spark-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Suzen, Mehmet" <>
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 <> 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:

View raw message