Messages in this thread | | | From | thoth@purplefr ... | Subject | Re: Sharing SCSI disks | Date | Fri, 21 Mar 1997 10:33:44 EST |
| |
"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/
| |