Tags » JConsole

Heap Dump Generation

Java memory model consists of Heap memory, Thread stacks, Perm gen area.
Heap is memory area which is used for allocating memory for class instances and arrays are created. 412 more words


JConsole Connection Failed

It is very annoying when you see JConsole failed to attach to a runtime with simply tells you “The connection to pid did not succeed. Would you like to try again?”. 112 more words

Tool And Debug

Using Java Management Extensions (JMX) for Weblogic Monitoring

Login to Admin Console and,

Enable following two under Weblogic domain > Advanced options

Platform MBean Server Enabled

– Specifies whether each server instance initializes the JDK’s platform MBean server… 177 more words

Knowledge Share

Memory Analysis - How to obtain Java Heap Dump?

In this article we will see how to obtain the Java Heap Dump to troubleshoot the memory issues like memory leak and high usage of memory. 332 more words


Scala - Function vs Procedural quick sort performance comparison

Scala is becoming dominant in many scalable, distributed framework \ toolset. Kafka, Spark, Akka are developed in Scala. I recently had to used both Kafka and Spark, and understanding Scala make it easy to debug the framework code. 271 more words


Spring JMX: Manage beans in runtime

JMX (Java Management Extensions) allows to change the bean field values or invoke bean methods on the fly at runtime. It is in opposite to DI where you configure application when it starts, using profiles or classpath. 499 more words