feat: use mmap to alloc big chunk of memory

allegro / bigcache

Efficient cache for gigabytes of data written in Go.

http://allegro.tech/2016/03/writing-fast-cache-service-in-go.html

Apache License 2.0

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feat: use mmap to alloc big chunk of memory #396

Closed tecty closed 2 months ago

tecty commented 2 months ago

Use mmap to malloc memory, give a smaller heap memory footprint. This will remove the go memory ballast effect while using bigcache. Thus this will increase a bit on GC stop and CPU. But we have other tools like GC params or gctuner to mitigate this kind of problem.