Map_shared and RSS/SHR(jack.culhane.ie)
jack.culhane.ie
Map_shared and RSS/SHR
https://jack.culhane.ie/posts/mmap_shr_memory/
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Recently our team at Databento was debugging a memory leak on an experimental debugging branch. For context, this is on a Rust application that distributes billions of market data messages per day and we're using shared memory/mmap queues for interprocess communication. It turned out to be a false alarm due to adding tokio-console to a component.