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Showing posts with the label Rdd
Pyspark Application Fail With Java.lang.outofmemoryerror: Java Heap Space

Pyspark Application Fail With Java.lang.outofmemoryerror: Java Heap Space

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I'm running spark via pycharm and respectively pyspark shell. I've stacked with this error:… Read more Pyspark Application Fail With Java.lang.outofmemoryerror: Java Heap Space
Spark: How To "reducebykey" When The Keys Are Numpy Arrays Which Are Not Hashable?

Spark: How To "reducebykey" When The Keys Are Numpy Arrays Which Are Not Hashable?

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I have an RDD of (key,value) elements. The keys are NumPy arrays. NumPy arrays are not hashable, an… Read more Spark: How To "reducebykey" When The Keys Are Numpy Arrays Which Are Not Hashable?
How To Classify Images Using Spark And Caffe

How To Classify Images Using Spark And Caffe

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I am using Caffe to do image classification, can I am using MAC OS X, Pyhton. Right now I know how … Read more How To Classify Images Using Spark And Caffe
How Can I Use Reducebykey Instead Of Groupbykey To Construct A List?

How Can I Use Reducebykey Instead Of Groupbykey To Construct A List?

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My RDD is made of many items, each of which is a tuple as follows: (key1, (val1_key1, val2_key1)) (… Read more How Can I Use Reducebykey Instead Of Groupbykey To Construct A List?