Re: [Fwd: What do people think about not installing a stripped /kernel ?]

From: M. Warner Losh (imp_at_bsdimp.com)
Date: 10/20/04

  • Next message: jamie rishaw at google mail: "Re: [Fwd: What do people think about not installing a stripped /kernel ?]" 
    Date: Wed, 20 Oct 2004 09:32:11 -0600 (MDT)
To: mitigator@gmail.com

    In message: <6ff30abd04102008163115a32d@mail.gmail.com>
                jamie rishaw at google mail <mitigator@gmail.com> writes:
    : What are the performance implications of a debug kernel?
    :
    : Disk space really shouldnt even be an issue.. if it is, and its down
    : to the difference of 20 megs, well, duno. 512 meg CF's going for
    : sub-$50 .. the only reason i could see even a debate would be any
    : significant performance hits..

    So long as it can be turned off, I don't care too much.

    However, I'm going going to take exception that it isn't a disk space
    issue or that size doesn't matter. Size does matter.

    For a 64MB CF this would be a deal killer, and that's the size of the
    parts we're using now. With our X based systems, these cards are
    starting to fill up. In addition, we sometimes deploy new kernels to
    the field and 16MB takes a lot longer to upload than 3MB (think really
    bad connectivity to many of the remote locations our systems may be
    deployed in).

    I also have several machines where / is short on disk space, and I'd
    turn it off for them. It is simply too much extra to put on there. I
    could repartition these machines, but that's a huge pita and costs way
    too much in time and down time to do. The cost here isn't in disk
    space, but the hundreds or thousands of dollars of labor and/or
    opportunity costs.

    Warner
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