,
for this specific issue, I greatly improved my performances by configuring another VM argument: I set -XX:CompileThreshold=50]
The size of the cache can be changed with
-Xmaxjitcodesize
This sounds like you should do something with JIT args, but reading
// We disable the JIT during toolkit initialization. This
// tends to touch lots of classes that aren't needed again
// later and therefore JITing is counter-productiive.
java.lang.Compiler.disable();
However, finding
the sweet spots for compilation thresholds has been tricky, so we're
still experimenting with the recompilation policy. Work on it
continues.
sounds like there is no such straigth forward path, it all depends...
Ok, its good, when
[Small methods that can be more easily analyzed, optimized, and inlined where necessary (and not inlined where not necessary). Clearly delineated uses of data so that usage patterns and lifetimes are apparent. ]
but when I read this:
[The virtual machine is responsible for byte code execution, storage allocation, thread synchronization, etc. Running with the virtual machine are native code libraries that handle input and output through the operating system, especially graphics operations through the window system. Programs that spend significant portions of their time in those native code libraries will not see their performance on HotSpot improved as much as programs that spend most of their time executing byte codes.]
I have the feeling that we might not able to improve performance that way?
Any comments?
otherwise i was wondering about
-XX:CompileThreshold=50 -Xmaxjitcodesize (large, how large?)
Somehow, we still feel that someone out there should have experienced similiar problems? But obviously there is no guarantee that the someone should surf by here!
In c++ we used to just write everything ourselves. Here it does seem to be a question about the right use of other peoples stuff?
Where you are kind of hoping for a shortcut, so you dont have to read endless number of documents, but can find a short document that actually addresses your problem ... well.
-Simon
Edited by: simoncpm on Mar 15, 2010 3:43 PM
Edited by: simoncpm on Mar 15, 2010 3:53 PM

How to make Forms less dependent of client PC ? (Best Practice?)

Hello,
We are on Forms 10g (and I also noticed the same pb with previous versions)
We built quite big applications that use Webutil and jInitiator (not Java plugin)
The application is used via Web only.
At the deploiement of the applications, we experienced many difficulties due to specific configuration of Internet Explorer (or another browser, Firefox) of each one person of the company
I suppose this situation has also been experienced by others...
Do you have any suggestion of best practices for making such application less dependent of the client PC configuration ?
Thanks in advance,
Olivier

Try to use http, i don't thing direct open the socket can pass throught the socket if your proxy haven't forward those ports~
Hi All,
I have problems with my applet working through
gh proxy.I am using a client applet which makes a
socket connection to a Java application running on the
same pc as the web server.
Everything works fine when I am directly
ly connected.However it does't work when connected
through a proxy? I am using object o/p & i/p streams
for the exchange of data b/w client applet & the
server java application.How do I overcome this
problem.
Currently I am using WinGate 3.0.2 as my proxy(I
(I did't see any firewaal setting there) but I intend
to make applet work through any proxy for that
matter.Using a higher level protocol such as UDP would
help in this regard?i think UDP/TCP is not the matter for that!
This is urgent.PLease reply ASAP...
best rgds,
prithvi

ODP + Client Version Management Best Practices

I am working with a client who is using the Oracle Developer Tools for Visual Studio to develop their application. The IT folks deploy a new server with the latest version of the Oracle client (i.e. 11.1.0.7.0) and the developers are using the latest ODT (i.e. 11.1.0.7.20). As such the publisher policy never gets a chance to add any value. Because of the unusual versioning scheme we always end up having to copy the Oracle.DataAccess.dll from the Oracle client into the deployment folder and add an assembly binding redirect. If we do not we get the following exception:
The provider is not compatible with the version of Oracle client
As you might expect this is VERY annoying to deal with as it adds complexity to our deployment process. We use TNS names to connect and those files are stored in the client\network\admin folder as well. Can someone please help me clear up what the best practice is to deploy an application developed using ODT/ODP.NET so that we don't have to hack the Oracle.DataAccess.dll every time?
Thanks,
Colin

