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Is there any support for Multidimensional Expressions (MDX) for Hadoop's Hive ?
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Connecting an OLAP solution with Hadoop's data is possible. In icCube it's possible to create your own data sources (check documentation), you'll need a Java interface (like JDBC). This solution is bringing the data to the OLAP server. To bring the processing to Hadoop is another question and at my knowledge nobody does it. Aggregating the facts in parallel is possible. Another step is to have the dimensions in the nodes. This is a complicated problem (algos are not easy to transform in a parallel version). |