JDK Publications

Elastic JVM with Automatic Vertical Memory Scaling

Elastic JVM with Automatic Vertical Memory Scaling

| December 19, 2018 | DevOps PaaS, Installer | , , , , ,

Nowadays, JVM-based applications can benefit from elasticity and density of container technology. However, there are still some issues that prevent unleashing the full potential of Java and containers “marriage.” Releasing unused but committed Heap memory by the major JVM implementations based on OpenJDK, in most cases, is not performed automatically, or requires specific knowledge to…

Which Java thread consumes my CPU?

| September 11, 2012 | Uncategorized | , , , , ,

What do you do when your Java application consumes 100% of the CPU? Turns out you can easily find the problematic thread(s) using built-in UNIX and JDK tools. No profilers or agents required. For the purpose of testing we’ll use this simple program: [code language=”java”] public class Main { public static void main(String[] args) {…

Remote Monitoring with JMX Tools in Jelastic, Part II: VisualVM

| July 19, 2012 | DevOps PaaS | , , , , , , , , , , , , , , , , , ,

We have already shown you how to use JMX tools in Jelastic through JConsole. Here’s one more instruction for VisualVM tool, which integrates several commandline JDK tools and lightweight profiling capabilities. It enhances the capability of monitoring and performance analysis for the Java SE platform. This great tool is commonly used by application developers for…

Running Solr with Jetty on Jelastic

| May 30, 2012 | Uncategorized | , , , , , , , , , , ,

Solr is the blazing fast open source enterprise search platform, which powers the search and navigation features of the world’s largest internet sites. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document handling, and geospatial search. Here’s a detailed instruction on how to deploy Apache Solr into…

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