> From: Steve Loughran <ste...@apache.org> > Subject: Defining Hadoop Compatibility -revisiting- > To: general@hadoop.apache.org > Date: Tuesday, May 10, 2011, 3:29 AM > > Back in Jan 2011, I started a discussion about how to > define Apache Hadoop Compatibility: > http://mail-archives.apache.org/mod_mbox/hadoop-general/201101.mbox/%3c4d46b6ad.2020...@apache.org%3E > > I am now reading EMC HD "Enterprise Ready" Apache Hadoop > datasheet [...] > -I don't think you can claim to have a > Distribution/Fork/Version of Apache Hadoop if you swap out > big chunks of it for alternate filesystems, MR engines, etc. > Some description of this is needed > "Supports the Apache Hadoop MapReduce engine on top of > Filesystem XYZ"
This is also the case with Brisk, which replaces HDFS and the standard JobTracker with Cassandra and a new JobTracker, and claims to be a Hadoop distribution. "Apache Hadoop TM Powered by Cassandra" http://www.datastax.com/products/brisk "DataStax’ Brisk is an enhanced open-source Apache Hadoop and Hive distribution that utilizes Apache Cassandra for many of its core services. [...]" - Andy
