This New Linux Patch Can Speed Up Reading Requests The Backend Engineering Show With Hussein Nasser podcast

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This new Linux patch can speed up Reading Requests

6M ago 18:12

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Indhold leveret af Hussein Nasser. Alt podcastindhold inklusive episoder, grafik og podcastbeskrivelser uploades og leveres direkte af Hussein Nasser eller deres podcastplatformspartner. Hvis du mener, at nogen bruger dit ophavsretligt beskyttede værk uden din tilladelse, kan du følge processen beskrevet her https://da.player.fm/legal.

Fundamentals of Operating Systems Course https://oscourse.win 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. https://lore.kernel.org/io-uring/ZwW7_cRr_UpbEC-X@LQ3V64L9R2/T/ 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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528 episoder

#Hussein Nasser #Engineering #Business #Industries #Open Source #Programming #Tech #Software Development

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This new Linux patch can speed up Reading Requests

The Backend Engineering Show with Hussein Nasser

242 subscribers

published 6M ago

Del

M4A•Episode hjem

Indhold leveret af Hussein Nasser. Alt podcastindhold inklusive episoder, grafik og podcastbeskrivelser uploades og leveres direkte af Hussein Nasser eller deres podcastplatformspartner. Hvis du mener, at nogen bruger dit ophavsretligt beskyttede værk uden din tilladelse, kan du følge processen beskrevet her https://da.player.fm/legal.

Fundamentals of Operating Systems Course https://oscourse.win 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. https://lore.kernel.org/io-uring/ZwW7_cRr_UpbEC-X@LQ3V64L9R2/T/ 0:00 Intro 1:30 patch summary 7:00 Normal Connection Read (Kernel Copy) 12:40 Zero copy Read 15:30 Performance

… continue reading

528 episoder

#Hussein Nasser #Engineering #Business #Industries #Open Source #Programming #Tech #Software Development

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