lkml.org 
[lkml]   [1997]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: Sharing SCSI disks
    Date
    "David S. Miller" <davem@jenolan.rutgers.edu> ,in message <199703202353.SAA0102
    6@jenolan.caipgeneral>, wrote:

    > I brought up this with Linus once, the conversation was in reference
    > to how we thought we could do on database benchmarks etc. which is
    > essentially all over raw block devices these days. (which we both
    > agreed was entirely stupid, the kernel should be doing buffer caching,
    > not some silly Oracle disk I/O layer)

    Not necessarily. A well-designed database probably has a better idea of
    its future disk usage pattern than the kernel does. Remember, LRU is just an
    approximation (and sometimes a very poor one) to the optimal FFU.

    ---
    Bob Forsman thoth@gainesville.fl.us
    http://www.gainesville.fl.us/~thoth/

    \
     
     \ /
      Last update: 2005-03-22 13:39    [W:0.017 / U:29.692 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site