SQL Workbench/J Increase Memory Using -Xmx?

If I'm on the wrong forum, apologies.
Very recently, I have to use SQL Workbench/J which I am not too familiar with, it has a habit of running out of memory when I run queries.
Apparently I can edit the workbench.settings file in the .sqlworkbench directory and increase the allocated memory by adding a line with -Xmx1024
Does anyone know the exact syntax?

Just in case anyone is interested, I created a .bat file with one line, like this:
java -Xmx1024m -jar c:\<the directory where you put the sqlworkbench.jar>
Put it on the desktop and click on it, the java VM will allocate more memory.
It worked for me, I can run bigger queries now.

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How Can I increase memory used by director?

Hi
I have a tool, written in director, that imports all
imagefiles from a
folder and its subfolders into director cast
It worked since years without any problem
But now I have following problem - if the amount of files is
big enough,
director is out of memory, can not create any new member more
I do it like this
repeat with i=1 to cFileList
cFile=cFileList
mem = new(#image, myCast)
mem.importFileInto(cFile, [#trimWhiteSpace:FALSE,
#remapImageToStage:FALSE])
mem.name=cFile
end repeat
At some moment command
mem = new(#image, myCast)
fails, it can happen on 500-th file in the list, or an 570-th
or on some
other point. So the problem is not in some definite file, but
in memory. How
can I avoid this problem? Can I purge the memory, used by the
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that moment or is there any other way do to it?
Any help will be appreciated

Look up save castlib. put this in your loop and and maybe try
i mod 10 so it
only saves every 10 times. This should pull the images from
ram to disk, and
sort of purge the memory for you.
Timm
"Jorg Mann" <[email protected]> wrote in message
news:emof0k$cqh$[email protected]..
> Hi
>
> I have a tool, written in director, that imports all
imagefiles from a
> folder and its subfolders into director cast
> It worked since years without any problem
> But now I have following problem - if the amount of
files is big enough,
> director is out of memory, can not create any new member
more
>
> I do it like this
>
> repeat with i=1 to cFileList
> cFile=cFileList
> mem = new(#image, myCast)
> mem.importFileInto(cFile, [#trimWhiteSpace:FALSE,
> #remapImageToStage:FALSE])
> mem.name=cFile
> end repeat
>
> At some moment command
> mem = new(#image, myCast)
> fails, it can happen on 500-th file in the list, or an
570-th or on some
> other point. So the problem is not in some definite
file, but in memory.
> How
> can I avoid this problem? Can I purge the memory, used
by the program till
> that moment or is there any other way do to it?
>
> Any help will be appreciated
>
>

Turn off display on sql*plus and increase memory for oracle?

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I just answered this question on the OTN -> General forum. You could try the SQL*Plus startup switch -s to startup SQL*Plus in silent mode, eg:
C:\SQLPLUS -S
Alison

Increasing memory used by java process when calling Runtime.exec()

Hi everyone!
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Have you had any solutions to this pal?
I am also suffering. I tried closing the processes by:
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proc.waitFor();
proc.getInputStream().close();
proc.getOutputStream().close();
proc.getErrorStream().close();
proc.destroy();
proc = null;
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Cheers!

Memory used by SQL Developer

Hello
I was running a query with output of around 9 lakh records. I did this with Toad earlier and now I tried with SQL Developer.
I found a difference like this.
When in toad the records were being fetched the memory used by Toad was not getting increased as shown in the Task manager processes. While the PF Usage was getting increased which I understand is SWAP file. When all the rows were received this increase was approximately same as the file I created after exporting that data.
In case of SQL Developer the memory used by SQL developer itself goes on increasing.
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I believe the difference could be that toad fetches each record and automatically flushes it to the output file while SQL Developer might keep all the records in memory or use a different file handling method. Basically what you said sounds as a reasonable assumption.

SQL query returns few rows, but holds on with several Gbs of RAM memory used

If I perform the following query:
SELECT d.DocumentGUID, d.DocumentID
FROM ImportDataBase.dbo.Document d
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that query, I dont want it.
Is there a way to release that memory I really dont need my SQL server to keep, without having to restart the SQL server?
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Thank You very much.

