Sreedhar Bolneni has a walkthrough on integrating SAP HANA with Impala:
Assuming an existing Cloudera Enterprise cluster with Impala services and HANA instances are running and that the HANA host has access to Impala daemons, configuring the integration is fairly straightforward
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Install the Impala ODBC driver on the HANA host.
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Configure the Impala data source.
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Create remote source and virtual tables using SAP HANA Studio; then test.
There are a lot of screenshots and configuration files to help guide you through.