JVM heap parameter setting...

hi body
we have two HP machine. and each machine hardware configration is : 8 CPU and 40G memory
software environment:
1. system sofeware : HP-UX 11.31 64bit
2. NetWeaver 7.0 (2004s)
3. HP JDK 1.4.2 64bit
in machine one, also host one , the Message Server(SCS) | Central Instance and Oracle DB instance installed.
the DI (Dialog Instance) installed in second host alone. and it contain two server node .
what is the best configuration about JVM heap and GC parameters for each host(CI adn DI)
please help

The best configuration depends not only on your hardware, but also on the number of users and the way the system is being used.
For parameter recommendations of JVM, please check note 723909 - Java VM settings for J2EE 6.40/7.0
Kind regards,
Mark

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Can you alter the JVM heap space size for all Windows users?

Hi,
I have used the "-Xmx" option to increase the Java Heap space for my Java application. This works fine, but all other users on my system still have the default heap space setting and I want them to have use an increased heap space as well. I cannot alter the JVM heap space at the command line since our Java application is started via an ActiveX bridge from a Windows application.
So far I have found one potential, but not really good solution; I have figured out that I can copy the deployment.properties file containing the altered JVM heap setting from the "Application Data\Sun\Java\Deployment" folder in my own Windows "Documents and Settings" folder to the same folder of another user. However, this is not a really good solution since we are running a system with about 60 users and often new user accounts are created and sometimes people forget to copy the deployment.properties file.
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The following is my eclipse.ini:
-vmargs
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-Xmx512m
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Hi,
I don't know where to set the JVM heap...can anybody give me step by step to set the JVM heap..

What do you mean by set the heap? Set its size?Yes, what I mean is heap size. I got the problem java.lang.outOfmemory, and try ind the solution. Some of solution said set the heap size but it didn't explain in more detail.
Look at the arguments to java. (I mean "java" as in
"java.exe", the JVM executable.)What u mean look at the arguments to java?

Does Solaris10 for x86 allow me to set java jvm heap size up to 3G

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[url http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Runtime.html]Runtime seems to have some useful methods...

