This new Linux patch can speed up Reading Requests

Fundamentals of Operating Systems Course Very clever! We often call read/rcv system call to read requests from a connection, this copies data from kernel receive buffer to user space which has a cost. This new patch changes this to allow zero copy with notification. “Reading' data out of a socket instead becomes a “notification” mechanism, where the kernel tells userspace where the data is.” This kernel patch enables zero copy from the receive queue. 0:00 Intro 1:30 patch summary 7:00 Normal Connection Read (Kernel Copy) 12:40 Zero copy Read 15:30 Performance

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This new Linux patch can speed up Reading Requests is an episode from The Backend Engineering Show with Hussein Nasser by Hussein Nasser.

This episode is 00:18:12 long.

This episode was published on Oct 25, 2024.

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