Performance graphs in EM console

Hi,
We have accidentally changed the system data to 2006-03-10. After few hours we have corrected the date. But after that the CPU graph in performance page shows future dates (from today to 2006-03-10) . So we cant monitor online CPU activities. You can simulate this by simply change your system date to next month date.
Version Oracle 10g on Linux ES4 .
Pls. let us know if you know any solution for this issue. Thanks in advance.

I would suggest you restart Enterprise manager and Agent.

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Performance meter in weblogic console

All,
Semi new to memory analysis on the server side (distributed garbage
collection and all). I was rather used to doing client application memory
leak analysis. Are there any good starter guides for memory analysis when
doing load testing?
I am currently working on a project where we do severe load testing against
servlets that hit session level EJB and then entity EJB. We see the heap
(Server->monitor->performace) sawtooth slowly up until the server throws out
of memory exceptions and starts to fail. We have already fixed a few
glaring problems with our code, but the sawtooth remains.
What is the garbage collection routine under WebLogic? Does it run
periodically? Does it run during high/low activity? Should it not be
called before any OutOfMemory exception is throw?
If you set the ejb's to keep too many ejb references in the cache, will the
server sanity check this and bump some out of the cache when memory gets
tight? Basically, I'm asking could I shoot myself in the foot in
weblogic-ejb-jar.xml or will the server help me out?
Finally, if you start mydomain as shipped and go to the performance graph it
slowly sawtooths up at a very slow pace. If you let it run over night it
eats up 10 megs or so. Why is this? It looks rather bad, but I can't
assume this is as it looks on the surface.
Sorry for all the questions, but maybe this will start a good thread.
Andrew Spyker ([email protected])
Software Engineer
http://spyker.dyndns.org

JVM heap usage will grow and shrink throughout the life of the server. Even an
idle WebLogic server is allocating and freeing object instances. Therefore,
when looking for a "leak", make sure that you account for the state of the JVM
garbage collection and compare "apples" to "apples".
I find that it is best to compare the heap usage after full garbage collections
(GC[1]). Try enabling -verbose:gc and comparing each of the full GC results.
Provided that your server is handling a constant and steady load (or is
constantly idle), you should see little change in heap usage after each full
GC. However, if your your server is idle you may need to force GC to run every
hour or so. By default, you need to use nearly all of the allocated heap
before full GC will kick in.
-Charlie
Andrew Spyker wrote:
"Mike Reiche" <[email protected]> wrote in message
news:[email protected]...
The garbage collector is a function of the JVM, not of WebLogic. Look atthe JVM
documentation for an explanation of garbage collection.Gotcha.
Weblogic, without any application code runs fine. When you add YOURapplication
code, then you might run into problems. Hence it is your code that ischewing
up (and not releasing) the memory. JProbe is good at find this kind ofproblem.
You can also narrow things down - for instance - hit only one servlet andsee
if the memory grows. Or remove references to session beans, and hit theservlet.
I should be more specific. I installed WLS SP2 on Redhat Linux 7.1 and ran
startWeblogic.sh from the default mydomain. I didn't make any
modifications. I ran the performance meter and the memory did grow over
night significantly. This suprised me. Do I attribute this to Linux? Our
production environment is definately Solaris, but I'd like to be able to
diagnose memory leaks on Linux. I don't want this false positive in the
tests. Am I missing something here?
OutOfMemoryExceptions occur when the JVM attempts to allocate more memorythan
is available - even after running garbage collection. The JVMoption -verbose:gc
will also shed some light on GC.
The Java Heap is not the only part of the JVM that requires memory. Inrare cases,
much memory is consumed by classes and methods in memory, heap (not javaheap)
used by native code.
Mike ReicheThanks for the response ...
"Cameron Purdy" <[email protected]> wrote:
It is not easy. Optimizit and JProbe can help, as can a well-architected
application with classes that support dumping debugging information (to
evaluate object graphs) and serialization (to guage sizes).
Typical leaks are in session objects, static fields, and database driver
usage without proper closing of objects.
Peace,
Cameron Purdy
Tangosol Inc.
<< Tangosol Server: How Weblogic applications are customized >>
<< Download now from http://www.tangosol.com/download.jsp >>
"Andrew Spyker" <[email protected]> wrote in message
news:[email protected]...
All,
Semi new to memory analysis on the server side (distributed garbage
collection and all). I was rather used to doing client applicationmemory
leak analysis. Are there any good starter guides for memory analysiswhen
doing load testing?
I am currently working on a project where we do severe load testingagainst
servlets that hit session level EJB and then entity EJB. We see theheap
(Server->monitor->performace) sawtooth slowly up until the server
throws
out
of memory exceptions and starts to fail. We have already fixed a few
glaring problems with our code, but the sawtooth remains.
What is the garbage collection routine under WebLogic? Does it run
periodically? Does it run during high/low activity? Should it notbe
called before any OutOfMemory exception is throw?
If you set the ejb's to keep too many ejb references in the cache,will
the
server sanity check this and bump some out of the cache when memorygets
tight? Basically, I'm asking could I shoot myself in the foot in
weblogic-ejb-jar.xml or will the server help me out?
Finally, if you start mydomain as shipped and go to the performancegraph
it
slowly sawtooths up at a very slow pace. If you let it run over nightit
eats up 10 megs or so. Why is this? It looks rather bad, but I can't
assume this is as it looks on the surface.
Sorry for all the questions, but maybe this will start a good thread.
Andrew Spyker ([email protected])
Software Engineer
http://spyker.dyndns.org

