This presentation (GCHQ) specifically notes use of HDFS and Hadoop to process data: https://theintercept.com/document/2015/09/25/gchq-analytic-cloud-challenges/

This presentation (GCHQ) specifically notes use of HDFS and Hadoop to process data: https://theintercept.com/document/2015/09/25/gchq-analytic-cloud-challenges/ https://theintercept.com/document/2015/09/25/gchq-analytic-c...