Content Aggregation

Hi,
I am now studying and analyzing the Bea WebLogic Portal. I want to know is there any engine similar to personalization engine , which will manage the aggregation of contents from various portals.
I am elaborating it further now, In a portal page there will be plenty of portlets and each and every portlet will communicate with the App Server to generate the content into the portal page, my question is how the requests from all the portlets is managed. Is there any engine or services to manage the requests from the portlets.
Any clarification will be very helpfull.
Thanks
Ponraj Rajagopalan

Ponraj,
There are many answers to this questions, so please excuse me if I am being
too vague. Typically your portlet will serve as the presentation layer for
some business objects (BO). In a typical 3 tier architecture:
Webflow (presentation controller)
|
Portlet (presentation layer) ---> Business Objects ---> Persistence Layer
There are many variations on this theme.
The presentation layer also relies on the Webflow architecture which acts as
a controller/coordinator and given a presentation event may dispatch it to
another presentation component (JSP) or perhaps a BO.
Your Porlets will render the output from the BOs (EJBs...) - either by
calling them directly or (better) by invoking them through dispatching an
event to Webflow, which in turn invokes the BO. The portlet can then pull
attributes out of the PipelineSession (placed their by the BOs) and render
the results.
There are therefore many ways in which control can pass from a UI event in a
Portlet, back into the BO layer, and possibly onto the persistence layer
(JDBC).
A good J2EE architecture book should be able to fill in the (many) holes in
this explanation.
Sincerely,
Daniel Selman
"Ponraj" <[email protected]> wrote in message
news:[email protected]..
Hi,
I am now studying and analyzing the Bea WebLogic Portal. I want to know is
there any engine similar to personalization engine , which will manage the
content aggregation from various portets.
I am elaborating it further now, In a portal page there will be plenty of
portlets and each and every portlet will communicate with the App Serverto
generate the content into the portal page, my question is how the requests
from all the portlets is managed. Is there any engine or services tomanage
the requests from the portlets.
Any clarification will be very helpfull.
Thanks
Ponraj Rajagopalan

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Hi, I have several years of experience with Oracle Technology as DBA and Developer (Forms and Reports mainly). I'm excited and willing to familiarize with new technologies like Portal and HTML DB. I've been reading about both products and it seems they share similar principles in their arquitecture: both use dynamic page concepts, templates, and DB centric approach for building html apps.
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"319071" and Doug:
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Thanks in advance!
Raman

Hi Raman,
In a nutshell, the main reason for catalog locking is due to unfinished/cancelled processes during the publication.
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When experiencing issues with the publication you should always analyse the underlying cause, i.e. if the problem seems to be in Rule Execution, maybe 80% of the runtime is spent here, then can you reduce the amount of views used or the amount of contained rules in these views? Would it be easier to limit the access by creating different procurement catalogs with different call structures rather than having lots of views ?1?!
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Back pressure due to version buckets: Exchange 2013

