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From stack <st...@duboce.net>
Subject Re: Question regarding MR for Hbase
Date Fri, 05 Jun 2009 19:30:18 GMT
Its working for us... you going to right place?

Channel is '#hbase' and server is 'irc.freenode.net'

St.Ack

On Fri, Jun 5, 2009 at 9:55 AM, Vijay <vijay2win@gmail.com> wrote:

> *Thanks Billy and Eric*, i got a working thing now.... The Export Util
> actually helped (should we add to the wiki?) now trying to get the response
> back to the servlet....
> *BTW*: is Hbase IRC working or it is only me?
>
> Regards,
> </VJ>
>
>
>
>
> On Thu, Jun 4, 2009 at 11:08 PM, Billy Pearson
> <sales@pearsonwholesale.com>wrote:
>
> > Take a look also at
> > TableMapReduceUtil
> >
> > Its in the api docs for 0.19 and 0.20
> >
> > Billy
> >
> > "Vijay" <vijay2win@gmail.com> wrote in message
> > news:9b40bc2a0906041247j7d25f5a4y61351200ae2bb61f@mail.gmail.com...
> >
> >  Hello Everyone,
> >> I wanted to write a mr for hbase table.... there is a million record and
> i
> >> wanted to write a Map reduce task to scan through it and then get the
> data
> >> and find the 90the percentail of the result. It would be helpful if some
> >> one
> >> has a tried it before...
> >>
> >> The thing which i am finding hard to understand and the question is:
> >> How does MR get the input to the MR job, i mean how do i get the scanner
> >> output to the MR job? i dont want to get a million row first and give it
> >> back to the MR job but i needed to the region server's data directly go
> to
> >> the MR job.
> >>
> >> I saw the example @
> >>
> >>
> http://www.nabble.com/Re:-Map-Reduce-over-HBase---sample-code-p18253120.html
> >> but
> >> still couldn't get it... :(.
> >>
> >> Thanks in advance!
> >>
> >> Regards,
> >> </VJ>
> >>
> >>
> >
> >
>

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