Is there a way to release that memory I really dont need my SQL server to keep, without having to restart the SQL server?
and without topping the max memory the sql server uses, since I need my SQL server to use as much
A query can be resource intensive even if it returns a single row. Generally it is a good idea to set SQL Server MAX memory.
BOL: "Optimizing Server Performance Using Memory Configuration Options
The memory manager component of Microsoft SQL Server eliminates the need for manual management of the memory available to SQL Server. When SQL Server starts, it dynamically determines how much memory to allocate based on how much memory the operating system
and other applications are currently using. As the load on the computer and SQL Server changes, so does the memory allocated. For more information, see Memory Architecture.
The following server configuration options can be used to configure memory usage and affect server performance:
•min server memory
•max server memory
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•index create memory
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The min server memory server configuration option can be used to ensure that SQL Server does not release memory below the configured minimum server memory once that threshold is reached. This configuration option can be set to a specific value based on the
size and activity of your SQL Server. If you choose to set this value, set it to some reasonable value to ensure that the operating system does not request too much memory from SQL Server, which can affect SQL Server performance.
The max server memory server configuration option can be used to specify the maximum amount of memory SQL Server can allocate when it starts and while it runs. This configuration option can be set to a specific value if you know there are multiple applications
running at the same time as SQL Server and you want to guarantee that these applications have sufficient memory to run. If these other applications, such as Web or e-mail servers, request memory only as needed, then do not set the max server memory server
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at the same time as SQL Server, set the max server memory server configuration option to a value that guarantees that the memory required by the application is not allocated by SQL Server."
LINK:
http://technet.microsoft.com/en-us/library/ms177455(v=sql.105).aspx
Memory configuration:
http://www.sqlusa.com/bestpractices/memory-configuration/
Kalman Toth Database & OLAP Architect
SQL Server 2014 Database Design
New Book / Kindle: Beginner Database Design & SQL Programming Using Microsoft SQL Server 2014

Maverick OSX: Memory use is increasing without running programs

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Thanks for the screenshot. That looks alright at the moment with just ¼ of your RAM used. Though I expect this is because you have just booted into 10.9 and not let it 'warm up' yet.
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Following is some general information on kernel task by Topher Kessler,
http://reviews.cnet.com/8301-13727_7-20091848-263/kernel-task-taking-up-ram-in-o s-x/
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How to increase memory for building project using ant in ECLIPSE

Hi All,
for all java projects and java applications in eclipse i am giving -Xms and -Xmx to increase heap memory.
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How to increase memory for Building through ANT.
Thanks,
J.Kathir

even if this is not a eclipse forum
In the package explorer view or navigator view right click on the build file select "Run as / Ant Build ...". On the JRE Tab you can enter the VM Aguments like -Xmx512m
Consult the java dokumentation how to set the memory of the jvm.

The first time I open firefox memory used is about 58000k. and an increase of approximately 122000k +. is this normal? if not what is normal memory used for firefox?

memory used in firefox

That depends upon the homepage you have set, but with the default about:homepage you should see like 60,000 Kb with Firefox 7.

What causes memory use of my program increase? (Write to Spreadsheet? Running in LV environment? External dlls? Waveform graphs?)

Hi
I have attached a plot for the discussion here..
I am monitoring the memory usage by my VI thru calling a window's dll to keep checking that (Many thanks to Matt).
I saw raising slopes and flat (wow! First time I catch this, that's what I am expecting)
I am thinking where could there be a reason for memory growing up!
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2. Running my program in LV.exe -- I havn't compiled it yet. However when I was taking the plot's data, my PC is left with no one using it.
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Can someone comment on my above descriptions of my program?
Raymond

vgbraymond wrote:
1. Write to spread file:-- I keep using this to log data, events into harddisk, in my use I always append new logs/data to the existing file, however I keep doing it all the time throughout the run-time.
Write to spreadsheet file is a high level VI that opens and closes the file with every call. I would recommend to open the file once at the start of the programs, then append using lowlevel functions. Close the file after the program is done.
Have you done any profiling to see which subVIs shows the bulk of the memory use?
You might also turn off debugging to see if it makes a difference. Don't open the front panel of subVIs (and avoid functions that force the front panel to be in memory) unless they need to show something important to the user.
It would really help if we could see some actual code. Can you strip it down to the essentials that still show the problem?
LabVIEW Champion . Do more with less code and in less time .

