Gr8 :) Thank you! Mingtao
On Sat, Aug 16, 2014 at 6:03 PM, Ted Yu <yuzhih...@gmail.com> wrote: > bq. hash(a.com) comes together with the timestamp sequence > > That should be the case - assuming your sessionId is of fixed width. > > Cheers > > > On Sat, Aug 16, 2014 at 2:55 PM, Mingtao Zhang <mail2ming...@gmail.com> > wrote: > > > Hi Ted, > > > > I used murmurhash. Actually I don't care about the sequence between the > > group of a.com and b.com record. I am 120% :) as far as hash(a.com) > comes > > together with the timestamp sequence. (hash(b.com) could come either > > before > > or after) > > > > Best Regards, > > Mingtao > > > > On Sat, Aug 16, 2014 at 5:44 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > > > How do you generate hash based on pageurl ? > > > The order between hash(a.com) and hash(b.com <http://a.com/>) may not > be > > > what you expected. > > > > > > BTW See http://hbase.apache.org/book.html#row and > > > http://hbase.apache.org/book.html#dm.sort > > > > > > Cheers > > > > > > > > > On Sat, Aug 16, 2014 at 2:26 PM, Mingtao Zhang <mail2ming...@gmail.com > > > > > wrote: > > > > > > > Hi, > > > > > > > > My rowkey is > > > > > > > > sessionid|hash(pageurl)|timestamp > > > > > > > > When I scan using a prefix filter with a specific sessionid, will it > > give > > > > me the result in sequence? For example, the expected sequence in my > > mind > > > > is: > > > > > > > > session1|hash(a.com)|1 > > > > session1|hash(a.com)|2 > > > > session1|hash(a.com)|3 > > > > session1|hash(b.com)|2.5 > > > > session1|hash(b.com)|5 > > > > session1|hash(b.com)|6 > > > > session1|hash(c.com)|3.5 > > > > session1|hash(c.com)|5.5 > > > > session1|hash(c.com)|7 > > > > > > > > Thanks in advance! > > > > > > > > Best Regards, > > > > Mingtao > > > > > > > > > >
