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Wow 34 MB of Rss with jemalloc vs 5MB in system malloc, is that correct?

@federicomena I think I found the problem. I'm using the futures_cpupool, when I removed the cpupool the memory decreases to 6MB.

That CpuPool is using about 21 MB just with this line:

let pool = CpuPool::new_num_cpus();

@erich probably the per-thread stacks. What does pmap say?

Erich @erich

@federicomena Yes!, that seems to be reason. I don't understand jemalloc (yet) but seems to be using more Rss than the system allocator. Ths is the comparison of the CpuPool with size 4, at the left is jemalloc.

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