Thank you for your answer.
So you are basically proposing to work with the vms in the dev folder and publish the desired version to the test folder. And the test folder is out of version control in this scenario if I understood you correctly (like simple data storage)?
And how would you suggest promoting reports to the prod system? Simply by promoting the
desired version from dev folder directly to prod? This would probably lead to inconsistence because we would need to promote from dev system to test and dev to prod instead of promoting a straight line from dev over test to prod. Furthermore it would not solve the problem of the promoting result itself (A new folder called dev will be generated in prod but the report gets promoted to the prod folder if there was no report before).
Thank you for the link. I came across this page just a few days ago and found also lots
of other tutorials and papers describing the basic promoting process. The promoting process in general is clear to me but I wondered if it is possible to change some parameters to prevent folder renaming for example.
Regards
Lars

Hotfix Application Best Practices

I have a twofer with regards to applying a hotfix. We deployed Config Manager 2012 RTM, upgraded to SP1, and then upgraded to R2. We have never applied a hotfix or CU before, so there is a bit of mysteriousness with regards to what the best practices are.
We are applying hotfix 2910552 to address slow imaging speeds. These questions are pretty basic but I wanted to get some informed opinions.
What is the best rollback procedure in the event of problems? I consider the hotifx a low risk but there is some concern from some others above me. We are planning on taking snapshots of the 3 site servers and the DB server in our hierarchy, but not the
DPs. Does this seem sound or is there a better technique?
How essential is it to update the clients in our environment in a timely fashion, or at all? I am going to have the packages created, but I did not know if I should deploy them immediately or not. Our server group has some concerns about applying the patch
to the config manager clients on our servers during our patching windows.
Any insight is appreciated. Thanks!
Bryan

There's more risk in taking snapshots as they are completely and explicitly unsupported and almost certainly would cause issues particularly since your DB is separate from your site server.
Rollback is simply uninstalling the hotfix. That hotfix addresses a very niche issue that only manifests itself during OSD, thus, it's only important roll it out to clients before you reimage them in a refresh scenario. An alternative rollback is simply
reinstalling the site and restoring your DB. This sounds painful and while it would take a bit of time, it's actually rather painless and works quite well.
This all begs the question though, you really should just do CU3. There are tons of other meaningful and impactful fixes in the CUs that will improve the overall stability and even functionality of the site and clients.
Concerns for applying hotfixes should be addressed by performing the update in a lab first. There is no other way to comfort risk averse folks except by showing them that it works. Additionally, you put forth evidence from the community that CU application
to ConfigMgr is almost always smooth and uneventful. Can something go wrong? Of course. I could get hit by lightning sitting in my chair but that doesn't mean I stay in bed all day.
Jason | http://blog.configmgrftw.com | @jasonsandys

SOA composite application best practice

Hi All,
We are running SOA Suite 11g. One of my colleagues said that we should always have a mediator in our composite applications instead of just exposing the BPEL Process as a SOAP service. Is this a correct statement? If so why is that good practice. Still trying to grasp the concepts and best practices for SOA so any information is greatly appreciated.
Thanks,
S

if you place a mediator in between them, you can change the bpel interface without having to change your composite soap interface
that's one thing which could be a best practice

Large ADF Applications - Best Practice

Hi
We have a single ADF project (one model, one view/controller) with the following model components:
68 AMs
387 VOs
175 EOs
This project is ever expanding, and we are suffering some well-known performance problems when open JDeveloper or open the view/controller project.
Are there any best-practice guidelines on how to structure your ADF projects?
e.g. what is the maximum recommended number of AMs/VOs/EOs in a single project?
We have kept everything in a single project after some advice from Oracle to help us to re-use common modules easily.
We use JDeveloper v10.1.3 and use JHeadstart v10.1.3 SU 1 to generate our view/controller layer, using multiple faces-config files.
Thanks
Denis

Hi Denis,
We have exactly the same problem in expanding our application but we have a single AM and less EOs, VOs than you right now. There are some threads discussing this issue but I haven't found a complete and standard solution yet. The only thing I know is that almost every thing can be segmented in ADF like projects, application module, faces-config.xml, ...
Another thing which is very important is that segmenting an application is a tradeoff, it has some advantaes but problems in SCM, security, ...
S/\EE|)

Web application best practice...

