Hi,
I have two RDDs A and B which are created from reading file from HDFS.
I have a third RDD C which is created by taking join of A and B. All three
RDDs (A, B and C ) are not cached.
Now if I perform any action on C (let say collect), action is served without
reading any data from the disk.
Since no data is cached in spark how is action on C is served without
reading data from disk.
Thanks
--Ajay
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