How to get just free heap size (not together w stack/method mem) in Java?
I want to calculate the heap usage for my app. I would like to get a procent value of Heap size only.
How do I get the value in code for the current running app?
There was an upvoted answer that was NOT complete/correct. The values returned by those methods include stack and method area too, and I need to monitor only heap size.
With that code I got HeapError exception when I reached 43%, so I can't use those methods to monitor just heap
I am getting this error: Exception in thread main java.lang.OutOfMemoryError: Java heap space at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:1585) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:
I use java visual VM to monitor my heap and i see that the heap dump is showing bad signs I think that this is why I am running out of memory, How to limit the size (orange area) ?
This question already has an answer here: Obtaining memory available to JVM at runtime 4 answers I am trying to output the memory allocated to a java application during the run time of the appl
I want to allocate around 1GB of heap size, but I can't seem to figure it out. How to do this?
I have noticed that on a 2.6.32 MIPS kernel the memory layout is always the same. That is a program has the heap starting at 0x10146000 for most of the processes(or at least those that I looked into).
How to get the Ram size and Hard disk size of the PC using Java? And Is it possible to get the currently logged user name on PC through java?
In Microsoft Visual C++, I needed more stack space. So I went into the linker properties and raised it. But then I noticed another property: Heap Reserve Size (Linker Option: /HEAP) with the Note:
I have reviewed the answer to how to get the min and max heap size settings of a JVM from within a Java program which was helpful, but the accepted answer doesn't appear to answer half of the question
Some say I need to do that in Run Configurations for my application. When I open that window, could you please tell me how to set the right argument and the amount of memory? Say how to set 2GB or 1.5
As part of my Java mapper I have a command executes some code on the local node and copies a local output file to the hadoop fs. Unfortunately I'm getting the following output: Error occurred during
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In java it's simply: Runtime.getRuntime().freeMemory() How to do it in C?
I am getting the following error on execution of a multi-threading program java.lang.OutOfMemoryError: Java heap space The above error occured in one of the threads. Upto my knowledge, Heap space is
I'd like to be able to get the size of the heap as a variable. I don't need to change the size, just know what it is and have it in a variable. Thanks!
I have an application to upload files. Every time I try to upload a file bigger than few mb (just 1 or 2) i get this error. This happen only when I try to upload file on the server that hosts my site.
I'm not familiar with how the Linux heap is allocated. I'm calling malloc()/free() many many times a second, always with the same sizes (there are about 10 structs, each fixed size). Aside from init t
Anyone knows what is the initialTomcat5.5 heap size?
According to the following document http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#par_gc.ergonomics.default_size the default maximum heap size for Parallel GC is chosen using f
I have my application hosted in tomcat 6.0 of liferay 5.2.3 . I have allocated heap size as --JvmMx 512 and permgen -XX:MaxPermSize=512m. But i am confused about how to determine the exact heap and pe
I have read various posts in stackoverflow and I am trying to figure out how to increase my heap size for my JVM. I know that the command -vmargs -Xms256m -Xmx4096m will increase the heap size. But it
This question already has an answer here: How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) 14 answers I have to serialize around a million items and I get t
I have a complicated model - to convoluted to post here - and I am trying to debug some strange behavior. I occasionally get free / heap corruption errors at the end of the model run when it is deallo
My Jenkins build is running out of memory because of JUnits. When I try to give it (the JUnits) more than 4GB it errors out. I am using Linux as my build machine. Invalid maximum heap size: -Xmx4096m
According to documentation one could automatically take a heap dump when the application encounters an OutOfMemoryException. After OutOfMemoryException process just disappear from left menu. How does
I have a object HEAP dump available with me taken through Jmap.I have also seen the dump through Jhat but i need to calculate the size of the object.How do i do it. In dump i can see : For Example Cla
I am using Galaxy Nexus(i9250) for development and testing. I noticed strange fact- sometimes when the total heap size is 64mb and allocated heap size is in and around 56-60mb, app crashes. But someti
Is there a way to obtain the remaining free stack / heap memory in C# using only managed code? To be specific, I do not mean the memory that is still available in the currently allocated state but al
I am reading a single XML file of size- 2.6GB-- the size of JVM is 6GB. However I am still getting a Heap Space out of memory error? What am I doing wrong here... For reference, I output the max memor
I am running JVM in a ubuntu ec2 instance which runs only solr and nothing else. Now I wanna configure the Heap size of the JVM which is running. The problem is I am not using Sun Jdk I am using the f
I have a small java test class with only one member variable.. and that variable is a String. I have an ArrayList into which I add a lot of objects of this class. I see that the heap used is ~6 times
I want to store polymorphic objects with variable size that derive from the Base class on the free store. I also want to store a bool value in the same memory block, right before the memory reserved
Is it possible to get Java heap dumps when the Linux Core dumps itself is disabled? Thanks Dhanush
I have a problem with error saying ERROR: 'Java heap space'. I followed these instructions to increase the heap size for Eclipse, but it doesn't work. Eclipse seems to be ignoring the given values. My
When i run the command below: 127.0.0.1:8080/solr/suggest?spellcheck.build=true I got an exception as below, anyone knows how to increase heap size in tomcat or solr? Apache Tomcat/7.0.27 - Error repo
I get this message during build of my project java.lang.OutOfMemoryError: Java heap space How do I increase heap space, I've got 8Gb or RAM its impossible that maven consumed that much, I found thi
I have Java 6 web application(*.war) running on Jetty 8. In application I am caching(with EHCache) some data, but I need to increase max heap size because 1g is not enough. I need min 2g and max 4g.
How can we poll the heap size (both native and managed) periodically on Android, so that we can draw a scatter plot of x:HeapSize-y:GCIteration? I've been considering two approaches: 1 Hack the DDMS c
We have used the eclipse memory analyzer and it shows the following things in the heap. The heap snapshot has been attached. Could this cause a memory leak in the future? I am not able to pin point w
I have developed a barcode billing and inventory software using netbeans 6.5. I dont know why when the application runs for some time then some times it gives a JAVA Heap stack (Out of Memory) err. I
I want to get the size of a drive (or UNC path pointing to a partition would be nice, but not required), as well as free space for said drive (or UNC path). This doesn't need to work cross platform; o
While reading some notes on performance tuning, I did notice a recommendations while setting memory size: Java application should size both initial and maximum permanent generation size to the same va
Why do I get a Exception in thread AWT-EventQueue-0 java.lang.OutOfMemoryError: Java heap space because of objects[i]=rs.getObject(i+1);? There are about 10,000 records with about 4,000 characters p
I am analyzing quite a large project with Sonar. The first few runs went OK but now I get error. Something to do with timemachine and violation analyzer: java.lang.OutOfMemoryError: GC overhead limit
Using java, how do you get the amount of free space on a solaris zfs file system? I have a SunFire x4140 with built-in hdd mounted as /. It also has a connected JBOD with 7.6TB of HDD space, configure
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In android is possible get size and pressure of a touch. In iOS I know that isn't possible get pressure. But, at least the touch size, some how?
I test my program performance with JMH. And fail to configure heap size. I wondering why it doesn't work. Questions: Why JMH doesn't accept heap size configs? Does JMH absorb idea heap size settings
I'm trying to extend an implementation of a lock-free queue in Java according to this posting. For my implemenation I am restricted in using only atomic variables/references. The addition is that my q
When i export content in doc format then i get java heap space error, java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Unknown Source) at java.io.ByteArrayOutputStream.write(Unk
I am runnning java application in IE but its very slow because of less heap size. How can I increase heap size for IE alone so that appliaction would run in IE fastly ? Is there any environmental vari