That is required for driver fault-tolerance, as well as for some
transformations like updateSTateByKey that persist information across
batches. It must be a HDFS directory when running on a cluster.

TD


On Thu, Aug 7, 2014 at 4:25 PM, salemi <alireza.sal...@udo.edu> wrote:

> That is correct.  I do scc.checkpOint("checkpoint"). Why is the checkpoint
> required?
>
>
>
> --
> View this message in context:
> http://apache-spark-user-list.1001560.n3.nabble.com/Spark-Streaming-reduceByWindow-reduceFunc-invReduceFunc-windowDuration-slideDuration-tp11591p11731.html
> Sent from the Apache Spark User List mailing list archive at Nabble.com.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org
> For additional commands, e-mail: user-h...@spark.apache.org
>
>

Reply via email to