How to increase JVM Heap Size

Hi all,
Our Environment
===============
OS - Windows XP Service Pack 3
Oracle Developer Suite - 10.1.2.3.0
Oracle Forms & Reports Service 10.1.2.3.0
Oracle Database 10.2.0.1.0
JDK 1.5
Jinitiator 1.3.1.30
Apache POI 3.5
From forms we are writing to excel files after copying XL template using Apache POI 3.5 and JDK 1.5. This XL template file has got lot of macros.
We have imported the Java class files into form as pl/sql library. We are able to write upto 7Mb size of XL file. Beyond that size it comes with the error Ora-105101.
We tried to increase the JVM Heap Size to 640M by setting values -Xmx640M everywhere in OC4J_BI_FORMS/Server Properties/Java Options, Home/Server Properties/Java Options through Enterprise Manager console. Also manually set the values in OPMN.XML and reloaded the same. Also set -Xmx640M in Jinitiator 1.3.1.30 Java Runtime Parameters. Also set in Java console. All settings have no effect.
We have written a small program to display the run time memory from forms, which displays only maximum memory 63M all the time.
PACKAGE BODY HeapSize IS
-- DO NOT EDIT THIS FILE - it is machine generated!
args JNI.ARGLIST;
-- Constructor for signature ()V
FUNCTION new RETURN ORA_JAVA.JOBJECT IS
BEGIN
args := NULL;
RETURN (JNI.NEW_OBJECT('HeapSize', '()V', args));
END;
-- Method: getTotalMemory ()D
FUNCTION getTotalMemory(
obj ORA_JAVA.JOBJECT) RETURN NUMBER IS
BEGIN
args := NULL;
RETURN JNI.CALL_DOUBLE_METHOD(FALSE, obj, 'HeapSize', 'getTotalMemory', '()D', args);
END;
-- Method: getMaxMemory ()D
FUNCTION getMaxMemory(
obj ORA_JAVA.JOBJECT) RETURN NUMBER IS
BEGIN
args := NULL;
RETURN JNI.CALL_DOUBLE_METHOD(FALSE, obj, 'HeapSize', 'getMaxMemory', '()D', args);
END;
BEGIN
NULL;
END;
declare
obj ORA_JAVA.JOBJECT;
BEGIN
obj:=HeapSize.new;
message('Total memory '||HeapSize.getTotalMemory(obj));
message('Max memory '||HeapSize.getMaxMemory(obj));
END;
Below procedure is for writing to Excel file.
============================================
PACKAGE BODY UWWriteExcel IS
-- DO NOT EDIT THIS FILE - it is machine generated!
args JNI.ARGLIST;
-- Constructor for signature ()V
FUNCTION new RETURN ORA_JAVA.JOBJECT IS
BEGIN
args := NULL;
RETURN (JNI.NEW_OBJECT('UWWriteExcel', '()V', args));
END;
-- Method: copyExcel (Ljava/lang/String;Ljava/lang/String;)V
PROCEDURE copyExcel(
obj ORA_JAVA.JOBJECT,
a0 VARCHAR2,
a1 VARCHAR2) IS
BEGIN
args := JNI.CREATE_ARG_LIST(2);
JNI.ADD_STRING_ARG(args, a0);
JNI.ADD_STRING_ARG(args, a1);
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'copyExcel', '(Ljava/lang/String;Ljava/lang/String;)V', args);
END;
-- Method: getSpreadSheetPara (Ljava/lang/String;)V
PROCEDURE getSpreadSheetPara(
obj ORA_JAVA.JOBJECT,
a0 VARCHAR2) IS
BEGIN
args := JNI.CREATE_ARG_LIST(1);
JNI.ADD_STRING_ARG(args, a0);
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'getSpreadSheetPara', '(Ljava/lang/String;)V', args);
END;
-- Method: openSheet (I)V
PROCEDURE openSheet(
obj ORA_JAVA.JOBJECT,
a0 NUMBER) IS
BEGIN
args := JNI.CREATE_ARG_LIST(1);
JNI.ADD_INT_ARG(args, a0);
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'openSheet', '(I)V', args);
END;
-- Method: getCellValues (IID)V
PROCEDURE getCellValues(
obj ORA_JAVA.JOBJECT,
a0 NUMBER,
a1 NUMBER,
a2 NUMBER) IS
BEGIN
args := JNI.CREATE_ARG_LIST(3);
JNI.ADD_INT_ARG(args, a0);
JNI.ADD_INT_ARG(args, a1);
JNI.ADD_DOUBLE_ARG(args, a2);
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'getCellValues', '(IID)V', args);
END;
-- Method: getCellValues (IILjava/lang/String;)V
PROCEDURE getCellValues(
obj ORA_JAVA.JOBJECT,
a0 NUMBER,
a1 NUMBER,
a2 VARCHAR2) IS
BEGIN
args := JNI.CREATE_ARG_LIST(3);
JNI.ADD_INT_ARG(args, a0);
JNI.ADD_INT_ARG(args, a1);
JNI.ADD_STRING_ARG(args, a2);
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'getCellValues', '(IILjava/lang/String;)V', args);
END;
-- Method: exportExcel ()V
PROCEDURE exportExcel(
obj ORA_JAVA.JOBJECT) IS
BEGIN
args := NULL;
JNI.CALL_VOID_METHOD(FALSE, obj, 'UWWriteExcel', 'exportExcel', '()V', args);
END;
-- Method: copy (Ljava/lang/String;Ljava/lang/String;)V
PROCEDURE copy(
a0 VARCHAR2,
a1 VARCHAR2) IS
BEGIN
args := JNI.CREATE_ARG_LIST(2);
JNI.ADD_STRING_ARG(args, a0);
JNI.ADD_STRING_ARG(args, a1);
JNI.CALL_VOID_METHOD(TRUE, NULL, 'UWWriteExcel', 'copy', '(Ljava/lang/String;Ljava/lang/String;)V', args);
END;
BEGIN
NULL;
END;
declare
obj ORA_JAVA.JOBJECT;
BEGIN
message('-1');pause;
obj:=UWWriteExcel.new;
message('0');pause;
UWWriteExcel.copyExcel(obj,'C:\\excel\\CAT2009WS.XLS','C:\\excel\\CAT2009WS.XLS');
message('1');pause;
UWWriteExcel.openSheet(obj,0);
message('2');pause;
UWWriteExcel.getCellValues(obj,6,2,900);
message('3');pause;
UWWriteExcel.getCellValues(obj,7,2,911);
message('4');pause;
UWWriteExcel.exportExcel(obj);
END;
When the size of XL is more than 7Mb, after message(0) it will be display oracle error.
From command prompt if we run the same java class file by passing -Xmx256m parameter we are able to write to big XL file.
Can anyone tell me where I am wrong... Can we increase the JVM Heap Size from forms...

