+ Dev Regards Sanjiv Singh Mob : +091 9990-447-339
On Wed, Jun 17, 2015 at 6:42 AM, wangzhenhua (G) <wangzhen...@huawei.com> wrote: > Hi all, > > I'm reading the source code of Hive cbo (CalcaitePlanner), but I find it > hard to follow. > Listed below are some of the questions: > 1. What's the relationship between HepPlanner and HiveVolcanoPlanner? > 2. I don't have a clue about these concepts: clusters, traitDef and > collectGarbage(). > > Thanks for any help. > > ------------------------------ > best regards, > -zhenhua >
