Julia GC, heap fragmentation, out of memory, push!/append!

[Brian1]

Many poople is being hurted by this problem, I am facing the same problem.

The relationship between exsting julia objects and gc time?

I found that, with more and more large objects generated in running time, the gc time will increase massively. So I have to always pay much attention on generating objects. Is there a way I can handle this properly?

I have a computer with RAM 128G, but because of this problem, it turns out that the big RAM is useless.