hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Justin Vincent <justi...@gmail.com>
Subject Multiple Mappers for Multiple Tables
Date Mon, 05 Dec 2011 18:43:08 GMT
I would like join some db tables, possibly from different databases, in a
MR job.

I would essentially like to use MultipleInputs, but that seems file
oriented. I need a different mapper for each db table.



Justin Vincent

  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message