![]() However, during a stress test, when all CPUs on the server approach 100% utilization, the dependent services and databases did not run into a bottleneck. Usually, requests to the server are normal. Scenario 1: Locating the Performance Bottleneck During a Stress Test In the following sections, I will list several scenarios that I came across recently. You want a solution to monitor the real-time running status of your JVM.įor more information about the commands and features of Arthas, see its Official Documentation.You are wondering whether you have to add logs to your app and publish it again. A problem occurs and you cannot debug online.You are not sure if you are using the right branch. You cannot remember whether you have committed the changes. You are not sure why the execution of your modified code failed.You want to figure out why your system throws various class-related exceptions. You do not know the specific JAR package from which a class was loaded. ![]() It takes a long time to run an app and you are not sure which part is time-consuming.You want to figure out whether there is any deadlock or blocking in multiple threads that are running simultaneously.You are wondering what occupies the CPU whenever the CPU usage rises.You want a global view for monitoring the running status of your system.Arthas has a quick and relevant resolution to all your worries ![]() Thanks to its powerful and comprehensive features, Arthas can do more than you can imagine. Instead of direct downloading, I recommend developers to use Arthas in Cloud Toolkit, which is an integrated development environment (IDE) plug-in, to implement one-click remote diagnostics. ![]() Arthas is a Java diagnostics tool, which is used by 99% of Alibaba developers, has earned 20,000 stars on GitHub since it became open-source more than a year ago. It also provides the comprehensive Tab auto-completion feature to further facilitate problem locating and diagnostics. What Is Arthas?Īrthas is an open-source online diagnostics tool that uses command-line interaction mode and supports Web-based diagnostics. Are you still using the tedious traditional approach to examine each line of code for unearthing errors?įret not! As the saying goes, "Arthas keeps you from worrying about troubleshooting." Let's talk about Arthas, the magical Java diagnostics tool. ![]()
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