java Programming Glossary: allocate

http://stackoverflow.com/questions/171205/java-maximum-memory-on-windows-xp

maximum memory on Windows XP I've always been able to allocate 1400 megabytes for Java SE running on 32 bit Windows XP Java.. trial and error it seems 1200 megabytes is the most I can allocate on this machine. Any ideas why one machine would allow 1400..

What is a stack overflow error?

http://stackoverflow.com/questions/214741/what-is-a-stack-overflow-error

improve this question Parameters and local variables are allocated on the stack with reference types the object lives on the heap.. heap which lives at the bottom end of your process. As you allocate memory this heap can grow towards the upper end of your address..

Why did java have the reputation of being slow? [closed]

http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow

cheap. I've seen cases where it is 20 FASTER or more to allocate a new multi kB array than to reuse a cached one. Object instantiation..

JDBC MySql Connection Pooling practices

http://stackoverflow.com/questions/2313197/jdbc-mysql-connection-pooling-practices

equal max pool size and expired max wait time. Cannot allocate more connections. RAR5114 Error allocating connection Error.. equal max pool size and expired max wait time. Cannot allocate more connections. java.sql.SQLException Error in allocating.. equal max pool size and expired max wait time. Cannot allocate more connections. at com.sun.gjc.spi.base.DataSource.getConnection..

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

of 100 objects with one attribute each How much memory is allocated for an object How much additional space is used when adding.. so long as the program gives the same answers. It might allocate some temporary Objects on the stack. It may optimize some variables..

Catching java.lang.OutOfMemoryError?

http://stackoverflow.com/questions/2679330/catching-java-lang-outofmemoryerror

if we decide to catch it the catch handler should not allocate any memory by itself. Otherwise OutOfMemoryError will be thrown.. how can we sure that catch handler doesn't allocate any memory by itself any tools or best practices java try catch.. the Error is thrown the heap contains the same amount of allocated objects as before the unsuccessful allocation and now is the..

What is the “Execute Around” idiom?

http://stackoverflow.com/questions/341971/what-is-the-execute-around-idiom

already handled with using statements mind you. Although allocate and clean up is the typical example given there are plenty of..

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

a way to make sure they are no longer referenced or to not allocate them in the first place. One option which I have used in the.. profiling and understand how your objects are getting allocated you should have a better idea about how much memory you need...

Sandbox against malicious code in a Java application

http://stackoverflow.com/questions/502218/sandbox-against-malicious-code-in-a-java-application

there's one annoying thing the isolated code can still do allocate as much memory as it can which causes the visible footprint..

Interesting uses of sun.misc.Unsafe

http://stackoverflow.com/questions/5574241/interesting-uses-of-sun-misc-unsafe

functionality of the host VM can be used to allocate uninitialized objects and then interpret the constructor invocation.. wiki Jikes_RVM Allocating memory sun.misc.Unsafe.allocateMemory eg DirectByteBuffer constructor internally calls it when.. constructor internally calls it when ByteBuffer.allocateDirect is invoked Tracing the call stack and replaying with values..

Virtual Memory Usage from Java under Linux, too much memory used

http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used

the tops application that 240 MB of virtual Memory are allocated to the application. This creates some issues with some other.. is that if I set a Heap of 128M for example still linux allocates 210 MB of Virtual Memory which is not needed ever. Edit 2 Using.. is either a file or anon which indicates a block of memory allocated via mmap . Starting from the top we have The JVM loader ie..

How do you play a long AudioClip?

http://stackoverflow.com/questions/9470148/how-do-you-play-a-long-audioclip

to use it for background music I got this error 'Failed to allocate clip data Requested buffer too large.' I am assuming this means..

Max amount of memory per java process in windows?

http://stackoverflow.com/questions/987219/max-amount-of-memory-per-java-process-in-windows

simple question What is the maximum heap size that you can allocate on 32 bit Windows for a Java process using Xmx I'm asking because.. the XMX flag also used XMS XMX to force the JVM pre allocate all of the memory . To further protect against JVM optimizations.. To further protect against JVM optimizations I've actively allocate X number of 10MB objects. I run a number of test on a number..