[ https://issues.apache.org/jira/browse/PIG-2831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth J updated PIG-2831: ---------------------------- Attachment: PIG-2831.5.git.patch > MR-Cube implementation (Distributed cubing for holistic measures) > ----------------------------------------------------------------- > > Key: PIG-2831 > URL: https://issues.apache.org/jira/browse/PIG-2831 > Project: Pig > Issue Type: Sub-task > Reporter: Prasanth J > Assignee: Prasanth J > Attachments: PIG-2831.1.git.patch, PIG-2831.2.git.patch, > PIG-2831.3.git.patch, PIG-2831.4.git.patch, PIG-2831.5.git.patch > > > Implementing distributed cube materialization on holistic measure based on > MR-Cube approach as described in http://arnab.org/files/mrcube.pdf. > Primary steps involved: > 1) Identify if the measure is holistic or not > 2) Determine algebraic attribute (can be detected automatically for few > cases, if automatic detection fails user should hint the algebraic attribute) > 3) Modify MRPlan to insert a sampling job which executes naive cube algorithm > and generates annotated cube lattice (contains large group partitioning > information) > 4) Modify plan to distribute annotated cube lattice to all mappers using > distributed cache > 5) Execute actual cube materialization on full dataset > 6) Modify MRPlan to insert a post process job for combining the results of > actual cube materialization job > 7) OOM exception handling -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira