java memory profiler eclipse

-vmargs-xms128m-xmx512m-xx:permsize=64m-xx:maxpermsize=128mHere are a few questions:1. What are the meanings of each parameter?2. Why do some machines I set-xmx and-xx:maxpermsize to 512M after eclipse can be started, and some machines will not boot?3. Why is the above parameter written to the Eclipse.ini file eclipse does not perform the corresponding settings?Here's a reply.1. What are the meanings of eac

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

= Runtime.getruntime (). TotalMemory ()//Get the amount of memory currently used by the virtual machine By default, the Java Virtual machine maxcontrol=66650112b=63.5625m; Do not do anything in the situation, on my machine to measure the currentuse=5177344b=4.9375m; 2, set the memory size of the command -xms -xmx -xmn -xss3, the specific operation(1

;Public pilot (string a, int B ){Name =;Age = B;}} Then let's look at the oomheaptest class, how it breaks through the heap dump./** * Oomheaptest class * @ Author Rosen Jiang */ Package 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

(NOTE: For details, see "Show your eclipse JVM current memory usage" below). [-Nl] language: English en_us Simplified Chinese zh_cn [-Clean] clears the buffer when Eclipse IDE is started. In general, removing this parameter is faster without updating the plug-in. -Vmargs: Use the JRE parameter, followed by the JRE parameter: [-Xverify: None] Remove the jar packa

ObjectiveIn 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 face. If not stated, this article uses the

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 garbag

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

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 ga