In message <20040430.075448.70646001.imp_at_bsdimp.com>, "M. Warner Losh" writes: >In message: <6695.1083331489_at_critter.freebsd.dk> > "Poul-Henning Kamp" <phk_at_phk.freebsd.dk> writes: >: In message <20040430.070341.26991317.imp_at_bsdimp.com>, "M. Warner Losh" writes: >: >In message: <5473.1083327210_at_critter.freebsd.dk> >: > "Poul-Henning Kamp" <phk_at_phk.freebsd.dk> writes: >: >: >Should I mount /var/chroot/dev as type devfs? >: >: >: >: Yes: >: >: >: >: mount -t devfs randomargument /var/chroot/dev >: > >: >What if I have hundreds of these chroots? We build our product inside >: >a chroot right now and I'm worried what the overhead of >: >mounting/unmounting this for every build would be... >: >: As far as I recall, our mountlist handling is not optimised for >: hundreds of simultaneous mountpoints: we basically walk the list. >: That said, I belive we only do so during the actual mount/unmount >: operations, so I do not think there is a performance issue as such. > >Would the performance issues be mitigated by mounting/unmounting devfs >all the time? Eg, only mount it while it is actively being used? I think you would actually make it worse that way... -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Fri Apr 30 2004 - 05:02:17 UTC
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