Yes, persist/cache will cache an RDD only when an action is applied to it.
On Sun, May 4, 2014 at 6:32 AM, Earthson <[email protected]> wrote: > thx for the help, unpersist is excatly what I want:) > > I see that spark will remove some cache automatically when memory is full, > it is much more helpful if the rule satisfy something like LRU > > ~~~~ > > It seems that persist and cache is some kind of lazy? > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/cache-not-work-as-expected-for-iteration-tp5292p5308.html > Sent from the Apache Spark User List mailing list archive at Nabble.com. >