I'm creating a web site with heaps of Flash stuff on it. I'd
like it to load plenty of information from a database server and
save plenty of information back again. It's not a vast amount of
information by the way - i don't need to load video clips and
things, but there will be loads of different flash resources on the
site and so plenty of different occasions when there'll need to be
some loading and saving going on.
So to the question - what's best to use?
1) LoadVars? (or XML Object) - I'm pegging this option
together as I can see that loading some of the info in XML format
from say an ASP page could be a good idea
2) Web services? I don't know much about webservices, but
plenty of big companies seem to be offering them out - google,
yahoo and flickr for example (- but dya reckon they use them
themselves?) I realise i'd have to learn something a bit different
like .net (so maybe VB.net or c# or something any opinions about
which to go for there too??) or maybe perl or python or
something...
3) Flash Remoting? I have bad feelings about this one - i
don't want to pay for extra stuff if it doesn't do much for me -
and i understand that with this one i'll still need my server side
application anyway - so it makes me wonder what the point is? And
I've also heard that the latest flash version doesn't really
support it very welll.....
So does anyone have any thoughts? I'd love to hear some
opinions... I DO care about performance and I DO care about how
fussy and complicated the programming will be. My gut reaction is
that web services are the way to go, because to my naive mind they
seem like they'll be simpler to code and potentially have less bugs
and therefore be more reliable. But then I'm not trusting my naive
mind, I'm asking you clever forum types instead!
Best Wishes,
Neil

I don't think I can offer any definitive advice. Partly
because it should be based on what your requirements are longer
term I guess, and (probably mostly) because I don't know that much
about it myself. I'll share what little I know.
For flash, in terms of my understanding remoting is the
fastest/most efficient means of communicating with a service you
expose on your server , and I'd assume its more scalable as an
approach longer term. There's the Adobe versions with Coldfusion
and, I think .net, but there are open source options e.g. AMFPHP as
well. I think that CS3/as3 will ultimately have no problems with
remoting - I read somewhere that although the remoting components
are not there now, flash cs3 can use flex non-visual components and
also somewhere else that the remoting components are not necessary
for remoting to be possible (but I guess they make it easier). I
have no idea whether either is true, but I'd be surprised if long
term flash cs3 can't do remoting as well as previous versions. The
amf encoding method that is used for remoting is more readily
accessible in as3 I think, so I can't see it being a problem.
There's another framework for a type of remoting based on
what I assume is some form of XML serialisation called XMLPC , but
I don't know much about it.
Both flash remoting and XMLRPC give you the ability to not
worry about how the data is translated and transferred between
flash client and server. You just deal with it in the native data
structures in a similar way to making function/method calls
locally. LoadVars is great if you just want to transfer name value
pairs...eg sets of variables, XML is great for transferring
structured representation of data. I've become more accustomed to
working with XML as it is and using it as a the basis for my data
in flash when I need to use it, which saves having customer
encoding/decoding functions to change the way its dealt with
locally. This is not always possible or convenient... but with
XPathAPI in as2 it is a little easier, and I'm looking forward to
using the new CS3 xml representation.
LoadVars and XML are also great and if you're starting out,
and are probably essential in terms of having them as an option
anyhow so may not be a bad option to begin with just so you're
familiar with them. I would suggest that you always know how to
work with these approaches and maybe they'll be enough for you for
now anyway .
I know nothing about SOAP or any other type of webservice.
Don't know if that helps.

Schema Design for Worklist Application - best practice?

Hello,
we are designing the Schema for a workflow application now. I'm wondering what kind of XML Schema would be best suited for the JSP generation of the Workflow Wizard.
So far I've found out with some tests (please correct me if I'm wrong):
- Only elements will be mapped to JSP fields, not attributes
- If elements have single-letter name, the field label will be eliminated totally in JSP (bug?!)
- For EVERY parent node, an HTML table is generated in the JSP containing all the simple nodes in the parent. If a parent node contains another parent node, both tables will be generated on the same level.
And I haven't found any way to create drop-down list or checkbox/radiobuttons out of the XSD definition (enumeration as element type).
I would really appreciate it if someone could share some experience in this area, many thanks in advance!
regards
ZHU Jia

