[systemd-devel] [ANNOUNCE] jio is an experimental systemd-journald journal file tool utilizing io_uring

Lennart Poettering lennart at poettering.net
Thu Nov 26 18:58:38 UTC 2020


On Mi, 25.11.20 19:02, Vito Caputo (vcaputo at pengaru.com) wrote:

> Hello systemd-devel,
>
> Recent discussion here about journal space consumption happened to
> occur while I was exploring use of the new io_uring linux kernel
> interface in combination with journal files.

I'd be really curious if a iouring based reader could outperform the
mmap based ones. I have the suspicion that yes, since paging in stuff
is slow, and doesn't really allow for reordering.

Lennart

--
Lennart Poettering, Berlin


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