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  • What is Apache Spark?

    What is Spark SQL?

    Renuka125 pointsBadges:
  • How to save Spark data as a CSV file

    I'm having issues with saving my Spark job result as a CSV file - my files keep being saved as part-0000. Can anyone help me with this? This is Spark for Hadoop too. Thanks so much.

    ITKE1,071,565 pointsBadges:
  • What’s the difference between SAP HANA and Spark?

    HANA and SPARK seem to be in competing areas (for the most part). If that is true, what does the integration between two offer?

    arulgovi5 pointsBadges:
  • What framework should I use for fast Hadoop real-time data analysis?

    I'm trying to do some real-time data analysis on data in HDFS but I'm not sure which framework I should use. I'm deciding between Cloudera, Apache and Spark. Which one would best suite me? Thanks!

    ITKE1,071,565 pointsBadges:
  • Rename files in Hadoop/Spark

    A friend of mine (he would ask this question but his computer is down) has an input folder that contains over 100,000 files. He wants to do a batch operation and is trying to use Spark but when he tried this piece of code: final org.apache.hadoop.fs.FileSystem ghfs =...

    ITKE1,071,565 pointsBadges:
  • Fetch data from HBase table in Spark

    We have this huge table in HBase that's named UserAction. It has three different column families. We're trying to fetch all of the data from one column family as a JavaRDD object. We've tried using the code below but it's not working. What else can we do? static SparkConf sparkConf = new...

    ITKE1,071,565 pointsBadges:
  • Process range of Hbase rows using Spark

    We've been using HBase as a data source for Spark. We've already created a RDD from a HBase table but we can't figure out a way to create a RDD for a range scan. Does anyone know how to do it?

    ITKE1,071,565 pointsBadges:
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