Spark memory overhead related question asked multiple times in SO, I went through most of them. However, after going through multiple blogs, I got confused. Below are the questions I have whether ...

I'm running Grails 2.5.0 on IntelliJ Idea Ultimate Edition 2020.2.2 . It compiles and builds the code just fine but it keeps throwing a "java.lang.OutOfMemoryError: GC overhead limit exceeded&...

I have read what-is-the-memory-consumption-of-an-object-in-java and what-is-the-memory-overhead-of-an-object-in-java. But still I am in confusion. What is memory overhead?? is it the padding? Wh...