Hi,
My setup is Exchange 2013 CU5 on Server 2012 fully patched running on vmware 5.1 fully patched. The server supports around 50 users, has 16GB of memory, a 16GB page file and fast disk access to dedicated disks on a SAN. My vmware host has 96GB of memory
and around half is in use.
A few times today we got MSExchangeTransport warnings about resource pressure relating to 'version buckets' around the same time someone sends a large attachment (around 40MB). We have generous sending limits at 50MB due to the nature of our work.
The full message is...
The resource pressure increased from Normal to High.
The following resources are under pressure:
Version buckets = 330 [High] [Normal=80 Medium=120 High=200]
Physical memory load = 93% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from Hub Transport servers
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail submission from Mailbox server
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 58% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 58% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 4% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 58% [Normal] [Normal=95% Medium=97% High=99%]
Task Manager shows memory usage at 90% (14.4GB of 16GB)
We recently migrated from Exchange 2010 (with 8GB memory) and had no issues with back pressure.
I ran get-messagetrackinglog to cover a few minutes either side of this event being logged. There were around 150 entries. A single email was over 40MB in size. There were also multiple lines showing the same email, which does not reflect in the users mailboxes
(for example a single autoreply was sent from one user, but the get-messagetrackinglog showed 11 results). I have posted a question about this here also...
https://social.technet.microsoft.com/Forums/en-US/6425aa7a-4957-487e-ad7c-6aec5fe50379/getmessagetrackinglog-multiple-results-for-single-email?forum=exchangesvradmin
If a single large email caused the back pressure to kick in how can I prevent this happening in future? I don't want to simply limit my attachment size (as mentioned this was fine on Exchange 2010 and 2003 before that)
I checked EdgeTransport.exe.config and noted the following default entries
<add key="DatabaseMaxCacheSize" value="512MB" />
<add key="DatabaseCheckPointDepthMax" value="384MB" />
<add key="QueueDatabaseLoggingBufferSize" value="5MB" />
Would increasing these help?
Lastly, I have read this article (http://eightwone.com/2011/04/06/limiting-exchange-2010-sp1-database-cache/) and wondered whether it would be beneficial to implement a limit on the database cache? If so, what should I be aiming at for my setup? And is this
relevant for Exchange 2013? (I don't see a performance counter for Database Cache Size Min, or Max under 'MSxchange Database')
Advice greatly appreciated.

Found this in a different Exchange forum; worth reading. This thread was marked as answered. Good luck.
https://social.technet.microsoft.com/Forums/en-US/c3d300c5-473f-4ab3-8df2-e85c0ea2ed99/backpressure-activated-after-exchange-cu5-installversion-buckets?forum=exchangesvrsecuremessaging

SiteStudio Vs WebLogic Portal

Hi all,
wanna to host a new site can some body please help me in getting all the pros and cons of SiteStudio implementation Vs WebLogic Portal Implementation.
Any pointer will be highly appriciated.
regards,
sapan

Well, it is a good question, but it's really one that begs more questions.
There are lots of ways to deliver a website, but you need to know what is important to you. What is the content? Who needs to interact with it? Is it dynamic/static/combination? Is it internal/external? How do your users want to be able to update the content (and how often)? Is there a need for transformation (conversion from one format to HTML/XML/etc.)? Is there a need for multiple site delivery? What are the security concerns?
NO tool is necessarily the best tool and that's as it should be. I'm probably preaching to the choir here, but it's important to not forget that there are lots of factors that will go into determining what tool to use. Ultimately, without the answers to many of the above questions, it is impossible to give much advice about whether one tool is better than another. [soapbox]
With that said, here is my best high-level stab at it. If it is content aggregated from numerous existing applications, then a portal is a logical choice (which portal product is a whole separate question [and let's not assume yet that the BEA deal is a certainty]).
Site Studio, on the other hand, is well suited for 1) content that needs to be updated frequently (and where users prefer to do so through the browser itself), 2) content that needs transformation services (using UCM's OOTB features), and 3) multi-site deployments. With a good design, SS makes it really easy to off-load the site management tasks to the business owners of the content, which is the ultimate goal for most enterprises. I've been involved in dozens of SS implementations and it truly is a great product. It is still very critical, however, to have a good design up front so you don't get into trouble later.
As for the future of it at Oracle, yes we are moving to an Open WCM model (you got the term right, Addict ;-), the exact particulars are yet to be determined. However, one goal is to make the interface less proprietary to let clients implement the IDE of choice (design and update your site templates in Dreamweaver, for example, rather than the SS Designer tool). There may be some portal implications, but I'm not sure about that yet. There also is the question of where WebCenter fits in, which also is a topic for another time.
If you have more particulars on what you are trying to accomplish, please post them and you can likely get some more targeted advice ;-)

