Kategoria: Development

As already known, you must known your synchronization strategy, ”crossing fingers and wishing nothing bad happens” or ”synchronization problems with primitive fields don’t occur” are simply not correct answers for thread synchronization. Tobe expressed: Thread-safe state handling

In someway interesting sound project. However, not matching tools like YourKit. visualvm: Project Home Page

For some reason ”getPid()” Bug Parade entry has been hanging for ever ”in progress, won’t ever fix” state. However, after quick searching there is workaround, which hopefully works in ”major” cases (meaning Linux, M$windows and OSX). NOTE: Tested logic only in Linux box. However, since logic relies into public API, it should be working in…

Short summary: Escape analysis is not enabled by default in JDK 6, and it’s available only in server JVM Thus in order to enable Escape analysis, following parameters for java are required: [code] java -server -XX:+DoEscapeAnalysis [/code] So lets run run the test from the references… Test Program [code lang=”java”] package org.kari.test; public class LockTest…

If very large objects are being transferred over RMI layer, then system must do lot of work not only in serialization of the objects, but also in the transfer itself. If RMI based communication is wanted to be used across WAN environment, 100Mbit datatransfer speed is simply not available everywhere. For example, ADSL subscription lines…

Profiling of the applications launched via webstart may sound difficult, but in reality it isn’t. What you need is to have approriate profiler/debugger native libraries in LD_LIBRARY_PATH of the system (or equivalent), and then specifying necessary arguments for webstart (from command line) For example, using YourKit with Webstart: [code] javaws -J-agentlib:yjpagent=tracing http://example.com/example.jnlp [/code] Same approach…