When a request for token change is issued ( via nodetool ) then on what basis a node will move some of its rows to other node, as there will be no way to scan rows based on MD5 hash in a given node ( if the keys are not prefixed with MD5 hash )
On Thu, Jul 19, 2012 at 1:43 PM, Patrik Modesto <patrik.mode...@gmail.com> wrote: > Hi Prasenjit, > > I don't see the need to recalculate anything. One key has a one MD5 > hash, it doesn't change. Just use the hash to select a node, than just > the plain key. Can you elaborate on the redistribution please? > > Regards, > P. > > On Thu, Jul 19, 2012 at 9:09 AM, prasenjit mukherjee > <prasen....@gmail.com> wrote: >> The probem could be while redistributing the tokens. In that case the >> hashes has to be recalculated on each fo the candidate node. >> >> -Thanks, >> Prasenjit >> >> On Thu, Jul 19, 2012 at 12:19 PM, Patrik Modesto >> <patrik.mode...@gmail.com> wrote: >>> Hi, >>> >>> I know that RandomPartitioner does MD5 of a key and the MD5 is then >>> used for key distribution AND key ordering. I was just wondering if >>> it's possible to have RandomPartitioner just for key distribution and >>> OrderedPartitioner just for per-node key ordering. That would solve >>> the often requested key scan feature. >>> >>> Regards, >>> Patrik
