Since it's out of jvm heap & gc, when does it released? Or, it remain until process termination? I already checked: how to garbage collect a direct buffer java Deallocating Direct Buffer Native Memory in Java for JOGL ByteBuffer.allocate() vs. ByteBuffer.allocateDirect() But all the answers are blur, none answered it explicitly, does there have a clear answer? At least for Java 8 on 64-bit Linux .

Java - When does direct buffer released?

Since it's out of jvm heap & gc, when does it released? Or, it remain until process termination?

I already checked:

But all the answers are blur, none answered it explicitly, does there have a clear answer? At least for Java 8 on 64-bit Linux.