BrBETA_dnet-hadoop/dhp-workflows/dhp-aggregation/src/site/markdown/index.md

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##DHP-Aggregation

This module defines a set of oozie workflows for the collection and transformation of metadata records.

Both workflows interact with the Metadata Store Manager (MdSM) to handle the logical transactions required to ensure the consistency of the read/write operations on the data as the MdSM in fact keeps track of the logical-physical mapping of each MDStore.

It defines mappings for transformation of different datasource (See mapping section).