[Bug 229816] Are the kern.ipc.shm* values suggested in the video playback performance tips still relevant?

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229816

            Bug ID: 229816
           Summary: Are the kern.ipc.shm* values suggested in the video
                    playback performance tips still relevant?
           Product: Documentation
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Documentation
          Assignee: doc at FreeBSD.org
          Reporter: 0mp at FreeBSD.org

The Video Playback article [1] suggests to increase kern.ipc.shmmax
kern.ipc.shmall to the following values:

    kern.ipc.shmmax=67108864 
    kern.ipc.shmall=32768

Are those values still relevant? I mean, those values probably vary from
machine to machine. 

Maybe instead of suggesting some arbitrary values we should encourage to
increase those values and point to further documentation describing how to
choose a good value. 

[1]: https://www.freebsd.org/doc/handbook/video-playback.html

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