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https://issues.apache.org/jira/browse/MAHOUT-1773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200589#comment-15200589
 ] 

ASF GitHub Bot commented on MAHOUT-1773:
----------------------------------------

Github user andrewmusselman commented on a diff in the pull request:

    https://github.com/apache/mahout/pull/157#discussion_r56592605
  
    --- Diff: examples/bin/cluster-syntheticcontrol.sh ---
    @@ -66,13 +66,13 @@ if [ ! -f ${WORK_DIR}/synthetic_control.data ]; then
     fi
     if [ "$HADOOP_HOME" != "" ] && [ "$MAHOUT_LOCAL" == "" ]; then
       echo "Checking the health of DFS..."
    -  $DFS -ls
    +  $DFS -ls /
       if [ $? -eq 0 ];then 
         echo "DFS is healthy... "
         echo "Uploading Synthetic control data to HDFS"
         $DFSRM testdata
    --- End diff --
    
    Shouldn't this have a slash in it too?


> Fix cluster-syntheticcontrol.sh for HDFS synthax
> ------------------------------------------------
>
>                 Key: MAHOUT-1773
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1773
>             Project: Mahout
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 0.11.0
>            Reporter: Eduardo Niemeyer
>            Priority: Trivial
>             Fix For: 0.11.1
>
>   Original Estimate: 5m
>  Remaining Estimate: 5m
>
> Added '/' to some lines, so it can check the root of the HDFS, where it's 
> possible to use -mkdir, -put and others. Otherwise the example keeps failing 
> (Tested on Hadoop 2.4.1).



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