-Re: TableMapReduceUtil, multiple scan objects, how to identify originating scan object in mapper
Nick Dimiduk 2013-10-21, 19:38
I don't see an obvious way to gain access to this information. If you don't
find a clever way to get at this, would you mind opening a ticket for this
On Mon, Oct 21, 2013 at 9:44 AM, Jim Holloway
> I’m using the new 94.6 multi scan feature to pull rows from different
> into a single mapper.
> ArrayList<Scan> scans = new ArrayList<Scan>();
> My problem is I don’t know how to identify the source (table) of a
> particular row coming in to my mapper job. My first couple of map/reduce
> jobs I had the luxury of being able to identify the table source based on a
> specific characteristic of the row key (one of the tables having an
> underscore(_) embedded). Knew that was sloppy but haven’t been able to
> a better way.
> Is there a definitive way?
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> Sent from the HBase User mailing list archive at Nabble.com.