Output to multiple tables from Hadoop MR without use of HTable
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Key: HBASE-1963
URL: https://issues.apache.org/jira/browse/HBASE-1963
Project: Hadoop HBase
Issue Type: New Feature
Affects Versions: 0.20.1
Reporter: Kevin Peterson
Priority: Minor
Fix For: 0.21.0
o.a.h.h.mapreduce.TableOutputFormat allows writing to a single table as output
from a map/reduce job in the natural way. It requires that the user specify the
table name ahead of time and can only write to one table. I had a need to write
to multiple tables from the same job (write my data to one table, and also
write to index tables), and I wanted to have a consistent API whether writing
to one or many tables.
Attached MultiTableOutputFormat takes the table name as the key and the Put or
Delete as the value. Also included is an example demonstrating the usage.
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