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From "Suzen, Mehmet" <su...@acm.org>
Subject Re: How can i remove the need for calling cache
Date Wed, 02 Aug 2017 23:20:53 GMT
On 3 August 2017 at 01:05, jeff saremi <jeffsaremi@hotmail.com> wrote:
> Vadim:
>
> This is from the Mastering Spark book:
>
> "It is strongly recommended that a checkpointed RDD is persisted in memory,
> otherwise saving it on a file will require recomputation."

Is this really true? I had the impression that DAG will not be carried
out once RDD is serialized to an external file, so 'saveAsObjectFile'
saves DAG as well?

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