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In the first part of this blog series I described a few challenges that I had to face to quickly implement a simple Hive query and schedule it periodically on the Hadoop cluster. These challenges include data cataloguing, data discovery, data lineage and process scheduling. I also explained how they can be addressed using existing […]

In this blog post, I describe a few surprising gotchas related to the import of a MySQL table into Hive using Sqoop 1.4.5 (the most recent version supported by vendors like Hortonworks or Cloudera at the time of writing this post). Real-world scenario In my simple (yet real-world) use-case, I have a MySQL table and […]

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