Java, -Xmn too large for -Xmx

java.lang.OutOfMemoryError: Java heap space error and deal with Office

The following is from the Internet to find space on the heap overflow error solution: java.lang.OutOfMemoryError: Java heap space =================================================== Java programs use a lot of queries from the database when the abnormal da

java.lang.OutOfMemoryError: Java heap space error and Treatment

java.lang.OutOfMemoryError: Java heap space ================================================== = Using the Java program from the database query exception when large amounts of data: java.lang.OutOfMemoryError: Java heap space If the JVM in 98% of the time

java.lang.OutOfMemoryError solution

/ / First of all inspection procedures are not limited to the death cycle This problem is mainly the problem by java.lang.OutOfMemoryError: Java heap space caused. The first time the issue of this later, led to other problems. Investigated the Intern ...

java.lang.OutOfMemoryError

java.lang.OutOfMemoryError: PermGen space and their solutions PermGen space stands for Permanent Generation space, refers to the memory of the permanent preservation areas OutOfMemoryError: PermGen space on the surface that is out of the memory benefit, t

java virtual machine jvm memory settings on the tuning

java virtual machine jvm memory settings on the tuning JVM memory settings for the principle of The default java virtual machine, the size of the relatively small, in the large data processing java will throw an error: java.lang.OutOfMemoryError. Set jvm

JVM (java virtual machine), tuning, GC (garbage collection)

Keywords: JVM (java virtual machine), tuning, GC (garbage collection) JVM GC tuning the JVM GC in order to be able to tune to use in a specific practice, the following will use several examples to illustrate the GC-tuning. Example 1: Heap size settin ...

[Change] java.lang.OutOfMemoryError: PermGen space solution

PermGen space stands for Permanent Generation space, refers to the memory of the permanent preservation areas OutOfMemoryError: PermGen space on the surface that is out of the memory benefit, the solution must also be to increase the memory. Why talk abou

Java 5 version of the above (SUN JVM) GC parameter adjustment Daquan

Some gains today, finally found the Sun Hotspot JVM GC Parameter Adjustment of the most complete list: http://blogs.sun.com/watt/resource/jvm-options-list.html http://www.cnblogs.com/totti19841106/archive/2009/01/12/1374274.html Java 5 or later (incl ...

Common Errors in Setting Java Heap Size

Two JVM options are often used to tune JVM heap size: -Xmx for maximum heap size, and -Xms for initial heap size. Here are some common mistakes I have seen when using them: * Missing m, M, g or G at the end (they are case insensitive). For example, java -

java memory settings

JVM memory settings for the principle of The default java virtual machine, the size of the relatively small, in the large data processing java will throw an error: java. Lang.OutOfMemoryError. Set jvm memory method, for the individual. Class, you can use

Java Virtual Machine (JVM) in the memory settings Xiangjie

In larger-scale applications, Java Virtual Machine (JVM) memory settings is particularly important to achieve good efficiency in the project, GC (garbage collection) set is the first step. PermGen space: full name is PermanentGenerationspace. That is a pe

Adjust the Java Virtual Machine

Although the JVM with the JVM provided to adjust operating procedures vary, but generally the concept of adjustment for all JVM. These general concepts are: Compiler to adjust. When the server is running, all use real-time JVM (JIT) compiler to compi

Java Virtual Machine (JVM) in the memory settings Xiangjie (Goodfellas)

In some slightly larger scale applications, Java Virtual Machine (JVM) memory settings is particularly important, to obtain a good efficiency in the project, GC (garbage collection) the setting is the first step. PermGen space: full name is the Permanent

Java Virtual Machine (JVM) is reproduced in the memory settings Xiangjie

In larger-scale applications, Java Virtual Machine (JVM) memory settings is particularly important to achieve good efficiency in the project, GC (garbage collection) set is the first step. PermGen space: full name is the Permanent Generation space. That i

[Change] Java Virtual Machine (JVM) in the memory settings Xiangjie

Java Virtual Machine (JVM) in the memory settings Xiangjie This article introduces you to the Java virtual machine, that is, how to set JVM memory, the GC to achieve good efficiency. In larger-scale applications, Java Virtual Machine (JVM) memory settings

JVM Tuning summary-Xms-Xmx-Xmn-Xss

This article is reproduced from: http://unixboy.javaeye.com/blog/174173 Heap size is set JVM heap size of the largest of three limitations: the data model related to the operating system (32-bt or 64-bit) limits; system available virtual memory limit

