inline resp. On Mon, Jul 9, 2012 at 10:18 AM, prasenjit mukherjee <prasen....@gmail.com>wrote:
> Thanks Aaron for your response. Some follow up > questions/assumptions/clarifications : > > 1. With RandomPartitioner, on a given node, are the keys sorted by > their hash_values or original/unhashed keys ? > hash value, > 2. With RandomPartitioner, on a given node, are the columns (for a > given key) always sorted by their column_names ? > yes, depends on comparator. > 3. From what I understand, token = hash(key) for a RandomPartitioner, > and hence any key-range queries will return bogus results. correct. > Although I > believe column-range-queries should succeed even in RP if they are > always sorted by column_names. > > correct, depends on comparator. -Thanks, > Prasenjit > > On Mon, Jul 9, 2012 at 12:17 AM, aaron morton <aa...@thelastpickle.com> > wrote: > > for background > > http://wiki.apache.org/cassandra/FAQ#range_rp > > > > It maps the start key to a token, and then scans X rows from their on CL > > number of nodes. Rows are stored in token order. > > > > Cheers > > > > ----------------- > > Aaron Morton > > Freelance Developer > > @aaronmorton > > http://www.thelastpickle.com > > > > On 7/07/2012, at 11:52 PM, prasenjit mukherjee wrote: > > > > Wondering how a rangequery request is handled if RP is used. Will the > > receiving node do a fan-out to all the nodes in the ring or it will > > just execute the rangequery on its own local partition ? > > > > -- > > Sent from my mobile device > > > > >
