On Wed, Sep 12, 2012 at 1:27 PM, sheng qiu <herbert1984106@xxxxxxxxx> wrote: > actually i have read both these two papers. i understand the theory > but just curious about how is it implemented within the codes. i > looked into the ceph source codes, it seems very complicated for me. The CRUSH library is in src/crush. It's tightly integrated into RADOS and, as you put it, the system as a whole is very complicated. Not sure what we can do about that; it's fundamentally a complex distributed programming problem space. The internal notes at http://ceph.com/docs/master/dev/ may be helpful. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html