Can you paste the code? It's unclear to me how/when the out of memory is occurring without seeing the code.
On Sun, Aug 24, 2014 at 11:37 PM, Gefei Li <gefeili.2...@gmail.com> wrote: > Hello everyone, > I am transplanting a clustering algorithm to spark platform, and I > meet a problem confusing me for a long time, can someone help me? > > I have a PairRDD<Integer, Integer> named patternRDD, which the key > represents a number and the value stores an information of the key. And I > want to use two of the VALUEs to calculate a kendall number, and if the > number is greater than 0.6, then output the two KEYs. > > I have tried to transform the PairRDD to a RDD<Tuple2<Integer, > Integer>>, and add a common key zero to them, and join two together then > get a PairRDD<0, Iterable<Tuple2<Tuple2<key1, value1>, Tuple2<key2, > value2>>>>, and tried to use values() method and map the keys out, but it > gives me an "out of memory" error. I think the "out of memory" error is > caused by the few entries of my RDD, but I have no idea how to solve it. > > Can you help me? > > Regards, > Gefei Li >
