No, I believe unpersist acts immediately.
On Mon, Oct 20, 2014 at 10:13 AM, marylucy
wrote:
> thank you for your reply!
> is unpersist operation lazy?if yes,how to decrease memory size as quickly
> as possible
>
> 在 Oct 20, 2014,21:26,"Nicholas Chammas" 写道:
>
> I believe it won't show up there
thank you for your reply!
is unpersist operation lazy?if yes,how to decrease memory size as quickly as
possible
> 在 Oct 20, 2014,21:26,"Nicholas Chammas" 写道:
>
> I believe it won't show up there until you trigger an action that causes the
> RDD to actually be cached. Remember that certain oper
I believe it won't show up there until you trigger an action that causes
the RDD to actually be cached. Remember that certain operations in Spark
are *lazy*, and caching is one of them.
Nick
On Mon, Oct 20, 2014 at 9:19 AM, marylucy wrote:
> in spark-shell,I do in follows
> val input = sc.t