JXRay 2.8u1 released

Posted on February 26, 2021

In this version: Detection of more anomaliesBug fixes and usability improvements

JXRay 2.8 released

Posted on January 26, 2021

In this version: Detection of new common memory problems (anomalies): in Netty, Jetty and JDKBetter detection of unfinalized objectsBug fixes and performance improvements
In Java terminology, the “live set” (LS) for a given running app means all objects that are live (that is, not garbage) at the given moment. For most apps with steady workload, objects come and go from the live set, but its size remains pretty stable (after initial warmup). In contrast, if LS keeps growing, the app most likely has a memory leak. If LS size is too close to the maximum heap size (value

JXRay 2.7 update 9 released

Posted on November 11, 2020

This version contains the following improvements and fixes: Added detection and explanation of several common problemsSeveral usability improvementsImproved performance, especially when analyzing dumps with a large number of objects

What’s wrong with big objects in Java?

Posted on October 20, 2020

Here is our most recent article explaining Humongous objects in the G1 Garbage Collector, and what’s bad about them.