High memory use when checking downloads folder through browser

High memory use when checking downloads folder through browser.
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Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* On Windows you can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac you can open Firefox 4.0+ in Safe Mode by holding the '''option''' key while starting Firefox.
* On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
[[Image:FirefoxSafeMode|width=520]]
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshooting extensions and themes]] article for that.
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
''When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.''
Thank you.

CreateRow increases memory and cpu. Tomcat+ADF Faces+BC4J in JDev 10.1.3.0

CreateRow increases memory and cpu. Tomcat+ADF Faces+BC4J in JDev 10.1.3.0.4
My old problem is this Ineffectiveness/Inconsistency BC4J createrow in tomcat, CPU = 100%,Mem=2.2G
I have tested my Adf Faces application with jmx in server and, in my machine, jconsole and mc4j.
When cpu=100% and memory increases, jconsole constantly returned similar trace:
In all trace, I see that common is:
oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:2203)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2088)
Therefore, I believe that function populateRow make infinity loop (or fuction fech make infinity loop, called populateRow), but I don’t know populteRow or fetch code.
tomcat Version: 5.5.16
Jdeveloper Version: 10.1.3.0.4
Adf Business component Version: 10.1.3.36.73
Java version: 1.5.0_05
Please, any oracle ACE could help me?
When cpu=100% and memory increases, jconsole constantly returned any of these trace:
First trace
java.net.SocketOutputStream.socketWrite0(Native Method)
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
java.net.SocketOutputStream.write(SocketOutputStream.java:136)
oracle.net.ns.DataPacket.send(Unknown Source)
oracle.net.ns.NetOutputStream.flush(Unknown Source)
oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:979)
oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:951)
oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:448)
oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:185)
oracle.jdbc.driver.T4CPreparedStatement.fetch(T4CPreparedStatement.java:692)
oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(OracleResultSetImpl.java:258)
oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:193)
oracle.jbo.server.QueryCollection.hasNextInResultSet(QueryCollection.java:3014)
oracle.jbo.server.ViewObjectImpl.hasNextForCollection(ViewObjectImpl.java:3650)
oracle.jbo.server.QueryCollection.hasNext(QueryCollection.java:2992)
oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:2207)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2088)
oracle.jbo.server.QueryCollection.get(QueryCollection.java:1468)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3650)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:2612)
oracle.jbo.server.ViewObjectImpl.activateCurrentRow(ViewObjectImpl.java:12360)
oracle.jbo.server.ViewRowSetIteratorImpl.activateIteratorState(ViewRowSetIteratorImpl.java:3768)
oracle.jbo.server.ViewRowSetImpl.activateIteratorState(ViewRowSetImpl.java:4960)
oracle.jbo.server.ViewRowSetImpl.doCreateAndInitRow(ViewRowSetImpl.java:1901)
oracle.jbo.server.ViewRowSetImpl.createRow(ViewRowSetImpl.java:1891)
oracle.jbo.server.ViewObjectImpl.createRow(ViewObjectImpl.java:6555)
com.samesi.segestion.view.backing.app.Clientes.devoluciones_action(Clientes.java:1845)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:92)
oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:211)
oracle.adf.view.faces.component.UIXCollection.broadcast(UIXCollection.java:94)
oracle.adf.view.faces.component.UIXTable.broadcast(UIXTable.java:205)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
javax.faces.webapp.FacesServlet._service_79(FacesServlet.java:197)
javax.faces.webapp.FacesServlet.service(FacesServlet.java)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)
Second trace
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:129)
oracle.net.ns.Packet.receive(Unknown Source)
oracle.net.ns.DataPacket.receive(Unknown Source)
oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.net.ns.NetInputStream.read(Unknown Source)
oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:979)
oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:951)
oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:448)
oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:185)
oracle.jdbc.driver.T4CPreparedStatement.fetch(T4CPreparedStatement.java:692)
oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(OracleResultSetImpl.java:258)
oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:193)
oracle.jbo.server.QueryCollection.hasNextInResultSet(QueryCollection.java:3014)
oracle.jbo.server.ViewObjectImpl.hasNextForCollection(ViewObjectImpl.java:3650)
oracle.jbo.server.QueryCollection.hasNext(QueryCollection.java:2992)
oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:2207)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2088)
oracle.jbo.server.QueryCollection.get(QueryCollection.java:1468)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3650)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:2612)
