Question; you are using different settings? Apache performance guide
says keep them the same? Has this changed? Just asking to stay up on
configs. Thanks
Sent from my iPhone
On Jan 26, 2010, at 12:58 PM, Joe D'Souza <[email protected]> wrote:
**
Sean,
From your installation path of tomcat I can see you are running
tomcat version 5.5.28. For this version the parameter that you need
to reset in the tomcat startup file in the bin directory is
CATALINA_OPT..
Open the startup file. Set the above parameter to " -Xmx<max
memory>m -Xms<min initial>m"
Calculate max memory to be less than 70% of the total available free
memory on your server before the start of tomcat.. The minimum
initial memory can safely be set at half the max memory calculated.
You might also want to set incremental garbage collection by -
Xincgc. This also would help in your performance and reduce out of
memory errors by removing from memory least used portions of java
memory.
So lets say you calculate your max memory to be 2048 and minimum
initial to be 1024, you will have
CATALINA_OPT=" -Xmx2048m -Xms1024m -Xincgc"
Stop and start tomcat for these changes to take effect.
Hope this helps..
Joe
-----Original Message-----
From: Action Request System discussion list(ARSList)
[mailto:[email protected]]on Behalf Of Sean Harrodine
Sent: Tuesday, January 26, 2010 11:27 AM
To: [email protected]
Subject: How to increase java.lang.OutOfMemoryError: Java heap space
**
Hi all,
We are running apache tomcat 5.5.28 on our Linux midtier server and
are seeing the following errors..........
# ps -ef|grep java
root 8620 1 0 16:10 pts/0 00:00:09 /opt/jdk1.6.0_16/jre/
bin/java -Djava.util.logging.config.file=/usr/apache-tomcat-5.5.28/
conf/logging.properties -Xmx256m -Xms256m -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/usr/apache-tomcat-5.5.28/common/endorsed -
classpath /usr/apache-tomcat-5.5.28/bin/bootstrap.jar -
Dcatalina.base=/usr/apache-tomcat-5.5.28 -Dcatalina.home=/usr/apache-
tomcat-5.5.28 -Djava.io.tmpdir=/usr/apache-tomcat-5.5.28/temp
org.apache.catalina.startup.Bootstrap start
java.lang.OutOfMemoryError: Java heap space
java.util.TreeMap.put(TreeMap.java:554)
com.bmc.arsys.api.RpcConverter.fromRpcArPropListToDisplayPropertyMap
(Unknown Source)
com.bmc.arsys.api.RpcHandConverter..fromRpcArDisplayInstanceList
(Unknown Source)
com.bmc.arsys.api.RpcHandConverter.fromRpcArGetMultipleFields14Out
(Unknown Source)
com.bmc.arsys.api.ProxyJRpc.ARGetMultipleFields(Unknown Source)
com.bmc.arsys.api.ARServerUser.getListFieldObjects(Unknown
Source)
com.remedy.arsys.goat.CachedFieldMapInternal.<init>
(Unknown Source)
com.remedy.arsys.goat.Form.getCachedFieldMap(Unknown Source)
com.remedy.arsys.goat.Form.getCachedFieldMap(Unknown Source)
com.remedy.arsys.goat.action.ActionOpenDialog.<init>(Unknown
Source)
com.remedy.arsys.goat.action.ActionList.compileAction(Unknown
Source)
com.remedy.arsys.goat.action.ActionList.<init>(Unknown Source)
com.remedy.arsys.goat.ActiveLink.<init>(Unknown Source)
com.remedy.arsys.goat.ActiveLink.bulkLoad(Unknown Source)
com.remedy.arsys.goat.ActiveLinkCollector.<init>(Unknown
Source)
com.remedy.arsys.goat.field.FieldGraph.instantiateFields
(Unknown Source)
com.remedy.arsys.goat.field.FieldGraph.getHTMLData(Unknown
Source)
com.remedy.arsys.goat.field.FieldGraph.transmitHTML(Unknown
Source)
com.remedy.arsys.stubs.FormServlet.requestDispatch(Unknown
Source)
com..remedy.arsys.stubs.FormServlet.doRequest(Unknown Source)
com.remedy.arsys.stubs.GoatServlet.postInternal(Unknown Source)
com.remedy.arsys.stubs.GoatHttpServlet.doGet(Unknown Source)
javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
Can anyone point me in the right direct as to where and how we can
increase it please ??
TIA...as always !
Sean
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