Spark simple exmaples ver 0.1.0

This is a set of Spark application script examples, which run on spark-shell.

You can use these scripts as references and execute them on spark-shell with :load function as a test.

feature

• Easy to run
• Easy to modify
• Suitable for beginners

THe following is the example to execute on spark-shell by :load function. If you want to know the detail of this scrpits, please refer to "src" directory.

WordCount

Start spark-shell

$ spark-shell

Load scala scripts

scala> :load src/WordCount.scala

Cache usage

Start spark-shell

$ spark-shell

Load scala scripts

scala> :load src/CacheUse.scala

SQL usage

Start spark-shell

$ ./bin/shell_csv.sh

Load scala scripts

scala> :load src/SqlUsage.scala

KMeans

Start spark-shell

$ ./bin/shell_csv.sh

Load scala scripts

scala> :load src/KMeans.scala

KMeans with large data

Start spark-shell

$ ./bin/shell_large_kmeans.sh

Load scala scripts

scala> :load src/KMeansLarge.scala

Tweet printing

Create config.properties

twitter_consumerKey=xxxxxxxxx
twitter_consumerSecret=xxxxxxxxx
twitter_accessToken=xxxxxxxxx
twitter_accessTokenSecret=xxxxxxxxxxxx

Start spark-shell

$ ./bin/shell_tweet.sh

Load scala scripts

scala> :load src/Tweet.scala

Release note

• 0.1.0: first version with several simple examples.