> What is needed is control over the buffer and cache size that > linux uses. Turning them off is probably undesirable,
Be careful when talking about size - remember the page cache contains many pages that are also being used by applications and mapped into both. That makes things subtly different and far more interesting 8) > But today, having 100 linux servers share the same read/only > disk, and all 100 cache the same disk is undesirable when > MDC could do it so well for all of them. > Even having control over which disks linux caches would be > desirable, but not currently possible (I think...) We know which device each page came from so its partially feasible
