Hope https://issues.apache.org/jira/browse/PIG-833 can help. Zebra is based on vertical partition, as Jing Huang pointed in the above jira. I think understanding ColumnGroup and Partition will be a good start.
Thanks Yongqiang On 11/26/09 7:32 AM, "Jeff Zhang" <zjf...@gmail.com> wrote: > Hi all, > > I'd like to learn zebra, so is there any zebra design document, I did not > found any on wiki > Thank you. > > > Jeff Zhang