The Case for a High-Level Kernel-Bypass I/O Abstraction

Re:The Case for a High-Level Kernel-Bypass I/O Abstraction by truth_seeker on Thursday May 23, 2019 @05:25AM (#19989985)

> we found that 30% of the cost of the Linux kernel comes from its interface. This overhead is just too much to carry around while using kernel-bypass devices.

One third of the cost is actually expensive !

Also, ScyllaDB NoSQL database(C++ clone of Cassandra) uses Seastar framework to achieve high IO throughput.

http://seastar.io/networking/

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Re:The Case for a High-Level Kernel-Bypass I/O Abstraction by iyzhang on Thursday May 23, 2019 @06:49AM (#19990456)

I've updated the blog post with our experimental results from the Redis benchmark. Here is a link to the graph: http://irenezhang.net/img/demikernel-redis-exp.jpg

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