Yes...this looks like a good solution. But i am running chd3 and upgrade is scheduled not until next year.
On Fri, Aug 10, 2012 at 7:20 AM, Jerry Lam <[email protected]> wrote: > Hi Wei: > > There is a jira Hbase-3996, does this sound something you are looking for? > > Regards, > > Jerry > > On Friday, August 10, 2012, Bryan Beaudreault wrote: > > > Use 3 jobs: 1 to scan each table. The third could do a map-side join. > Make > > sure to use the same sort and partitions on the first two. > > > > Sent from iPhone. > > > > On Aug 10, 2012, at 9:41 AM, Weishung Chung <[email protected] > <javascript:;>> > > wrote: > > > > > but they are in production now > > > > > > On Fri, Aug 10, 2012 at 6:39 AM, Weishung Chung <[email protected] > <javascript:;>> > > wrote: > > > > > >> Thank you, I am trying to avoid to fetch by gets and would like to do > > >> something like hadoop MultipleInputs. > > >> Yes, it would be nice if i could denormalize and remodel the schema. > > >> > > >> > > >> On Fri, Aug 10, 2012 at 6:29 AM, Amandeep Khurana <[email protected] > <javascript:;> > > >wrote: > > >> > > >>> You can scan over one of the tables (using TableInputFormat) and do > > simple > > >>> gets on the other table for every row that you want to join. > > >>> > > >>> An interesting question to address here would be - why even need a > > join. > > >>> Can you talk more about the data and what you are trying to do? In > > general > > >>> you really want to denormalize and not need joins when working with > > HBase > > >>> (or for that matter most NoSQL stores). > > >>> > > >>> On Fri, Aug 10, 2012 at 6:52 PM, Weishung Chung <[email protected] > <javascript:;> > > > > > >>> wrote: > > >>> > > >>>> Basically a join of two data sets on the same row key. > > >>>> > > >>>> On Fri, Aug 10, 2012 at 6:12 AM, Amandeep Khurana <[email protected] > <javascript:;> > > > > > >>>> wrote: > > >>>> > > >>>>> How do you want to use two tables? Can you explain your algo a bit? > > >>>>> > > >>>>> On Fri, Aug 10, 2012 at 6:40 PM, Weishung Chung < > [email protected]<javascript:;> > > > > > >>>>> wrote: > > >>>>> > > >>>>>> Hi HBase users, > > >>>>>> > > >>>>>> I need to pull data from 2 HBase tables in a mapreduce job. For 1 > > >>> table > > >>>>>> input, I use TableMapReduceUtil.initTableMapperJob. Is there > another > > >>>>> method > > >>>>>> for multitable inputs ? > > >>>>>> > > >>>>>> Thank you, > > >>>>>> Wei Shung > > >>>>>> > > >>>>> > > >>>> > > >>> > > >> > > >> > > >
