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Looking for a good sample of Using Spark to do things Hadoop can do - Spark - [mail # user]
...Assume I have a large book with many Chapters and many lines of text. Assume I have a function that tells me the similarity of two lines oftext. The objective is to find the most simila...
   Author: Steve Lewis, 2014-09-13, 05:32
[expand - 1 more] - Re: Is the structure for a jar file for running Spark applications the same as that for Hadoop - Spark - [mail # user]
...In modern projects there are a bazillion dependencies - when I use Hadoop Ijust put them in a lib directory in the jar - If I have a project thatdepends on 50 jars I need a way to deliver th...
   Author: Steve Lewis, 2014-09-10, 22:49
[expand - 2 more] - Re: Mapping Hadoop Reduce to Spark - Spark - [mail # user]
...Assume I define a partitioner like   /**  * partition on the first letter   */    public class PartitionByStart extends Partitioner {  ...
   Author: Steve Lewis, 2014-09-04, 23:58
[expand - 1 more] - I am looking for a Java sample of a Partitioner - Spark - [mail # user]
...Assume say JavaWord countI call the equivalent of a Mapper JavaPairRDD ones = words.mapToPair(,,,Now right here I want to guarantee that each word starting with aparticular letter is pr...
   Author: Steve Lewis, 2014-09-02, 23:18
What happens if I have a function like a PairFunction but which might return multiple values - Spark - [mail # user]
...In many cases when I work with Map Reduce my mapper or my reducer mighttake a single value and map it to multiple keys -The reducer might also take a single key and emit multiple valuesI don...
   Author: Steve Lewis, 2014-08-28, 19:18
[expand - 1 more] - Re: How do you hit breakpoints using IntelliJ In functions used by an RDD - Spark - [mail # user]
...????That was not quite in EnglishMy Flatmap code is shown belowI know the code is called since the answers are correct but would like toput a break point in dropNonLetters to make sure that ...
   Author: Steve Lewis, 2014-08-25, 17:42
How to start master and workers on Windows - Spark - [mail # user]
...Thank you for your advice - I really need this help and promise to post ablog entry once it worksI ranand this ran successfully and I got a web page at http://localhost:8080this saysSpark Ma...
   Author: Steve Lewis, 2014-08-22, 18:57
I am struggling to run Spark Examples on my local machine - Spark - [mail # user]
...I download the binaries for spark-1.0.2-hadoop1 and unpack it on my Widows8 box.I can execute spark-shell.com and get a command window which does theproper thingsI open a browser to http:/lo...
   Author: Steve Lewis, 2014-08-21, 16:38
[expand - 2 more] - Re: Does anyone have a stand alone spark instance running on Windows - Spark - [mail # user]
...I have made a little progress - by downloading a prebuilt version of SparkI can call spark-shell.cmd and bring up a spark shell.In the shell things run.Next I go to my development environmen...
   Author: Steve Lewis, 2014-08-20, 16:55
[expand - 3 more] - Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster - Hadoop - [mail # user]
...I am using MR and know the job.setJar command - I can add all dependenciesto the jar in the lib directory but I was wondering if Hadoop would copy ajar from my local machine to the cluster -...
   Author: Steve Lewis, 2014-04-25, 17:14
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