oracle.jbo.server.ViewObjectImpl.activateCurrentRow(ViewObjectImpl.java:12360)
oracle.jbo.server.ViewRowSetIteratorImpl.activateIteratorState(ViewRowSetIteratorImpl.java:3768)
oracle.jbo.server.ViewRowSetImpl.activateIteratorState(ViewRowSetImpl.java:4960)
oracle.jbo.server.ViewRowSetImpl.doCreateAndInitRow(ViewRowSetImpl.java:1901)
oracle.jbo.server.ViewRowSetImpl.createRow(ViewRowSetImpl.java:1891)
oracle.jbo.server.ViewObjectImpl.createRow(ViewObjectImpl.java:6555)
com.samesi.segestion.view.backing.app.Clientes.devoluciones_action(Clientes.java:1845)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:92)
oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:211)
oracle.adf.view.faces.component.UIXCollection.broadcast(UIXCollection.java:94)
oracle.adf.view.faces.component.UIXTable.broadcast(UIXTable.java:205)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
javax.faces.webapp.FacesServlet._service_79(FacesServlet.java:197)
javax.faces.webapp.FacesServlet.service(FacesServlet.java)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)
Third trace
java.lang.System.arraycopy(Native Method)
com.sun.java.util.collections.ArrayList.toArray(ArrayList.java:287)
oracle.jbo.server.ViewDefImpl.getEntityReferences(ViewDefImpl.java:547)
oracle.jbo.server.ViewRowStorage.entityCacheAdd(ViewRowStorage.java:1730)
oracle.jbo.server.ViewRowImpl.entityCacheAdd(ViewRowImpl.java:2151)
oracle.jbo.server.ViewDefImpl.createInstanceFromResultSet(ViewDefImpl.java:1070)
oracle.jbo.server.ViewObjectImpl.createRowFromResultSet(ViewObjectImpl.java:2943)
oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(ViewObjectImpl.java:2841)
oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:2203)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2088)
oracle.jbo.server.QueryCollection.get(QueryCollection.java:1468)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3650)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:2594)
oracle.jbo.server.ViewObjectImpl.activateCurrentRow(ViewObjectImpl.java:12360)
oracle.jbo.server.ViewRowSetIteratorImpl.activateIteratorState(ViewRowSetIteratorImpl.java:3768)
oracle.jbo.server.ViewRowSetImpl.activateIteratorState(ViewRowSetImpl.java:4960)
oracle.jbo.server.ViewRowSetImpl.doCreateAndInitRow(ViewRowSetImpl.java:1901)
oracle.jbo.server.ViewRowSetImpl.createRow(ViewRowSetImpl.java:1891)
oracle.jbo.server.ViewObjectImpl.createRow(ViewObjectImpl.java:6555)
com.samesi.segestion.view.backing.app.Clientes.devoluciones_action(Clientes.java:1845)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:92)
oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:211)
oracle.adf.view.faces.component.UIXCollection.broadcast(UIXCollection.java:94)
oracle.adf.view.faces.component.UIXTable.broadcast(UIXTable.java:205)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
javax.faces.webapp.FacesServlet._service_79(FacesServlet.java:197)
javax.faces.webapp.FacesServlet.service(FacesServlet.java)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)
Fourth (and end) trace
oracle.sql.NUMBER.toBigDecimal(NUMBER.java:715)
oracle.sql.NUMBER.bigDecimalValue(NUMBER.java:2080)
oracle.jbo.domain.Number.bigDecimalValue(Number.java:551)
oracle.jbo.domain.Number.hashCode(Number.java:431)
oracle.jbo.Key.hashCode(Key.java:384)
oracle.jbo.common.WeakHashtableImpl.get(WeakHashtableImpl.java:195)
oracle.jbo.common.WeakHashtable.get(WeakHashtable.java:98)
oracle.jbo.server.EntityCache.add(EntityCache.java:327)
oracle.jbo.server.ViewRowStorage.entityCacheAdd(ViewRowStorage.java:1762)
oracle.jbo.server.ViewRowImpl.entityCacheAdd(ViewRowImpl.java:2151)
oracle.jbo.server.ViewDefImpl.createInstanceFromResultSet(ViewDefImpl.java:1070)
oracle.jbo.server.ViewObjectImpl.createRowFromResultSet(ViewObjectImpl.java:2943)
oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(ViewObjectImpl.java:2841)
oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:2203)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2088)
oracle.jbo.server.QueryCollection.get(QueryCollection.java:1468)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3650)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:2594)
oracle.jbo.server.ViewObjectImpl.activateCurrentRow(ViewObjectImpl.java:12360)
oracle.jbo.server.ViewRowSetIteratorImpl.activateIteratorState(ViewRowSetIteratorImpl.java:3768)
oracle.jbo.server.ViewRowSetImpl.activateIteratorState(ViewRowSetImpl.java:4960)
oracle.jbo.server.ViewRowSetImpl.doCreateAndInitRow(ViewRowSetImpl.java:1901)
oracle.jbo.server.ViewRowSetImpl.createRow(ViewRowSetImpl.java:1891)
oracle.jbo.server.ViewObjectImpl.createRow(ViewObjectImpl.java:6555)
com.samesi.segestion.view.backing.app.Clientes.devoluciones_action(Clientes.java:1845)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:92)
oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:211)
oracle.adf.view.faces.component.UIXCollection.broadcast(UIXCollection.java:94)
oracle.adf.view.faces.component.UIXTable.broadcast(UIXTable.java:205)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
javax.faces.webapp.FacesServlet._service_79(FacesServlet.java:197)
javax.faces.webapp.FacesServlet.service(FacesServlet.java)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)Tranks,

