Re: saveAsTextFile creates an empty folder in HDFS

2015-10-03 Thread Ajay Chander
Hi Jacin, If I was you, first thing that I would do is, write a sample java application to write data into hdfs and see if it's working fine. Meta data is being created in hdfs, that means, communication to namenode is working fine but not to datanodes since you don't see any data inside the file.

Re: saveAsTextFile creates an empty folder in HDFS

2015-10-03 Thread Jacinto Arias
Yes printing the result with collect or take is working, actually this is a minimal example, but also when working with real data the actions are performed, and the resulting RDDs can be printed out without problem. The data is there and the operations are correct, they just cannot be written t

Re: saveAsTextFile creates an empty folder in HDFS

2015-10-03 Thread Ted Yu
bq. val dist = sc.parallelize(l) Following the above, can you call, e.g. count() on dist before saving ? Cheers On Fri, Oct 2, 2015 at 1:21 AM, jarias wrote: > Dear list, > > I'm experimenting a problem when trying to write any RDD to HDFS. I've > tried > with minimal examples, scala programs