JAVA Performance Tuning-Sun Hotspot JDK JVM parameter

(Transfer from: http://www.hashei.me/2009/05/tuning-the-sun-hotspot-jdk.html ) Mainly based on this PDF ( GCTuningGuidelines ) written. The first is the introduction of the new JDK1.5 features Ergonomic Settings (automatic optimization of parameters)

java GC garbage collector [Z]

That is, garbage collection mechanism is no longer in use jvm for the release of the object that the memory. jvm java language does not require a gc, gc how to work and did not provide. However, there jvm common gc, and most use a similar method gc memory

java out of memory error analysis, and two common solutions (java.lang.OutOfMemeryError))

Article reference http://www.5e8.org/archives/71 , and make the appropriate changes. Tomcat environment as an example to other WEB server such as jboss, weblogic, etc. is the same rationale 1. Java.lang.OutOfMemoryError: PermGen space PermGen space stands

JVM tuning Summary-Xms-Xmx-Xmn-Xss (rpm)

Heap size JVM maximum heap size in the three limitations: the data model related to the operating system (32-bt or 64-bit) limits; system of free virtual memory limit; system's available physical memory limit. 32-bit system, generally limited to 1.5G

Tuning Java garbage collection policy, practice papers

2008-10-22 13:26:30 From: KK JVM parameters tuning is a headache, and applications may be a relationship, here are some of my practical experience tuning, in the hope readers can help the environment LinuxAS4, resin2.1.17, JDK6.0, 2CPU, 4G memory, de

For more Java out of memory solutions

First, the type of memory 1, java.lang.OutOfMemoryError: PermGen space JVM management of two types of memory, heap and non-heap. Heap is used for developers to say that the above is to create a JVM startup; non-JVM heap is reserved for their own use,

JAVA Performance Tuning-IBM JDK JVM parameters

This article describes the IBM JDK under the common parameter settings. -Xms: minimum heap size -Xmx: maximum heap size -Xminf and-Xmaxf: GC (garbage collection) of free space after the minimum and maximum values -Xmine and-Xmaxe: minimum maximum hea

Java Virtual Machine (JVM) memory settings in the Detailed

Reprinted: http://developer.51cto.com/art/200906/127144.htm In larger-scale applications, Java Virtual Machine (JVM) memory settings is particularly important to achieve good efficiency in the project, GC (garbage collection) setting is the first step. Pe

java jvm parameters-Xms-Xmx-Xmn-Xss tuning Summary

java jvm parameters-Xms-Xmx-Xmn-Xss tuning Summary Common Configuration Example <br /> heap size setting JVM maximum heap size in the three limitations: the data model related to the operating system (32-bt or 64-bit) limits; system of free virtual

tomcat outofmemoryerror permgen space java heap space

Keywords: tomcat outofmemoryerror permgen space java heap space Familiar with a recently developed in the project for several years, the need to migrate to mysql database from oracle, the first connection point to the jdbc mysql, tomcat package into which

JAVA memory leak is divided into two situations

JAVA-memory is divided into two situations: When one is enough memory JVM heap memory is adequate, but just did not result in a continuous memory space, memory space such as a continuous array of applications: Java code String [] array = new String [10000

java virtual machine memory settings and tuning

The default size of the java virtual machine is relatively small, in the processing of large data will be error java: java.lang.OutOfMemoryError. Set jvm memory means, for a single. Class, you can use the following method Test run the jvm memory settings.

Weblogic reported java.lang.OutOfMemoryError: PermGen space

OutOfMemory Java programmers is simply not encountered impossible! Visible in the Java world, too many uncertainties to run Java programs directly led to the collapse of a direct throw OutOfMemory exceptions, but when faced with this problem, it is very d

Resin3.1 Optimization (turn http://www.blogjava.net/jelver/articles/183376.html)

Resin has been used four or five years, but had previously been doing some small systems, resin pressure is not large, time recently to do a large system, the average daily ip with 10 million, resin pressure is very large, in addition to optimization

JVM Tuning summary

Reference URL http://pengjiaheng.spaces.live.com/blog/cns!2DAA368B386E6AEA!770.entry This talk about a more comprehensive, comparative Getting Started http://blog.csdn.net/Peart_Boy/archive/2006/10/01/1313413.aspx Talk about the basic concepts of good, al

JVM memory model, as well as garbage collection strategy for analysis

First of all I wish you all a happy Spring Festival, a few months before the study a bit JVM memory model, sorting learning experiences, sharing them with everyone to discuss progress in learning. A JVM memory model 1.1 Java Stack Java stack is associated

JVM memory model, as well as garbage collection strategy for parsing [continued]

Then today, complement Part Bo-wen. 3 garbage collection policy configuration 3.1 Throughput Priority Throughput refers to the GC run time and the ratio of the total time, such as the system runs 100 minutes, while the GC takes up a minute, then the throu

In-depth analysis on the JVM PermGen space

PermGen space stands for Permanent Generation space, refers to the memory of the permanent preservation areas OutOfMemoryError: PermGen space on the surface that is out of the memory benefit, the solution must also be to increase the memory. Why talk abou

JVM parameters tuning practice last go round

JVM parameters tuning is a very difficult problem, set a poor job, JVM ongoing implementation of Full GC, cause the entire system becomes very slow, the website dead time can be up to 10 seconds or more, which, if not repeat it a few minutes to once, ...