Grod Control - Performance graph is not refreshing

I'm using the GC 10.2.0.5 with DB 10.2.0.4. There are some databases have dignostics and tuning pack. The performance graph is using the Adobe Flash in 10.2.0.5 under performance --> top activity. This graph will not refresh even when we set auto refresh for every 15 minutes and also no correlation between the graph and the top SQL. However, it provides the correct information the very first when we login. But, the graph will not be refreshed afterwards. I used GC 10.2.0.3 and 10.2.0.4 and had no issues with those patchsets.
Did someone notice the same issue?. Is it a bug or any IE settings required?. I have not installed the 10.2.0.5.2 PSU. Does the PSU resolve the issue?. Your inputs are appreciated.

Hello I am running OEM GC 10.2.0.5 and IE 7 and everything works fine.
When open page Top Activity for a database, you must however pay attention on the following:
The performance graph contains a grey colour control that you drag horizontally through the graph in time.
When the Page gets refreshed, say after 15 seconds, the control remains it’s original position. So if you want to see the Top SQL being synchronized you need to drag the control back to the most right position in the graph.
Works fine to me.
Regards
Rob
For more info on OEM GC you might want to check http://oemgc.wordpress.com

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You have far more questions than can possibly be answered in a few short paragraphs.
Pick up a copy of Jonathan Lewis' book on the CBO and you will find the answers to all of these questions and many more. Also check Jonathan's website and FAQ.
You will find the link to it on the Links page of the PSOUG's website: www.psoug.org.

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theFurryOne

Vadim,
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theFurryOne

Performance of SBS 2011 console is poor and unresponsive MS.Exchange.Search.ExSearch.exe 25% CPU usage

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Hi:
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Larry Struckmeyer[MVP] If your question is answered please mark the response as the answer so that others can benefit.

Pipeline performance graph.

Hi,
I am working on CRM 2007 UI .I want to monitor my sales activities through pipeline management.I want to show this with help of a graph.Do i have to create the opportunties first.? How do i go about it.?
Regards
Maroof.

Hi Maharoof,
just click to get the process flow
http://help.sap.com/saphelp_crm60/helpdata/en/46/2f73e743cb4251e10000000a1553f6/frameset.htm
reward with points if helpful
cheers
Manohar

How old historical data can be available for SCOM performance views to show up in graphs?

I have created performance rule based on performance counter and created a performance view on the target of the rule. It shows me the graph of how performance counter value changed over the period of time.
In SCOM console there is an option in performance views, to choose start date-time and end date-time for the performance graph. It allows me to select a range of say few years.
However going by the Microsoft documentation, it appears that performance data is stored in OperationsManagerDW database only for limited period.
I have a feature requirement where we need to have performance views or reports or some means where for compliance purpose we should be able to show older data as well.
So my query is exactly how much historical data(up to how old) is actually available for performance views? Is there any specific information or MS documentation available where I can get this information (duration of historical data in specific number of days
or years or so.) I need to decide based on this if I can use performance views or I need to go for some kind of reports like SSRS reports instead.

Hi,
Additionally, I would like to share the following article with you. Hope it helps.
Understanding and modifying Data Warehouse retention and grooming
http://blogs.technet.com/b/kevinholman/archive/2010/01/05/understanding-and-modifying-data-warehouse-retention-and-grooming.aspx
Niki Han
TechNet Community Support

Monitoring Hyper-V 2012 R2 - Performance Data/Graphs Equivalent to XenCenter/vSphere Client

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Although Hyper-V 2012 R2 is a lot better than xenserver the realtime monitoring of VM's is awful!
We have SCVMM but that doesn't give you much either, only average CPU data..and only when it decides it will show the graph!
I've tried a few free tools, VMTurbo, Solarwinds VM Monitor (free - which doesn't support 2012 R2) plus some others...but none give us what we want.
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Update:
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I also got the free version of VeamOne as suggested by Leonardo.
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Graph not displayed under Target- dbname- Performance

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Thanks.

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http://help.adobe.com/en_US/Illustrator/14.0/WS714a382cdf7d304e7e07d0100196cbc5f-619ea.htm l
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Unlike with previous versions of Windows Server in which you could disable Internet Explorer Enhanced Security Configuration by removing the component in Add/Remove Programs, Windows Components
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See YouTube video:
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Times displayed in graphs are 2 hours behind

Hi,
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Kind regards
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Updated to 12.1.1 issue solved

Performance graphs in EM console

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