I have a simular problem.
Via Forms I call a Java class (import Java class -> PL/SQL class java method).
For this specific process I need to set the Xmx java option...
How do I do this ?
Changing the java option for the Forms-OC4J in the EM doesn't help.
Is there an other level where I can modify this ?
Does the java process of the forms is the single process that exists ? How does he handles such java calls?
Are that separed java processes ? threads ? ....
Thanks !!!

JVM Heap question -

Hi,
I have two question related to Java Heap on J2EE 7.0.
First Question-
The NewSize and MaxNewSize parameters control the new generation's minimum and maximum size. There is another parameter called NewRatio, which conntrols the ratio of old to young generation. I presume that young and new generation are same thing.
My question is that do I have to set only NewRatio or I have to set NewSize and MaxNewSize as well to control the size of the new generation. If I set all three than which one will supercede what. OR NewSize and MaxNewSize is just a cap so it does go above this value even if the ratio ment to be little higher for young generation.
Second Question -
I have 10GB RAM on out J2EE host PI 7.0. I have only one server. The server heap is set to 2048 in configtool. Both -Xms and -Xmx are same. This is on AIX. When I check my host at UNIX then I always see free memory. I have read that one server0 should have 8GB.
My question is that do I need to increase the -Xms and -Xmx sizes and what is the relationship of heap with RAM. I am limiting the heap to 2048. Both old and young will limited within this heap. Like in ABAP we have RAM then extended and then heap per/session and extended per/session. Is there anything like this in J2EE.
I am very confused.
Please help me.
SC

Hi,
To your first question:
In Java 1.3, NewRatio is superseded by MaxNewSize's defaults (rendering NewRatio ineffective for even moderately sized heaps).
In 1.4 and later, MaxNewSize has been effectively set to infinity, and NewRatio can be used instead to set the value of the new generation
Second Question :
Check this thread well explaind by Ventsi Tsachev
Re: Question on "Max Heap size" for Was 70
Regards
Shaji

JVM Heap size settings

I am unbale to find the JVM heap settings.Could you please me where the heap size was defined?

886340 wrote:
With reference to Java WebStart.
sigh
- I open google
- I type in "java webstart set heap". Click search
- first hit: the webstart faq
http://download.oracle.com/javase/1,5.0/docs/guide/javaws/developersguide/faq.html
- I search for "heap" using the browser search function
- I feel superior for finding the answer that quickly and easily
It makes me sad when people don't want to help themselves to live an easier and more rewarding development life. All it takes is the will to learn how to find information yourself :(

Does bdb cache use JVM heap memory?

I'm using BDB Java API. Do I need to set the heap size to be bigger than the db cache size?

Hi Mimi,
BDB cache size and JVM heap size are used for two different things. Cache size is used for storing the db data in modifying them in memory. If the cache size is not optimum then there would be too much of I/O activity and the performance would be affected.
JVM heap size is used by the JVM to store the objects that the application creates. If the heap size is too small and there are too many objects get created by the application then the GC thread would be very active and will affect the performance of the application.
Whether the heap size would be bigger than the cache size or not will depend upon how the application works.
-Debsubhra Roy

Can I get the reference to all objects in JVM Heap?

Hello,
Thanx in advance for reading (and replying) to this problem.
I need to find an object whose reference I dont have.
I feel the best place to search for is the JVM heap.
If I get that JVM heap, and am able to get all the objects created, I can locate the particular object that I am looking for.
Is there a way to od this????
Any suggestions ????
Vikas

JVMTI will mostly help you in this case. But i recomend you to review you application design, because such services are unsafe and rather tricky.

