In a case that memory cannot hold all the cached RDD, then BlockManager will evict some older block for storage of new RDD block.
Hope that will helpful. 2015-06-24 13:22 GMT+08:00 bit1...@163.com <bit1...@163.com>: > I am kind of consused about when cached RDD will unpersist its data. I > know we can explicitly unpersist it with RDD.unpersist ,but can it be > unpersist automatically by the spark framework? > Thanks. > > ------------------------------ > bit1...@163.com > -- 王海华
