Re: when cached RDD will unpersist its data

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

when cached RDD will unpersist its data

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