eclipse thread dump analyzer

Using Eclipse Memory Analyzer for heap dump file analysisEclipse Memory Analyzer (MAT) is one of 33 components of the famous Eclipse Galileo version of the cross-platform integrated development environment, which is a feature-rich JAVA heap

Eclipse Memory Analyzer (MAT) is one of 33 components of the famous Eclipse Galileo version of the cross-platform integrated development environment, which is a feature-rich JAVA heap dump file analysis tool that can help you to discover and reduce memory vulnerabilities. This article mainly describes how to install co

OverviewFor large JAVA applications, fine testing is also hard to block all vulnerabilities, even though we have done a lot of good work during the testing phase, many problems are exposed in the production environment and are difficult to reproduce in a test environment. The JVM is able to record some of the operational state of the system when the problem occurs and store it in a heap dump file, providing an important basis for us to analyze and dia

Reprint Address: http://www.ibm.com/developerworks/cn/opensource/os-cn-ecl-ma/index.htmlEclipse Memory Analyzer (MAT) is one of 33 components of the famous Eclipse Galileo version of the cross-platform integrated development environment, which is a feature-rich JAVA heap dump file analysis tool that can help you to discover and reduce memory vulnerabilities. This

Introduction: Eclipse Memory Analyzer (MAT) is one of the 33 components of the Eclipse Galileo version of the famous Cross-platform integrated development environment, a feature-rich JAVA heap dump file analysis tool that can help you discover memory vulnerabilities and reduce memory dissipation Consumption. This artic

Tags: Java running term runtime dump bin sudo tuning traceDump is a dump of information on the memory of the program runtime, allowing us to see how the program is running. Dump is a very useful tool for tuning and troubleshooting.Heap DumpThe Java runtime objects are allocated to heap memory, and heap dump is a

Memory analyzer (MAT)-Java memory dump analysis tool The eclipse memory analyzer is a fast and feature-richJava heap AnalyzerThat helps you find memory leaks and reduce memory consumption. Use the memory analyzer to analyze productive heap dumps with hundreds of millions o

created [78233961 bytes in 1.995 secs] Exception in thread "Main" Java. Lang. outofmemoryerror: Java heap Space Java_pid3600.hprof is both heap dump and can be found in the project root directory where the oomheaptest class is located. Mat Installation In two cases, You have to install mat with heap dump. You can choose the appropriate installation method at

org.rosenjiang.test;Import Java.util.Date;Import Java.util.HashMap;Import Java.util.Map;Import Org.rosenjiang.bo.Pilot;public class Oomheaptest {public static void Main (string[] args) {Oom ();}private static void Oom () {mapobject[] array = new object[1000000];for (int i=0; iString d = new Date (). toString ();Pilot P = new Pilot (d, I);Map.put (i+ "Rosen Jiang", p);Array[i]=p;}}}Yes, a lot of pilot class instances are constructed, and placed in arrays and maps. Because STRONGREF,GC naturally

Eclipse memory Analyze is a Java heap dump file analysis tool that can help you to identify and reduce memory vulnerabilities.OverviewFor large JAVA applications, fine testing is also hard to block all vulnerabilities, even though we have done a lot of good work during the testing phase, many problems are exposed in the production environment and are difficult to reproduce in a test environment. The JVM is

JVM captures the memory state at the time when a memory leak occurs, which is the heap dump file we want.If you don't want to wait for a crash error to get a heap dump file, you can also get the heap dump file on demand by setting the following JVM parameter.-xx:+heapdumponctrlbreakIn addition, there are a lot of tools, such as Jmap,jconsole, that can help us ge

Original: http://blog.csdn.net/rachel_luo/article/details/8990202 Preface In the ordinary course of work, sometimes encounter outofmemoryerror, we know that encountered error generally indicates that the program has a serious problem, may be catastrophic. So it is very important to find out what causes outofmemoryerror. Now we introduce the Eclipse Memory Analyzer tool (MAT) to resolve the challenges we fa

Ext.: http://tivan.iteye.com/blog/1487855ObjectiveIn the usual development, testing process, or even production environment, sometimes encountered Outofmemoryerror,java heap overflow, which indicates that the program has serious problems. We need to find the cause of outofmemoryerror. There are generally two situations:1, memory leaks, the object is dead, can not be automatically recycled through the garbage collector, by finding out the location of the code and the cause of the leak, to determi

One, install Eclipse Memory AnalyzerFind the address of the update site at Memory Analyzer's website:Then: In the Eclipse interface--->help--->install New software--->add--->add reposity, and in location enter: Update Site address, you can install.Two, raw piles dump fileThis generates a heap dump file using the Jmap c

sum of the memory that the object can be recycled to after it has been GC. For a better understanding of retained size, consider an example.The objects in memory are treated as nodes in, and objects and objects are referenced to each other. Here's a special node GC Roots, Positive solution! This is the beginning of reference chain. Starting with obj1, the middle blue node represents only objects that can be accessed directly or indirectly through OBJ1. Because it can be accessed through GC root

, the retained size is the sum of the memory that the object can be recycled to after it has been GC. For a better understanding of retained size, consider an example.The objects in memory are treated as nodes in, and objects and objects are referenced to each other. Here's a special node GC Roots, Positive solution! This is the beginning of reference chain.Starting with obj1, the middle blue node represents only objects that can be accessed directly or indirectly through OBJ1. Because it can be

Original: http://tivan.iteye.com/blog/1487855ObjectiveIn the usual development, testing process, or even production environment, sometimes encountered Outofmemoryerror,java heap overflow, which indicates that the program has serious problems. We need to find the cause of outofmemoryerror. There are generally two situations:1, memory leaks, the object is dead, can not be automatically recycled through the garbage collector, by finding out the location of the code and the cause of the leak, to det

ObjectiveIn the usual development, testing process, or even production environment, sometimes encountered Outofmemoryerror,java heap overflow, which indicates that the program has serious problems. We need to find the cause of outofmemoryerror. There are generally two situations:1, memory leaks, the object is dead, can not be automatically recycled through the garbage collector, by finding out the location of the code and the cause of the leak, to determine the solution;2, memory overflow, in-me

program, the following information will appearAt this point, you can find the corresponding file in the project's root directory, then we can use the Mat tool dump out of the heap dump snapshot for analysis.3. Conduct analysis1. Open a heap dump snapshot directly via OpenFile2. Refer to the following link for specific analysis:http://www.ibm.com/developerworks/c

Transferred from Http://www.cnblogs.com/nb44c/p/5218880.html Looking deep into the JVM virtual machine book (p50,2.4 combat OutOfMemoryError), there is an example of a Java heap overflow, using the Eclipse Memory Analyzer plug-in, because it is now using MyEclipse, So you need to add plug-ins on the MyEclipse. The concrete steps are as follows: 1. Install the mat plugin first Memory