Read up on Double Checked Locking Pattern at the following locations:
Wikipedia entry
Read up on Concurrency Patterns at:
Concurrency Patterns
Pointers to stack traces:
An Introduction to Stack Traces
Analyzing Stack Traces
Tracing Thread Activity Using Stack Dumps
Debugging Thread Related Hangs in the JVM
HPROF Agent
Tuning the JVM:
Tuning the JVM
TurboCharge Java HotSpot VM
Profiling Architecture
JVM Hotspot Options (look for stacksize settings):
JVM Hotspot Options
MacOSX JVM Options
TO checkout the options,
To see a listing of the interpreter's "non-standard" commandline arguments type the following statement at a commandline prompt:
java -X
The results of the "java -X" statement are therefore as follows:
-Xmixedmixed mode execution (default)
-Xint interpreted mode execution only
-Xbootclasspath:
set search path for bootstrap classes and resources
-Xbootclasspath/a:
append to end of bootstrap class path
-Xbootclasspath/p:
prepend in front of bootstrap class path
-Xnoclassgc disable class garbage collection
-Xincgc enable incremental garbage collection
-Xloggc:log GC status to a file with time stamps
-Xbatch disable background compilation
-Xmsset initial Java heap size
-Xmxset maximum Java heap size
-Xssset java thread stack size
-Xprof output cpu profiling data
-Xrunhprof[:help]|[:
Andy Oliver's GC Tuning EMail
Difference between Green and Native Threads
Java and Solaris Threading
Objects and Thread Seminar
Specifying the stack size per thread:
Non-standard way is to provide it as a command line option.
The other way is via the constructor introduced in JDK5.0
Thread Ctr
Annoyance with Socket Timeouts:
Socket Time Outs in Java
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