On 3 August 2017 at 01:05, jeff saremi <jeffsar...@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? --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org