This is a master sheet with most of the JVM arguments: JVM ArgumentDescription-XbatchDisables background compilation so that compilation of all methods proceeds as a foreground task until completed. To learn more click here.-Xbootclasspath:<paths>Specifies a list of directories, JAR files, and ZIP archives separated by colons (:) in Unix and semicolons (;) in Windows to search for... Continue Reading →
Java Semaphore – easy introduction
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Java Thread Local – easy introduction
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Advantages of Java Virtual Threads
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APIs to create Java Virtual Thread
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Java Virtual Threads – quick introduction
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Oracle Architect optimizes performance using GCeasy
Prabhakar Jonnalagadda is the performance architect in Oracle. He was presented with a performance problem of an application which had following symptoms: + Frequent unavailability of the application (crash issues) + Significant degraded performance in repeated spells In this post he talks about how he solved this application's performance problems. He basically analyzes the GC... Continue Reading →
This Is Garbage Talk. Don’t Attend! – ADDO Conference 2022
ADDO conference is one of the largest online communities of DevOps professionals in the world. Every year they give the opportunity to learn from one another on a massive scale. In this 2022 year’s conference, our architect Ram Lakshmanan was invited to talk on the topic: “This Is Garbage Talk. Don’t Attend!”. In his speech,... Continue Reading →
Simulating & troubleshooting Deadlock in Scala
All multi-threaded applications are prone to Deadlock. Modern Scala platform is no exception. In this series of simulating and troubleshooting performance problems in Scala, let’s discuss how to simulate a Deadlock in Scala and how you can troubleshoot it. What is Deadlock? First let's try to understand what 'Deadlock' means. Several technical definitions aren’t clear.... Continue Reading →
Simulating & troubleshooting CPU spike in Scala
In this series of simulating and troubleshooting performance problems in Scala articles, let’s discuss how to simulate CPU consumption to spike up to 100% on a host (or container) and troubleshoot it. Scala sample program CPU consumption will spike up whenever a thread goes on an infinite loop. Here is a sample Scala program, which... Continue Reading →
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