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Please check this, it explain difference between Java and Go garbage collectors quite nicely: https://itnext.io/go-does-not-need-a-java-style-gc-ac99b8d26c60 h

• kaba0 5y ago
  It was criticized quite heavily on the relevant hn thread. But basically, go can get away with a less advanced GC due to having and relying on value types quite often. But Java and certain workloads do require the state-of-the-art GCs that the JVM provides. And a search engine likely constitutes such a one.
• pkulak 5y ago
  Yeah... I guess. But I could write the same article about how Java doesn't need value types and extreme escape analysis because it has a generational garbage collector. 99% of garbage really does end up in the eden generation and is literally free to clean up, no different than a stack. Once you put aside all the words and see how things stack up in the real world, Go and Java are pretty comparable, usually with the JVM having a slight edge after the JIT is nice and warm. They go about it in different ways, but there's nothing wrong with that.