apache/mahout — pull request #14 by boz (2013-03-09 00:00:53+00:00)
Title: MAHOUT-1158: Option to migrate IDs from alphanumeric to long.

Add `--migrateUserID`, `--migrateItemID` options to control automatic migration of IDs.

JIRA: [MAHOUT-1158](https://issues.apache.org/jira/browse/MAHOUT-1158)