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https://issues.apache.org/jira/browse/MAHOUT-1894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871928#comment-15871928
]
Trevor Grant commented on MAHOUT-1894:
--------------------------------------
@apalumbo is still reporting issues where ever he tries this.
Want to make general call for testers to see where the 'gotchya' is.
Here are instructions for testing- please help.
Step 1. Clone Mahout-1894
```sh
$ git clone https://github.com/rawkintrevo/mahout
$ cd mahout
$ git checkout mahout-1894
```
Step 2. Download various Sparks
```sh
$ wget http://d3kbcqa49mib13.cloudfront.net/spark-1.6.3-bin-hadoop2.6.tgz
$ wget http://d3kbcqa49mib13.cloudfront.net/spark-2.0.2-bin-hadoop2.7.tgz
$ wget http://d3kbcqa49mib13.cloudfront.net/spark-2.1.0-bin-hadoop2.7.tgz
$ tar -xzf *tgz
```
(only if those are the only tgz's in the directory)
Step 3. Iteratively Build Mahout and Test Shell
A) Spark 1.6.3
```sh
$ mvn clean package -DskipTests -Dspark.version=1.6.3
$ export SPARK_HOME=/path/to/spark/1.6.3
$ bin mahout spark-shell
```
In the shell...
```scala
scala> :load examples/bin/SparseSparseDrmTimer.mscala
```
^^ Should run with out error...
Ctrl+C to close.
B) Spark 2.0.2
```sh
$ mvn clean package -DskipTests -Dspark.version=2.0.2
$ export SPARK_HOME=/path/to/spark/2.0.2
$ bin mahout spark-shell
```
In the shell...
```scala
scala> :load examples/bin/SparseSparseDrmTimer.mscala
```
^^ Should run with out error...
Ctrl+C to close.
C) Spark 2.1.0
```sh
$ mvn clean package -DskipTests -Dspark.version=2.1.0
$ export SPARK_HOME=/path/to/spark/2.1.0
$ bin mahout spark-shell
```
In the shell...
```scala
scala> :load examples/bin/SparseSparseDrmTimer.mscala
```
^^ Should run with out error...
Ctrl+C to close.
> Add support for Spark 2x backend
> --------------------------------
>
> Key: MAHOUT-1894
> URL: https://issues.apache.org/jira/browse/MAHOUT-1894
> Project: Mahout
> Issue Type: Task
> Components: spark
> Affects Versions: 0.13.0
> Reporter: Suneel Marthi
> Assignee: Trevor Grant
> Priority: Critical
> Fix For: 1.0.0, 0.13.0, 0.14.0
>
>
> add support for Spark 2.x as backend execution engine.
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