tqchen commented on issue #11307: Memory Management URL: https://github.com/apache/incubator-mxnet/issues/11307#issuecomment-397774432 I think @yzhliu knows more details, the original design of scala was done in an implicit way by doing disposable at finalizer. The problem is that the gc of JVM is not eager, and these weak references are treated as single memory cell(without knowing the resource themselves are huge). As a result, JVM never triggers the gc function. This is essentially the same problem of using files in jvm languages, when a resource is not understandable by jvm, you have to explicitly dispose it
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