- #INCREASE JAVA HEAP SIZE WEKA UBUNTU HOW TO#
- #INCREASE JAVA HEAP SIZE WEKA UBUNTU INSTALL#
- #INCREASE JAVA HEAP SIZE WEKA UBUNTU UPGRADE#
- #INCREASE JAVA HEAP SIZE WEKA UBUNTU WINDOWS#
JVM running fast with continuous memory, because the kernel architecture it's based to work like that. And now it's possible to process everything so fast.
#INCREASE JAVA HEAP SIZE WEKA UBUNTU HOW TO#
With it I was able to do something with my BOW.Īfter, I studied how to improve perform Linux to running jmv fastest. So, first of all, I studied jvm arguments tunning. I needed to process a very large BOW and, before this perform, I could not do. I researched many sites and foruns.Īctually, I'm working with a text mining process, specifically with opinion mining. But with those site, everyone can performe your jvm and Linux. Specifically, I don't do any logger to prove my theory about tunning. With the last changes, my laptop is flying.
#INCREASE JAVA HEAP SIZE WEKA UBUNTU WINDOWS#
It's the difference about windows systems. LargePages it's possible only in Linux and Unix based systems (or Windows 2003 Advanced Server, but who has this SO?). Xms2048m -Xmx2048m -Xmn1024m -Xss128k -d64 -server -XX:SurvivorRatio=8 -XX:+UseParallelGC -XX:+UseParallelOldGC - XX:+UseLargePages -XX:+AggressiveOpts -XX:ParallelGCThreads=20 It's possible running faster, but now you need do the instructions in:Īfter, your jvm arguments should changes to: Xms3078m -Xmx3078m -Xmn2048m -Xss128k -d64 -server -XX:SurvivorRatio=8 -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:+AggressiveOpts -XX:ParallelGCThreads=20 Dįirst, if you have 4GB RAM try to put this jvm arguments to starts your RapidMiner: I learned to optimize my laptop, and as a result, my laptop, literally, fly. It's no problem, in 10 to 20 minutes all k-means, EM, SVM, Trees ends. I run big dataset to text mining tasks it. I has a Sony Vaio VGN-FZ470E with with 4GB RAM. I my case, I installed Mandriva 64bits, but I recommend Fedora 64bits too over desktops or laptops. Now, windows 64bits don't has the same performance compared to linux 64bits, both with the same hardware.
#INCREASE JAVA HEAP SIZE WEKA UBUNTU INSTALL#
To use all memory with java, as you know, it's necessary use 64bits operational systems and install 64bits jvm ( ) I was reading this forum and I was interested about this issue.įirst of all, windows 32bits has no chance with big dataset and java.
#INCREASE JAVA HEAP SIZE WEKA UBUNTU UPGRADE#
The best solution is to upgrade to a 64-bit version of Windows or Linux, which doesn't have the memory limitations of 32-bit to contend with. But anything Java-based such as RapidMiner is going to have the same problem you've encountered here. I've done it with "R" statistical software), which can deal with multiple chunks of memory, and can take advantage of the /3GB to allocate a total of about 2.8GB of RAM. In other words, Windows 32-bit can't give the memory to Java the way Java needs it.
A bit of Googling explained why.īasically, Java requires heap space to be allocated in a single contiguous block of memory, but Windows 32-bit address space is fragmented, and can't allocate a single block of memory larger than about 1.5GB, even with the /3GB switch. OK, I just checked on my own system, and the /3GB switch allowed me to get a little more memory allocated to RM (about 1.4 GB), but not as much as I had thought. G 2:27:48 PM: Process failed: Java heap space G 2:27:48 PM: OutOfMemoryError occured in 1st application of W-AdaBoostM1 (W-AdaBoostM1) P 2:19:12 PM: Logging: log file is 'ada_log.log'. So is there ANY way to convince this stupid JVM to use all my RAM? The process I want to run is a Weka-Adaboost, admittedly the training-data size is quite large (more than 2000000 rows and 25 attributes) but I tried the same process with a smaller training size (500000 and 25 attributes) and it worked ok. So the maximum I always end up with is 1.4 Gig (as it says in the GUI) bat - file nor in the java console - it always tells me cannot create Virtual Memory. It doesn't help to increase the variable in the. I still received the following errors: Exception in thread "main" : Java heap spaceĪt .(ArrayList.java:132)Īt (Instances.java:196)Īt .(Instances.java:177)Īt 48.ClassifierSplitModel.split(ClassifierSplitModel.java:252)Īt 48.ClassifierTree.buildTree(ClassifierTree.java:159)Īt 48.C45PruneableClassifierTree.buildClassifier(C45PruneableClassifierTree.java:126)Īt 48.buildClassifier(J48.java:249)Īt .evaluateModel(Evaluation.java:1485)Īt (Evaluation.java:649)Īt (AbstractClassifier.java:297)Īt 48.main(J48.I have tried almost everything but I seem to be stuck with a Java maximum memory of 1.5 Gig RAM though I tried on different computers (both windows 2000 and windows xp) with 3 Gig Ram. I am trying to run a classifier in WEKA, using a J48 classifier using the following command line: $ java -Xmx2048m -cp /home/weka-3-7-9/weka.jar 48 -t input.arff -i -k -d J48-data.model &Īlthough the size of my arff is 43.8 M, and I aumented the heap space to 2048m,