Capturing the JVM heap usage information to a log

When using weblogic 6.1sp3 the console under monitoring/performance a graph is
displayed with the historical JVM heap usage information. Is there any way to
capture this information to a log?

For heap size before and after each gc, you could pass the -verbose:gc option to the JVM
on startup:
WLS C:\alex>java -verbose:gc weblogic.Admin PING 10 10
[GC 512K->154K(1984K), 0.0068905 secs]
[GC 666K->164K(1984K), 0.0069037 secs]
[GC 676K->329K(1984K), 0.0029822 secs]
[GC 841K->451K(1984K), 0.0038960 secs]
[GC 963K->500K(1984K), 0.0015452 secs]
[GC 1012K->598K(1984K), 0.0027509 secs]
[GC 1110K->608K(1984K), 0.0029370 secs]
[GC 1120K->754K(1984K), 0.0027361 secs]
[GC 1266K->791K(1984K), 0.0019639 secs]
[GC 1303K->869K(1984K), 0.0028314 secs]
[GC 1381K->859K(1984K), 0.0012957 secs]
[GC 1367K->867K(1984K), 0.0012504 secs]
[GC 1379K->879K(1984K), 0.0018592 secs]
[GC 1391K->941K(1984K), 0.0036871 secs]
[GC 1453K->988K(1984K), 0.0027143 secs]
Sending 10 pings of 10 bytes.
RTT = ~47 milliseconds, or ~4 milliseconds/packet
Looks like it might be too much info though...
Cheerio,
-alex
Fazle Khan wrote:
When using weblogic 6.1sp3 the console under monitoring/performance a graph is
displayed with the historical JVM heap usage information. Is there any way to
capture this information to a log?

