Home » Tag Archives: Monitoring

Tag Archives: Monitoring

Application Performance Management solutions for the modern software-defined businesses

devops-logo

In our previous article, we discussed the basics of Application Performance Management (APM) and how it can be used to lift you monitoring infrastructure to the next level. Organizations of all sizes have struggled to deploy monitoring and analytics solutions that can keep up with the rapid pace of change and fundamental architectural shifts in their application stack. On top ...

Read More »

Level up your Monitoring with Application Performance Management

devops-logo

Getting started with APM Application Performance Management, or APM, is the monitoring and management of the availability and performance of software applications. Different people can interpret this definition differently so this article attempts to qualify what APM is, what it includes, and why it is important to your business. If you are going to take control of the performance of ...

Read More »

Dealing With Slow Resource Leaks

java-monitor-logo

Finding resource leaks using Java-monitor Finding slow resource leaks is key to keeping your application servers up and running for very long times. Here I explain how I use Java-monitor to spot slow resource leaks and how to verify that they are actual leaks and not just extra pre-allocation into some HTTP connector or database pool. If you follow these ...

Read More »

IBM AIX: Java process size monitoring

java-logo

This article will provide you with a quick reference guide on how to calculate the Java process size memory footprint for Java VM processes running on IBM AIX 5.3+ OS. This is a complementary post to my original article on this subject: how to monitor the Java native memory on AIX. I highly recommend this read to any individual involved ...

Read More »

Health Checks, Run-time Asserts and Monkey Armies

devops-logo

After going live, we started building health checks into the system – run-time checks on operational dependencies and status to ensure that the system is setup and running correctly. Over time we have continued to add more run-time checks and tests as we have run into problems, to help make sure that these problems don’t happen again. This is more ...

Read More »

VisualVM: Monitoring Remote JVM Over SSH (JMX Or Not)

java-interview-questions-answers

VisualVM is a great tool for monitoring JVM (5.0+) regarding memory usage, threads, GC, MBeans etc. Let’s see how to use it over SSH to monitor (or even profile, using its sampler) a remote JVM either with JMX or without it. This post is based on Sun JVM 1.6 running on Ubuntu 10 and VisualVM 1.3.3. 1. Communication: JStatD vs. ...

Read More »

Monitoring Sucks. But Monitoring as Testing Sucks a Lot More

devops-logo

At Devopsdays I listened to a lot of smart people saying smart things. And to some people saying things that sounded smart, but really weren’t. It was especially confusing when you heard both of these kinds of things from the same person. Like at Noah Sussman’s presentation on how rapid release cycles alter QA and testing, based on the work ...

Read More »

Introduction to BTrace for Java applications

java-interview-questions-answers

The aim of this article is to learn how to dynamically trace/observe running Java applications (JDK 6+) using BTrace without changing the code and configuration params of the applications. What is BTrace? BTrace is an open source project that was started in 2007 and was originally owned by two people – A.Sundararajan and K. Balasubramanian. It gained fame thanks to ...

Read More »

Monitoring : Making sense of the buzz word jungle

devops-logo

Nowadays we are constantly reminded of the virtues of being proactive or more colloquially put “Being one step ahead of the game” when it comes to handling our businesses whether it be a SME or a multi-national cooperation. Quickly detecting or in some cases even predicting, trends in activities originating within and outside the organization and streamlining business activities accordingly ...

Read More »

Monitoring OpenJDK from the CLI

java-logo

Currently I do quite a bit of work in and around the Java virtual machine (JVM), most of the time on Linux. When things go awry and I am trying to establish why, I reach for the Java performance analysis tools. These tools come in two forms, the wonderful GUI known as visualvm, which I use when I am working ...

Read More »
Want to take your Java Skills to the next level?
Grab our programming books for FREE!
  • Save time by leveraging our field-tested solutions to common problems.
  • The books cover a wide range of topics, from JPA and JUnit, to JMeter and Android.
  • Each book comes as a standalone guide (with source code provided), so that you use it as reference.
Last Step ...

Where should we send the free eBooks?

Good Work!
To download the books, please verify your email address by following the instructions found on the email we just sent you.