I'd like to propose the following Issues to be bumped to the next release rather than including them in this current release iteration.
https://issues.apache.org/jira/browse/MAHOUT-1884: Allow specification of dimensions of a DRM https://issues.apache.org/jira/browse/MAHOUT-1790: SparkEngine nnz overflow resultSize when reducing. https://issues.apache.org/jira/browse/MAHOUT-1879: Lazy density analysis of DRMs in CheckpointedDrm https://issues.apache.org/jira/browse/MAHOUT-1873: Use densityAnalysis() in all necessary operations https://issues.apache.org/jira/browse/MAHOUT-1870: Add import and export capabilities for DRMs to and from Apache Arrow https://issues.apache.org/jira/browse/MAHOUT-1882: SequentialAccessSparseVector inerateNonZeros is incorrect. https://issues.apache.org/jira/browse/MAHOUT-1902: Parse Spark and Mahout variable arguments from the Mahout spark-shell https://issues.apache.org/jira/browse/MAHOUT-1686: Create a documentattion page for ALS https://issues.apache.org/jira/browse/MAHOUT-1686: MAHOUT-1682: Create a documentation page for SPCA https://issues.apache.org/jira/browse/MAHOUT-1897: Mahout Shell is running with a lag I'll assume lazy consensus on these. Andy