Exchange 2013: Back pressure event

Hello all,
yesterday evening we had a back pressure event in which the 'Version Buckets' HIGH threshold was violated and the mail flow ceased for about 15'. Trying to better understand why this happened we discovered that around that time the eventid 15004 was logged,
a large message (around 87MB) was sent to the server from an application and heading to a specific external recipient.
What I cannot comprehend is how this message (if...) produced all this since there are message size limits (the defaults, 35MB) and by my logic it should never reach the transport circuit - could someone please elaborate? my scope is to ensure this is not
happening again. Below follow the event logs:
The resource pressure increased from Normal to Medium.
The following resources are under pressure:
Version buckets = 177 [Medium] [Normal=80 Medium=120 High=200]
Physical memory load = 87% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 52% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 55% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 3% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 55% [Normal] [Normal=95% Medium=97% High=99%]
The resource pressure increased from Medium to High.
The following resources are under pressure:
Version buckets = 295 [High] [Normal=80 Medium=120 High=200]
Physical memory load = 87% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from Hub Transport servers
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail submission from Mailbox server
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 52% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 55% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 3% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 55% [Normal] [Normal=95% Medium=97% High=99%]
And finally this:
The SMTP availability of the Receive connector Default was low (98 percent) in the last 15 minutes.
** Did a Get-eventlog for 15004 and this has never happened before in the past.
Thank you in advance.

Hi Jsof,
According to your description, I recommend you use tracking log to find out why the large message reached your exchange transport circuit. It appears to be the root cause of back pressure event.
The following article for your reference to understand message tracking:
https://technet.microsoft.com/en-us/library/bb124375(v=exchg.150).aspx
Best regards,
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Niko Cheng
TechNet Community Support

Exchange 2013 logging event 15004 daily 5-10 times per day causing email delay?

Observing following event in the Servers (3 Servers having multi role with Exchange 2013 CU5)
Log Name: Application
Source: MSExchangeTransport
Date: 15/10/2014 3:20:16 PM
Event ID: 15004
Task Category: ResourceManager
Level: Warning
Keywords: Classic
User: N/A
Computer: SERVER.COM
Description:
The resource pressure increased from Medium to High.
The following resources are under pressure:
Version buckets = 203 [High] [Normal=80 Medium=120 High=200]
Physical memory load = 92% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from Hub Transport servers
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail submission from Mailbox server
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 61% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 75% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 2% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 75% [Normal] [Normal=95% Medium=97% High=99%]
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="MSExchangeTransport" />
<EventID Qualifiers="32772">15004</EventID>
<Level>3</Level>
<Task>15</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-10-15T09:50:16.000000000Z" />
<EventRecordID>36645321</EventRecordID>
<Channel>Application</Channel>
<Computer>SERVER.COM</Computer>
<Security />
</System>
<EventData>
<Data>Medium</Data>
<Data>High</Data>
<Data>
The following resources are under pressure:
Version buckets = 203 [High] [Normal=80 Medium=120 High=200]
Physical memory load = 92% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from Hub Transport servers
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail submission from Mailbox server
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 61% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 75% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 2% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 75% [Normal] [Normal=95% Medium=97% High=99%]
</Data>
</EventData>
</Event>
Manju Gowda

hi manju.. this is because of your resource utilization being very high. please check below two links to check the logs and take appropriate actions
http://exchangeserverpro.com/exchange-transport-server-back-pressure/
http://technet.microsoft.com/en-us/library/bb201658%28v=exchg.150%29.aspx
Mark as useful or answered if my replies helped you solving your query.
Thanks, Happiness Always
Jatin
Skype: jatider2jatin, Email: [email protected]

HELP please provide similarities and differences between HTML DB and Portal

Hi, I have several years of experience with Oracle Technology as DBA and Developer (Forms and Reports mainly). I'm excited and willing to familiarize with new technologies like Portal and HTML DB. I've been reading about both products and it seems they share similar principles in their arquitecture: both use dynamic page concepts, templates, Wizard driven development, DB centric approach for building html apps, etc.
It seems like HTML DB is like some sort of "little brother" version of Portal. Can anyone portrait basic similarities and differences between these two products?.
Thanks ...!

