On Fri, Oct 23, 2009 at 9:58 AM, Chris Webb <chris@xxxxxxxxxxxx> wrote: > If the chunks into which the virtual drives are split are quite small (say > the 64MB used by Hadoop), LVM may be a less appropriate choice. It doesn't > support very large numbers of very small logical volumes very well. absolutely. the 'nicest' way to do it would be to use a single block device per sheep process, and do the splitting there. it's an extra layer of code, and once you add non-naïve behavior for deleting and fragmentation, you quickly approach filesystem-like complexity..... unless you can do some very clever mapping that reuses the consistent hash algorithms to find not only which server(s) you want, but also which chunk to hit.... the kind of things i'd love to code, but never found the use for it. i'll definitely dig deeper in the code. -- Javier -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
