Map reduce or SQL
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,count(id1) as cn1 from map2 group by id1 union all select id1,count(id1) as cn1 from map3 group by id1 ) group by id1
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Quick Start For Migrating to Cloud
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-transmission-service?spm=a3c0i.126076.1097638.dnavproductsd10.78ff155aVYiOPz
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