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Posted to dev@zeppelin.apache.org by Leemoonsoo <gi...@git.apache.org> on 2015/07/03 22:57:52 UTC

[GitHub] incubator-zeppelin pull request: ZEPPELIN-55 Make tutorial noteboo...

GitHub user Leemoonsoo opened a pull request:

    https://github.com/apache/incubator-zeppelin/pull/140

    ZEPPELIN-55 Make tutorial notebook independent from filesystem.

    Tutorial notebook is downloading data using `wget` and unzip and load the csv file.
    This works only in local-mode and not going to work with cluster deployments.
    
    Discussed solution in the issue ZEPPELIN-55 are
    
     * Upload data to HDFS
     * Upload data to S3
    
    However, not all user will install HDFS, and accessing S3 via hdfs client needs accessKey and secretKey in configuration.
    
    this PR make tutorial notebook independent from any filesystem, by reading data from http(s) address and parallelize directly.
    
    Here's how this PR loads data
    ```
    // load bank data
    val bankText = sc.parallelize(
        IOUtils.toString(
            new URL("https://s3.amazonaws.com/apache-zeppelin/tutorial/bank/bank.csv"),
            Charset.forName("utf8")).split("\n"))
    
    case class Bank(age: Integer, job: String, marital: String, education: String, balance: Integer)
    
    val bank = bankText.map(s => s.split(";")).filter(s => s(0) != "\"age\"").map(
        s => Bank(s(0).toInt, 
                s(1).replaceAll("\"", ""),
                s(2).replaceAll("\"", ""),
                s(3).replaceAll("\"", ""),
                s(5).replaceAll("\"", "").toInt
            )
    ).toDF()
    bank.registerTempTable("bank")
    ```

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/Leemoonsoo/incubator-zeppelin ZEPPELIN-55

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-zeppelin/pull/140.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #140
    
----
commit 653b1bc47fee949fedfbd3bf5dfc3b77b1efd234
Author: Lee moon soo <mo...@apache.org>
Date:   2015-07-03T20:46:35Z

    Load data directly from http without using filesystem

----


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[GitHub] incubator-zeppelin pull request: ZEPPELIN-55 Make tutorial noteboo...

Posted by asfgit <gi...@git.apache.org>.

Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-zeppelin/pull/140


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[GitHub] incubator-zeppelin pull request: ZEPPELIN-55 Make tutorial noteboo...

Posted by Leemoonsoo <gi...@git.apache.org>.

Github user Leemoonsoo commented on the pull request:

    https://github.com/apache/incubator-zeppelin/pull/140#issuecomment-118540606
  
    Merging if there're no more discussions.


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[GitHub] incubator-zeppelin pull request: ZEPPELIN-55 Make tutorial noteboo...

Posted by Leemoonsoo <gi...@git.apache.org>.

Github user Leemoonsoo commented on the pull request:

    https://github.com/apache/incubator-zeppelin/pull/140#issuecomment-118424672
  
    Ready to merge


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