I continued researching. When my server gain cpu and memory in Catalina.out, I can to see this output:
Feb 28, 2008 10:25:53 AM oracle.adf.view.faces.webcache.component.UICache encodeBegin
INFO: fragment is Facturacion.jspx:_id3
Feb 28, 2008 10:25:53 AM oracle.adf.view.faces.webcache.component.UICache getFragmentFromCache
INFO: fragment (Facturacion.jspx:_id3) fetch: cache miss
Feb 28, 2008 10:25:53 AM oracle.adf.view.faces.webcache.component.UICache insertFragmentInCache
INFO: fragment (Facturacion.jspx:_id3) insert: cached for 864000 secs
Feb 28, 2008 10:25:53 AM oracle.adf.view.faces.webcache.component.UICache encodeBegin
INFO: fragment is Facturacion.jspx:_id4
Feb 28, 2008 10:25:53 AM oracle.adf.view.faces.webcache.component.UICache getFragmentFromCache
INFO: fragment (Facturacion.jspx:_id4) fetch: cache missIn this example, I belive that user is resuming the Facturacion.jspx page. In my code I have this line:
It’s corresponding to menu.
I have looking this documentation:
http://download.oracle.com/docs/html/B25947_01/web_cache002.htm
In this documentation, first access, the cache miss, but the following times the cache could hit. . When my server gain cpu and memory I look that the following times the cache always miss in all pages. Subsequently tomcat no reply and the malicious thread, execute Armageddon trace. This behavior of the cache is strange, right?
I’m sure that I’m making anything that fetch in queryCollection make big loop.
I have redefining getRangeSize and CurrentRow of my CustomViewObject (all viewOjects about my applications extends CustomViewObject and CustomViewObject extends viewObject) and I looked correct rangesize (not -1). I got system.out.println(getFetchedRowCount()) in createRow and obtain 13 or 15. I belive that It’s correct.
Another example of problematic trace is (in this case is in preparemodel):
com.sun.java.util.collections.ArrayList.indexOf(ArrayList.java:201)
com.sun.java.util.collections.ArrayList.contains(ArrayList.java:183)
oracle.jbo.server.ViewRowCache.addWithCheck(ViewRowCache.java:351)
oracle.jbo.server.ViewRowCache.add(ViewRowCache.java:409)
oracle.jbo.server.QueryCollection.addRowToColl(QueryCollection.java:2069)
oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:2111)
oracle.jbo.server.QueryCollection.get(QueryCollection.java:1468)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3650)
oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:2612)
oracle.jbo.server.ViewObjectImpl.activateCurrentRow(ViewObjectImpl.java:12360)
oracle.jbo.server.ViewRowSetIteratorImpl.activateIteratorState(ViewRowSetIteratorImpl.java:3768)
oracle.jbo.server.ViewRowSetIteratorImpl.getRangeSize(ViewRowSetIteratorImpl.java:627)
oracle.jbo.server.ViewRowSetImpl.getRangeSize(ViewRowSetImpl.java:2251)
oracle.jbo.server.ViewObjectImpl.getRangeSize(ViewObjectImpl.java:6065)
oracle.adf.model.binding.DCIteratorBinding.initSourceRSI(DCIteratorBinding.java:1549)
oracle.adf.model.binding.DCIteratorBinding.callInitSourceRSI(DCIteratorBinding.java:1420)
oracle.adf.model.binding.DCIteratorBinding.getRowSetIterator(DCIteratorBinding.java:1403)
oracle.adf.model.binding.DCIteratorBinding.setRangeSize(DCIteratorBinding.java:2641)
oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:2484)
oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2257)
oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareModel(PageLifecycleImpl.java:104)
com.samesi.segestion.view.frameworkExt.SegestionPageLifecycle.prepareModel(SegestionPageLifecycle.java:354)
oracle.adf.controller.v2.lifecycle.Lifecycle$8.execute(Lifecycle.java:210)
oracle.adf.controller.v2.lifecycle.Lifecycle.executePhase(Lifecycle.java:116)
oracle.adf.controller.faces.lifecycle.ADFPhaseListener.mav$executePhase(ADFPhaseListener.java)
oracle.adf.controller.faces.lifecycle.ADFPhaseListener$4.after(ADFPhaseListener.java:331)
oracle.adf.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:97)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:254)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:332)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
java.lang.Thread.run(Thread.java:595)Thanks,