Can off JVM heap Memory used in the Near-Cache front-tier

I had tried to config a near-Cache used nio-manager(off JVM heap) in the Front-tier.
<near-scheme>
      <scheme-name>CohApp-near</scheme-name>
      <front-scheme>
        <external-scheme>
        </external-scheme>
      </front-scheme>
      <back-scheme>
        <distributed-scheme>
          <scheme-ref>CohApp-distributed</scheme-ref>
        </distributed-scheme>
      </back-scheme>
      <invalidation-strategy>auto</invalidation-strategy>
      <autostart>true</autostart>
    </near-scheme>
when start 'com.tangosol.net.DefaultCacheServer' for this config, error as:
Oracle Coherence Version 3.7.1.0 Build 27797
Enterprise Edition: Development mode
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
2014-03-30 16:34:17.518/1.201 Oracle Coherence EE 3.7.1.0 <Error> (thread=main,
member=n/a): Error org.xml.sax.SAXParseException: cvc-complex-type.2.4.a: Invali
d content was found starting with element 'external-scheme'. One of '{"http://xm
lns.oracle.com/coherence/coherence-cache-config":local-scheme, "http://xmlns.ora
cle.com/coherence/coherence-cache-config":class-scheme}' is expected. - line 92
Exception in thread "main" (Wrapped: Failed to load the factory) (Wrapped: Missi
ng or inaccessible constructor "com.tangosol.net.DefaultConfigurableCacheFactory
(String)"
<configurable-cache-factory-config>
<class-name>com.tangosol.net.DefaultConfigurableCacheFactory</class-name>
<init-params>
    <init-param>
      <param-type>java.lang.String</param-type>
      <param-value>coherence-cache-config.xml</param-value>
    </init-param>
</init-params>
</configurable-cache-factory-config>) java.lang.reflect.InvocationTargetExceptio
n
        at com.tangosol.util.Base.ensureRuntimeException(Base.java:288)
        at com.tangosol.net.ScopedCacheFactoryBuilder.getDefaultFactory(ScopedCa
cheFactoryBuilder.java:311)
        at com.tangosol.net.DefaultCacheFactoryBuilder.getSingletonFactory(Defau
ltCacheFactoryBuilder.java:48)
        at com.tangosol.net.DefaultCacheFactoryBuilder.getFactory(DefaultCacheFa
ctoryBuilder.java:121)
        at com.tangosol.net.ScopedCacheFactoryBuilder.getConfigurableCacheFactor
y(ScopedCacheFactoryBuilder.java:112)
        at com.tangosol.net.CacheFactory.getConfigurableCacheFactory(CacheFactor
y.java:126)
        at com.tangosol.net.DefaultCacheServer.getDefaultConfigurableCacheFactor
y(DefaultCacheServer.java:364)
        at com.tangosol.net.DefaultCacheServer.main(DefaultCacheServer.java:197)
Caused by: (Wrapped: Missing or inaccessible constructor "com.tangosol.net.Defau
ltConfigurableCacheFactory(String)"
<configurable-cache-factory-config>
<class-name>com.tangosol.net.DefaultConfigurableCacheFactory</class-name>
<init-params>
    <init-param>
      <param-type>java.lang.String</param-type>
      <param-value>coherence-cache-config.xml</param-value>
    </init-param>
</init-params>
</configurable-cache-factory-config>) java.lang.reflect.InvocationTargetExceptio
n
        at com.tangosol.util.Base.ensureRuntimeException(Base.java:288)
        at com.tangosol.run.xml.XmlHelper.createInstance(XmlHelper.java:2652)
        at com.tangosol.run.xml.XmlHelper.createInstance(XmlHelper.java:2536)
        at com.tangosol.net.ScopedCacheFactoryBuilder.getDefaultFactory(ScopedCa
cheFactoryBuilder.java:273)
        ... 6 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.tangosol.util.ClassHelper.newInstance(ClassHelper.java:694)
        at com.tangosol.run.xml.XmlHelper.createInstance(XmlHelper.java:2611)
        ... 8 more
Caused by: (Wrapped: Failed to load cache configuration: coherence-cache-config.
xml) (Wrapped) java.io.IOException: Exception occurred during schema validation:
cvc-complex-type.2.4.a: Invalid content was found starting with element 'externa
l-scheme'. One of '{"http://xmlns.oracle.com/coherence/coherence-cache-config":l
ocal-scheme, "http://xmlns.oracle.com/coherence/coherence-cache-config":class-sc
heme}' is expected.
        at com.tangosol.util.Base.ensureRuntimeException(Base.java:288)
        at com.tangosol.run.xml.XmlHelper.loadResourceInternal(XmlHelper.java:34
1)
        at com.tangosol.run.xml.XmlHelper.loadFileOrResource(XmlHelper.java:283)
        at com.tangosol.net.DefaultConfigurableCacheFactory.loadConfig(DefaultCo
nfigurableCacheFactory.java:439)
        at com.tangosol.net.DefaultConfigurableCacheFactory.loadConfig(DefaultCo
nfigurableCacheFactory.java:425)
        at com.tangosol.net.DefaultConfigurableCacheFactory.<init>(DefaultConfig
urableCacheFactory.java:155)
        ... 14 more
Caused by: (Wrapped) java.io.IOException: Exception occurred during schema valid
ation:
cvc-complex-type.2.4.a: Invalid content was found starting with element 'externa
l-scheme'. One of '{"http://xmlns.oracle.com/coherence/coherence-cache-config":l
ocal-scheme, "http://xmlns.oracle.com/coherence/coherence-cache-config":class-sc
heme}' is expected.
        at com.tangosol.run.xml.XmlHelper.loadXml(XmlHelper.java:122)
        at com.tangosol.run.xml.XmlHelper.loadXml(XmlHelper.java:157)
        at com.tangosol.run.xml.XmlHelper.loadResourceInternal(XmlHelper.java:32
2)
        ... 18 more
Caused by: java.io.IOException: Exception occurred during schema validation:
cvc-complex-type.2.4.a: Invalid content was found starting with element 'externa
l-scheme'. One of '{"http://xmlns.oracle.com/coherence/coherence-cache-config":l
ocal-scheme, "http://xmlns.oracle.com/coherence/coherence-cache-config":class-sc
heme}' is expected.
        at com.tangosol.run.xml.SimpleParser.parseXml(SimpleParser.java:212)
        at com.tangosol.run.xml.SimpleParser.parseXml(SimpleParser.java:93)
        at com.tangosol.run.xml.SimpleParser.parseXml(SimpleParser.java:162)
        at com.tangosol.run.xml.SimpleParser.parseXml(SimpleParser.java:115)
        at com.tangosol.run.xml.XmlHelper.loadXml(XmlHelper.java:118)
        ... 20 more
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.a: Invalid conten
t was found starting with element 'external-scheme'. One of '{"http://xmlns.orac
le.com/coherence/coherence-cache-config":local-scheme, "http://xmlns.oracle.com/
coherence/coherence-cache-config":class-scheme}' is expected.
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAX
ParseException(ErrorHandlerWrapper.java:195)
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Err
orHandlerWrapper.java:131)
        at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(
XMLErrorReporter.java:384)
        at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(
XMLErrorReporter.java:318)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErro
rReporter.reportError(XMLSchemaValidator.java:417)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportS
chemaError(XMLSchemaValidator.java:3182)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleS
tartElement(XMLSchemaValidator.java:1806)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startEl
ement(XMLSchemaValidator.java:705)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scan
StartElement(XMLNSDocumentScannerImpl.java:400)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImp
l$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2756)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(X
MLDocumentScannerImpl.java:648)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next
(XMLNSDocumentScannerImpl.java:140)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImp
l.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(X
ML11Configuration.java:808)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(X
ML11Configuration.java:737)
        at com.sun.org.apache.xerces.internal.jaxp.validation.StreamValidatorHel
per.validate(StreamValidatorHelper.java:144)
        at com.sun.org.apache.xerces.internal.jaxp.validation.ValidatorImpl.vali
date(ValidatorImpl.java:111)
        at javax.xml.validation.Validator.validate(Validator.java:127)
        at com.tangosol.run.xml.SaxParser.validateXsd(SaxParser.java:236)
        at com.tangosol.run.xml.SimpleParser.parseXml(SimpleParser.java:206)
So I think that if can off JVM heap Memory used in the Near-Cache front-tier?
Or can help how to config the off JVM heap Memory used in the Near-Cache front-tier.
Thanks.