Hello,
we are designing the Schema for a workflow application now. I'm wondering what kind of XML Schema would be best suited for the JSP generation of the Workflow Wizard.
So far I've found out with some tests (please correct me if I'm wrong):
- Only elements will be mapped to JSP fields, not attributes
- If elements have single-letter name, the field label will be eliminated totally in JSP (bug?!)
- For EVERY parent node, an HTML table is generated in the JSP containing all the simple nodes in the parent. If a parent node contains another parent node, both tables will be generated on the same level.
And I haven't found any way to create drop-down list or checkbox/radiobuttons out of the XSD definition (enumeration as element type).
I would really appreciate it if someone could share some experience in this area, many thanks in advance!
regards
ZHU Jia

Best Practices using Pre-configurator

Hi
Anybody aware of doing QM configuration as per the Best Practices through Pre-configurator.

Hi
By using sap library you can configure the QM module . Basically you have to know the process of Quality Managment
Regards
M B raju

Best practice for migrating between environments and versions?

Hi to all,
we've got a full suite of solutions custom developed in SAP BPC 7.0, SP 7. We'd like to understand if
- there are best practice in order to copy this applications from an environment to another environment (another client)
- there are best practice in case the client has got a newer version of SAP BPC (they should install the 7.5, while we're still stucked with the 7.0).
Thank you very much
Daniele

Hi Daniele
I am not entirely sure, what you are asking, Please could you provide additional information.
Are you looking for best practice recommendations for Governance, for example: Change transports between DEV, QA and PRD in BPC 7.0?
What is the best method? Server Manager backup and restore, etc ?
And
Best Practice recommendations on how to upgrade to a different version of BPC, for example: Upgrading from BPC 7.0 to 7.5 or 10.0 ?
Kind Regards
Daniel

Re engineering of existed process / Best Practice (customization)

Hi all of you,
We are implementing SAP ECC 6.0 for one of our clients. Client is asking us to compare their existed business process with Best Practice / standard process and based on the result, asking to prepare a GAP analysis between the existed and best practice for his business.
SAP itself is a best practice in the respective domains / business processes. By implementing SAP ERP, the client will have best practice for his business processes as I know. But thing is, how can I explain to the client that SAP has given the best practice and based on which, client will consider the SAP practice as Best Practice for the business??
Please give me a solution
Regards,
Ramki

f l,
I'm not sure deleting keys from the registry is ever a best practice, however Xcelsius has listings in:
HKEY_CURRENT_USER > Software > Business Objects > Xcelsius
HKEY_LOCAL_MACHINE > SOFTWARE > Business Objects > Suite 12.0 > Xcelsius
The current user folder holds temporary settings, such as how you've modified your interface.
The local machine folder holds more important information.
As always, it's recommended that you backup the registry and/or create a restore point before modifying or deleting any keys.
As for directories, the only directory Xcelsius uses is the one you install to. It also places some install logs in the temp directory, but they have no effect on the application.

SAP RAR - Best Practice ECC,CRM and BW systems

Hi All
i have the requirement to configure RAR for the systems ECC,CRM and BW systems . Each system has only one client . whats the best practice regarding using the rules against each system . i am assuming the rules will be the same irrespective of the system but when i see the names of the initial files , they are system specific . can anybody elloborate around this . thanks
Regards
Prasad

Prasad,
To build on Chinmaya's explanation, make sure you use a logical system for CRM, BI, and ECC for the basis portion of the rule set (and only the basis portion). This will keep you from duplicating your rules to meet your basis requirements. The other rules should be attributed to the individual systems (or additional logical systems if including mult landscapes, ex. Dev, QA, and Prod ECC merged into one ECC logical system).

Best Practice Installation

Hi,
We are preparing a sandbox for demo purpose , we would like to have current production configuration copy in one client and install Best Practice on another client.Is it possible?! If i install Best Practice on other client(say on 300) after copying the configuration from production to a client (say to 400) will it affect 400 as well?!
Thanks,
Vignesh P

Hi,
BASIS consultant will help on your requirement

MCX to Configure Client Dock Applications best Practice?

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