Senior Project in progress to switch

Senior Project in progress Has been read 240 times 2009-08-21 19:34 Tags: Project in progress 1, WARN - Error setting value ognl.OgnlException: target is null for setProperty (null, "emailContent", [Ljava.lang.String; @ b56559) - The investigati

Garbage collection policy configuration

Reprinted from: http://yuquan-nana.javaeye.com/blog/600369 Garbage collection policy configuration 3.1 Throughput Priority Throughput refers to the GC run time and the ratio of the total time, such as the system runs 100 minutes, while the GC takes up a m

To solve the problem of memory overflow (Reprinted)

java.lang.OutOfMemoryError Java heap space Using the Java program from the database query exception when large amounts of data: java.lang.OutOfMemoryError: Java heap space If the JVM in 98% of the time available for the GC Heap size and less than 2% ...

Solution PermGen space Tomcat memory settings

Using the Java program from the database query large amounts of data, or application server (eg tomcat, jboss, weblogic) occur when loading jar package java.lang.OutOfMemoryError exception. This is mainly due to the application server memory caused. This

Application Server JVM memory management and optimization of the SUN JVM memory management (under)

Analysis: Jason SHChen How to adjust the JVM parameters of the system in a specific hardware configuration to achieve optimal performance. Part SUN JVM through the memory management mechanism of introduction, we all know that the SUN JVM memory into perma

resin optimization experience

2008-02-19 17:03 Resin Threads Resin will automatically allocate and free threads as the load requires. Since the threads are pooled, Resin can reuse old threads without the performance penalty of creating and destroying the threads. When the load drops,

JVM memory and garbage collection policy analysis model

From: http://yuquan-nana.javaeye.com/blog/599750 A JVM memory model 1.1 Java stack Java stack is associated with each thread, JVM is created each time a thread will be allocated a stack space for threads. It is mainly used to store thread local variables

JVM memory and garbage collection strategy model analysis [continued]

From: http://yuquan-nana.javaeye.com/blog/599750 3 garbage collection policy configuration 3.1 throughput priority Throughput refers to the GC run time and the ratio of total time, such as the system runs 100 minutes, while the GC takes up a minute, then

Bad memory, memo. (JVM memory model and the garbage collection policy analysis)

JVM memory model and strategy analysis for a JVM garbage collection memory model 1.1 Java stack Java stack is associated with each thread, JVM is created each time a thread will be allocated a stack space for threads. It is mainly used to store thread loc

jvm arguments detailed

For example, heap size common configuration settings JVM heap size of the largest of three limitations: the data model related to the operating system (32-bt or 64-bit) limits; system available virtual memory limit; system available physical memory l

JDK5.0 garbage collection optimization of - Don 't Pause (turn south white)

Study: white South , the latest version of the link: http://blog.csdn.net/calvinxiu/archive/2007/05/18/1614473.aspx , All rights reserved Please keep the original link. Originally wanted to title easier as the -, "Do not stop," but even still ow

(All) JVM tuning Summary (change)

Original Source: http://pengjiaheng.spaces.live.com/blog/cns!2DAA368B386E6AEA!770.entry Recently concluded a number of things, is basically a summary of some of the information online. 1, related concepts Basic recovery algorithm Reference count (Ref

[Project summary of 6] Water Moon - tuning (change)

Original Address: http://pengjiaheng.spaces.live.com/blog/cns!2DAA368B386E6AEA!737.entry Test measured so bad, natural or tuning up a bit powerless. Originally tested with the tuning is put a piece of writing, but then looked at the focus of two thin

SUN JVM memory management and server memory allocation and optimization of non-

Part for a briefing on SUN JVM memory management mechanism. This mainly explains the JVM with performance-related parameters, how to use tools to monitor JVM memory allocation and how the use of JVM parameters to adjust the system in a specific hardware c

jvm memory in different situations and how to increase the PermGen space-related

1, set the environment variable set JAVA_OPTS =-Xms32m-Xmx512m 2, java-Xms32m-Xmx800m className Is in the implementation of the JAVA class file with this parameter, which is the need to perform really className the class name. (Including the package name)
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