Oracle 11g - Memory used for sorting

Hi everyone,
I would like to know how I could analyze memory used for sorting in Oracle 11g. When I run the below query, it returns 1531381.
select value from v$sysstat where name like 'sorts (memory)';But when I check sort_area_size parameter from v$parameter, it returns 65536. Does it mean my database is using more memory for sorting than sort_area_size. Or is the way I interpret v$sysstat view and sort_area_size wrong? What is the best way to monitor the memory usage for sorting? Thanks in advance.
Regards,
K.H
Edited by: K Hein on Apr 5, 2012 8:16 PM

check the valuse of pga_aggregate_target
http://docs.oracle.com/cd/B19306_01/server.102/b14237/initparams157.htm
Note:
Oracle does not recommend using the SORT_AREA_SIZE parameter unless the instance is configured with the shared server option. Oracle recommends that you enable automatic sizing of SQL working areas by setting PGA_AGGREGATE_TARGET instead. SORT_AREA_SIZE is retained for backward compatibility.
What is the best way to monitor the memory usage for sorting? try v$sort_usage
or v$tempseg_usage
col sid_serial for a44
col size for a22
col SID_SERIAL for a22
SELECT b.tablespace,
        ROUND(((b.blocks*p.value)/1024/1024),2)||' MB' "SIZE",
        a.sid||','||a.serial# SID_SERIAL,
        a.username,a.osuser,
        a.program
   FROM sys.v_$session a,
        sys.v_$sort_usage b,
        sys.v_$parameter p
WHERE p.name = 'db_block_size'
    AND a.saddr = b.session_addr
ORDER BY b.blocks;

What is SQL Trace and How to Use it .

Dear Experts .
1.) May You Please tell me What is the Purpose of SQL-Trace and How to use it ?
2.) What is purpose of T-codes SE30 and ST22 ?
Please it is urgent ...
Regards : Rajneesh