"319071" and Doug:
The products have different purposes. Portal provides content aggregation, application integration and personalization. Together with the Oracle Application Server infrastructure you also get identity management capabilities such as a centralized LDAP-based user directory and Single Sign-On. HTML DB is a tool for rapid development of database centric web applications. Nothing more, nothing less. Portal allows you to bring together applications built using a variety of technologies. HTML DB is just one of those technologies that happens to be optimized for web development on an Oracle database.
Once you have built your application with HTML DB, you may choose to place a link to it on a portal page. You may even choose to make authentication seamless by making the HTML DB application a Single Sign-On partner application (see: http://www.oracle.com/technology/products/database/htmldb/howtos/sso_partner_app.html). Or, you may want to display some data from a report developed in HTML DB inside a portlet (see: http://www.oracle.com/technology/products/database/htmldb/howtos/omniportlet_index.html)
Granted, Portal does have database centric development capabilities (what used to be called WebDB), but they are not nearly as flexible as HTML DB's. HTML DB lets you control page flow while maintaining session state, has quite sophisticated report building capabilities such as column based sorting and pagination, form building capabilities such as declarative field level data validations, built in field level help, etc.
Sergio

Export differences between GUI ALV and Portal

Hi,
Have a customer that is able to export reports to Excel using the 'Local File -> Spreadsheet Option'. When this is used in the GUI, the report exports as expected, all columns from the ALV view in the correct columns in excel.
If I run the same report through the customer portal, exporting the data in the same way, when I open the file in excel, each ALV column is combined into 1 column in excel.
Questions:
- Are there any differences between the GUI and Portal when using the exporting functions?
- Would this output be determined by Excel and not the SAP export?
Any assistance or guidance is much appreciated.
Thanks

"319071" and Doug:
The products have different purposes. Portal provides content aggregation, application integration and personalization. Together with the Oracle Application Server infrastructure you also get identity management capabilities such as a centralized LDAP-based user directory and Single Sign-On. HTML DB is a tool for rapid development of database centric web applications. Nothing more, nothing less. Portal allows you to bring together applications built using a variety of technologies. HTML DB is just one of those technologies that happens to be optimized for web development on an Oracle database.
Once you have built your application with HTML DB, you may choose to place a link to it on a portal page. You may even choose to make authentication seamless by making the HTML DB application a Single Sign-On partner application (see: http://www.oracle.com/technology/products/database/htmldb/howtos/sso_partner_app.html). Or, you may want to display some data from a report developed in HTML DB inside a portlet (see: http://www.oracle.com/technology/products/database/htmldb/howtos/omniportlet_index.html)
Granted, Portal does have database centric development capabilities (what used to be called WebDB), but they are not nearly as flexible as HTML DB's. HTML DB lets you control page flow while maintaining session state, has quite sophisticated report building capabilities such as column based sorting and pagination, form building capabilities such as declarative field level data validations, built in field level help, etc.
Sergio

Setting aggregation content for logical level in 11g

Hi Guys,
When working on with horizontal and vertical federation in OBIEE 11g with multiple data sources here in my case it is essbase and RDBMS.
1) pulled the columns and dragged into the concerened table.
2) The related heirarchies have been defined.
3) when trying to go to one of the LTS and trying to set the logical level aggregation im not able to see the levels columns corresponding nor im getting the get levels option to get them. where am i going wrong?
when im trying to join a fact by pulling it on to the fact...i can see the levels in content tab,but when i try to define levels and check it its giving me error "There are no levels matching the BI algorithm"
Any answers wud be appreciated.
TIA,
KK
Edited by: Kranthi.K on Sep 5, 2011 2:52 AM

It is autocreated,i dint customize it.....Im dropping the RDBMS table onto the Essbase cube dimension table and im not getting the RDBMS content levels that should be defined in the LTS of the table,and the RDBMS table has an level based hierarchy but still no sucess.
Any more ideas
UPDATED POST
Deepak,it was not helpful as i have gone through tht document before....Im trying it in all scenerios to figure out where actually it is going wrong.
If i dont find the path,i will let you kne what im trying to do so you can help me out.
UPDATED POST-2
Any more pointers from the experts.
Edited by: Kranthi.K on Sep 6, 2011 7:01 AM

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