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Talend datamodel change from SQL Server/MYSQL to Hadoop

I need your help on below design.

Two disparate data warehouse applications – MYSQL and SQL Server. Data is loaded into the warehouse using Talend.

Consolidate up to 200 tables from each of a MYSQL and a SQL Server data warehouse into a single three node Hadoop environment.

Can you please let me know how to change existing target from SQL Server/MYSQL to Hadoop and what are all the limitations. How can I do the incremental load to Hive DB Hadoop?

Can you send me architectural process?