Hi
SQL Trace transaction ST05: The trace list has many lines that are not related to the SELECT statement in the ABAP program. This is because the execution of any ABAP program requires additional administrative SQL calls. To restrict the list output, use the filter introducing the trace list.
The trace list contains different SQL statements simultaneously related to the one SELECT statement in the ABAP program. This is because the R/3 Database Interface - a sophisticated component of the R/3 Application Server - maps every Open SQL statement to one or a series of physical database calls and brings it to execution. This mapping, crucial to R/3s performance, depends on the particular call and database system. For example, the SELECT-ENDSELECT loop on a particular database table of the ABAP program would be mapped to a sequence PREPARE-OPEN-FETCH of physical calls in an Oracle environment.
The WHERE clause in the trace list's SQL statement is different from the WHERE clause in the ABAP statement. This is because in an R/3 system, a client is a self-contained unit with separate master records and its own set of table data (in commercial, organizational, and technical terms). With ABAP, every Open SQL statement automatically executes within the correct client environment. For this reason, a condition with the actual client code is added to every WHERE clause if a client field is a component of the searched table.
To see a statement's execution plan, just position the cursor on the PREPARE statement and choose Explain SQL. A detailed explanation of the execution plan depends on the database system in use.
Run time analysis transaction SE30 :This transaction gives all the analysis of an ABAP program with respect to the database and the non-database processing.
STEPS
Run time analysis transaction SE30
In Transaction SE30, fill in the transaction name or the program name which needs to be analyzed for performance tuning.
For our case, let this be ZABAP_PERF_TUNING
After giving the required inputs to the program, execute it. After the final output list has been displayed, PRESS the BACK button.
On the original SE30 screen, now click on ANALYZE button.
The percentage across each of the areas ABAP/ Database/System shows the percentage of total time used for those areas and load on these areas while running the program . The lesser the database load faster the program runs.
SQL Trace ST05
Starting the Trace:
To analyze a trace file, do the following:
Choose the menu path Test  Performance Trace in the ABAP Workbench or go to Transaction ST05. The initial screen of the test tool appears. In the lower part of the screen, the status of the Performance Trace is displayed. This provides you with information as to whether any of the Performance Traces are switched on and the users for which they are enabled. It also tells you which user has switched the trace on.
Using the selection buttons provided, set which trace functions you wish to have switched on (SWL trace, enqueue trace, RFC trace, table buffer trace).
If you want to switch on the trace under your user name, choose Trace on. If you want to pass on values for one or several filter criteria, choose Trace with Filter.
Typical filter criteria are: the name of the user, transaction name, process name, and program name.
Now run the program to be analyzed.
Stopping the Trace:
To deactivate the trace:
Choose Test Performance Trace in the ABAP Workbench. The initial screen of the test tool appears. It contains a status line displaying the traces that are active, the users for whom they are active, and the user who activated them.
Select the trace functions that you want to switch off.
Choose Deactivate Trace. If you started the trace yourself, you can now switch it off immediately. If the performance trace was started by a different user, a confirmation prompt appears before deactivation-
Analyzing a Sample trace data: PREPARE: Prepares the OPEN statement for use and determines the access method.
OPEN: Opens the cursor and specifies the selection result by filling the selection fields with concrete values.
FETCH: Moves the cursor through the dataset created by the OPEN operation. The array size displayed beside the fetch data means that the system can transfer a maximum package size of 392 records at one time into the buffered area.

How to find how much memory used by particular procedure or function.

Hi,
How can we find out memory used by particular procedure or function?
If procedure or function is called many times in particular interver, wil it be cached in memory?
and how will it affect performance?
what type of pl/sql statement will take more time than normal sql statement?

Hi
There are several different memory issues to consider:
- the code itself (stored in the shared pool)
- simple variables defined in the code
- complex variables (eg VARRAY, TABLE etc)
There's a helpful note on PL/SQL profiling here - http://www.oratechinfo.co.uk/tuning.html - which mentions how to measure memory use (session PGA and UGA - that's program and user global areas)
You can find out more about shared pool memory structures here - http://download-east.oracle.com/oowsf2005/003wp.pdf.
Calling a function many times - yes, the function code will be cached (if possible). Session state (for a package) will also be retained (ie global package variables).
If many users call the same function, there will be one copy of the code but many copies of the private state.
Finally: PL/SQL statements that can take a long time include:
- anything that does heavy processing inside a tight loop;
- anything that waits (select for update; read from a pipe or dequeue from AQ etc)
Probably the most common mistake is to use PL/SQL for relational processing that can be done from SQL itself (eg writing nested PL/SQL loops to join data that could have been queried in a single SQL statement. Try to minimise context switches between PL/SQL and SQL:
- use bulk collect where possible
- use set operations in SQL
Good luck, HTH
Regards Nigel

SQL Workbench/J Increase Memory Using -Xmx?

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