java Programming Glossary: ramJava NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness then to the destination...by passing any circuit through RAM or the CPU. The web app I spent my days and night working on..
Java maximum memory on Windows XP http://stackoverflow.com/questions/171205/java-maximum-memory-on-windows-xp 1400 and another only 1200 Edit The machine has 4GB of RAM with about 3.5GB that Windows can recognize. java windows memory.. what others have suggested while it will chew up more RAM you will have much more contiguous virtual address space and..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android less clear. Thus if you were to take all of the physical RAM actually mapped in to each process and add up all of the processes.. end up with a number much greater than the actual total RAM. The Pss number is a metric the kernel computes that takes into.. takes into account memory sharing basically each page of RAM in a process is scaled by a ratio of the number of other processes..
What is the memory consumption of an object in Java? http://stackoverflow.com/questions/258120/what-is-the-memory-consumption-of-an-object-in-java the hardware and OS have multilayer caches on chip cache SRAM cache DRAM cache ordinary RAM working set and backing store.. and OS have multilayer caches on chip cache SRAM cache DRAM cache ordinary RAM working set and backing store on disk. Your.. caches on chip cache SRAM cache DRAM cache ordinary RAM working set and backing store on disk. Your data may be duplicated..
How to create a Java String from the contents of a file? http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file specs. Nowadays this threshold might be many gigabytes of RAM. Character encoding One thing that is missing from the sample..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap to java but that would require figuring out available RAM and writing some launching program or script. Besides increasing..
Tracking down a memory leak / garbage-collection issue in Java. http://stackoverflow.com/questions/1071631/tracking-down-a-memory-leak-garbage-collection-issue-in-java this behavior or any examples of _which_ tuning parameters to use in a situation like this. I have also unsuccessfully.. understand unclaimed references but I mean at the library framework level or something more inherenet in data structures like.. that jhat could not anaylze it even on a box with 16gb of ram. Fortunately MAT was able to produce some nice looking graphs..
Detect CPU Speed/Memory/Internet Speed using Java? http://stackoverflow.com/questions/1297870/detect-cpu-speed-memory-internet-speed-using-java the web would also be awesome. java memory networking cpu ram share improve this question This really depends on your..
Java Runtime.maxMemory incorrect? http://stackoverflow.com/questions/1463868/java-runtime-maxmemory-incorrect 4296 S 0.3 60.9 0 33.35 java Doesn't that show 156M of ram used Any ideas what is going on java performance optimization..
http://stackoverflow.com/questions/1565388/increase-heap-size-in-java I am working on a Windows 2003 server 64 bit with 8 GB ram. How can I increase the heap memory maximum I am using the Xmx1500m.. have posted use the cmd line flags e.g. java Xmx6g myprogram You can get a full list or a nearly full list anyway by typing..
eclipse with Android sdk, ERROR: Java heap space http://stackoverflow.com/questions/16741680/eclipse-with-android-sdk-error-java-heap-space me the same error I'm working in a MacBook air with 4gb ram. I have Eclipse SDK Version 3.7.2 Build id M20120208 0800 and..
Recommendations for a heap analysis tool for Java? [closed] http://stackoverflow.com/questions/2064427/recommendations-for-a-heap-analysis-tool-for-java grined to a halt. And it only needed 1 2 gigs of JVM ram to do so. Cons Of course... it's not free share improve this..
Trie vs. suffix tree vs. suffix array http://stackoverflow.com/questions/2487576/trie-vs-suffix-tree-vs-suffix-array the operations speed boost compensate the data structures ram space cost. This said the suffix tree has very interesting search..
How can I disable Java garbage collector? http://stackoverflow.com/questions/2927396/how-can-i-disable-java-garbage-collector when the JVM runs out of space so you could give the program more memory. Add these command line options to the Java command.. to the Java command Xmx256M Xms256M This gives the program 256Mb of ram the default is 64Mb . Garbage collection will not.. command Xmx256M Xms256M This gives the program 256Mb of ram the default is 64Mb . Garbage collection will not take 3 seconds..
Java webstart max-heap-size causes JVM cannot be started http://stackoverflow.com/questions/3285915/java-webstart-max-heap-size-causes-jvm-cannot-be-started to 1024m can cause the same problem on a machine with 2G ram. Basically what I am looking for here is some reference spec..
Can the JVM max heap size be dynamic? http://stackoverflow.com/questions/3472593/can-the-jvm-max-heap-size-be-dynamic First the app in question can use a really wide range of ram depending on what the user is doing so the conceptual min and..
How to do I check CPU and Memory Usage in Java? http://stackoverflow.com/questions/74674/how-to-do-i-check-cpu-and-memory-usage-in-java know how it could be done java operating system cpu ram share improve this question This question has some good..
http://stackoverflow.com/questions/9303889/error-occurred-during-initialization-of-vm-could-not-reserve-enough-space-for heap using Xmx3G First of all I have a box with 8gb of ram so I doubt total memory is the issue. This application is running..
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