<ul><li>The challenge lies in mapping Spark structured dataframes to BigTable column families.</li><li>Traditionally, Bigtable provided client libraries for preparing rows for ingestion into BigTable, but they are verbose and challenging to maintain.</li><li>To address this, a Spark BigTable connector was used with the GCStoBigTable dataproc template.</li><li>The configuration includes specifying input files, file format, project ID, and catalog location.</li></ul>

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