Cloudera is a custom enterprise software company that builds products around the Hadoop platform.  The company has raised $6 million in funding, bringing their total to about $11 million.

This round of funding was led by Greylock Partners and previous investor Accel participated.  Other Cloudera investors includes Diane Greene and Marten Mickos.  The company was founded in 2008 by Mike Olson, Christophe Bisciglia, Dr. Amr Awadallah, and Jeff Hammerbacher.

[via GigaOM]