Description If several threads in a thread dump end up working on one single method, then it might be of concern. Most of the times, if there is a problem (say poorly responding data source, un-relinquished lock, infinite looping threads... Continue Reading →
Description In thread dump analysis, one of the key parameter to watch out is: Thread Count. You need to know the application's thread count consumption under the normal scenario. This understanding will help you in following scenarios: 1. To gauge... Continue Reading →
Description It’s highly recommended to capture 3 threads dumps in an interval of 10 seconds to uncover any problem in the JVM. If in the 2nd and 3rd thread dump if additional threads start to go into a particular state, then... Continue Reading →
Description Objects that have finalize() method are treated differently during Garbage collection process than the ones which don't have them. During garbage collection phase, object with finalize() aren't immediately evicted from the memory. Instead as first step, those objects are added... Continue Reading →
Description Based on the type of GC algorithm (Serial, parallel, G1, CMS) used, default number of garbage collection threads gets created. Details on default number of threads that will be created are documented below. Sometimes too many extraneous GC threads would get created based... Continue Reading →