Only local-scheme and class-scheme can be used in the front-scheme of a near cache.

Unified CCX Engine JVM Heap counter monitoring

Greetings!
I'm looking for solution how I can monitor Unified CCX Engine JVM Heap counter from external system.
Description for the object in RTMT:
Object: Unified CCX Engine JVM Heap
Counter: PercentageMemoryUsedAfterGC
Desc: This represents the percentage of heap memory that is used by the application after the last full Garbage Collection cycle.
At the moment I see the only one solution which is to get the value via SNMP. But I couldn't find the OID for this counter. Can anyone tell me where I can find it or suggest another solution ?
Thanks in advance for your answers.

AMOR is a new one for me, and I like it!
I have not tried to access this API from UCCX, however, it's just another VOS API which should be the same on all VOS platforms. An attempt to query the UCCX server for its PerfMon WSDL, does not return one, so perhaps it doesn't. It did work on my CUCM.
https://ServerName:8443/perfmonservice2/services/PerfmonService?wsdl

How to get jvm heap size?

Hi All,
I would like to get the jvm heap size.
by which method to get jvm heap size?
Where it can be executed?
Thanks,

You can get this:
http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Runtime.html#freeMemory()

Change your JVM heap size

Can you please let me know how to increase the JVM Heap Size -- on linux fedora 6.0.
Thank you,

See -Xmx
http://java.sun.com/javase/6/docs/technotes/tools/solaris/java.html

What is the best heap memory setting for JBoss?

I am running a Windows 2003 server and JBoss is running as service. The current heap configurations is 1024, but I am having some problems with the service failing. What is the optimal heap memory setting? Thank you,

There is no optimal memory setting for LiveCycle.
It depends on the components you have chosen to deploy. If Content Services ES2 is deployed, your heap size settings should be about 2 GB, otherwise 1.0 - 1.7 GB might suffice.
http://blogs.adobe.com/livecycle/2010/01/optimal_livecycle_es2_jboss_ru.html

JVM heap parameter setting...

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