Troubleshooting OutOfMemoryError - Heap dump, Eclipse MAT

Learn how to troubleshoot OutOfMemoryError using the Eclipse MAT tool. You will learn best practices, cool tips & tricks to debug memory problems effectively. If you liked this video, you'll love our Java Performance Masterclass. Learn more: https://ycrash.io/java-performance-training - - - - - - - - - - - - - - - Topics covered in the video: 0:22 - Memory leak Demo code from Opensource BuggyApp 3:33 - Object Hierarchy 4:45 - Application suffered from OutOfMemoryError 5:00 - How we can diagnose OutOfMemoryError 6:00 - How you can capture heap dumps? 9:25 - Eclipse MAT Titbits 15:36 - What is Shallow heap and Retained heap? 24:28 - Elements sitting with MapManager 27:34 - Who is creating MapManager? - - - - - - - - - - - - - - - Links shared in the video: Buggy App: https://buggyapp.ycrash.io HOW TO CAPTURE JAVA HEAP DUMPS? – 7 OPTIONS: https://blog.heaphero.io/2017/10/13/how-to-capture-java-heap-dumps-7-options/ Eclipse MAT – Titbits: https://blog.ycrash.io/2021/03/08/eclipse-mat-tidbits/ - - - - - - - - - - - - - - - Our Tools: yCrash: https://yCrash.io/ GCeasy: https://gceasy.io/ fastThread: https://fastthread.io/ HeapHero: https://heaphero.io/ - - - - - - - - - - - - - - - SRE Community: Need help in troubleshooting your performance problems? Post here: https://answers.ycrash.io/ - - - - - - - - - - - - - - - Follow us on: LinkedIn: https://www.linkedin.com/company/ycrash Instagram: https://www.instagram.com/ycrash_rca/ Facebook: https://www.facebook.com/tier1app Twitter: https://twitter.com/tier1app - - - - - - - - - - - - - - - Related videos: Shallow Heap vs Retained Heap: https://youtu.be/Ns4Du2Qh91Y - - - - - - - - - - - - - - - #EclipseMAT | #MemoryAnalyzer | #stand-alone | #jvm | #java | #troubleshooting | #performance | #eclipse | #heap | #outofmemoryerror | #outofmemoryerrorineclipse | #eclipsesoftware | #eclipsemat | #eclipseheapmemory | #howtoincreaseeclipsememory | #heapdumpanalysiseclipse | #howtoincreaseeclipseheapmemorysizedemo | #javaheapspacememoryleakinendurancetest | #javaprofilingineclipse | #javaprofilereclipse | #howtousevisualvmineclipse | #fixingsloweclipse