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https://issues.apache.org/jira/browse/SPARK-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14098824#comment-14098824
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Josh Rosen commented on SPARK-922:
----------------------------------

Updated script, which also updates numpy:

{code}
yum install -y pssh
yum install -y python27 python27-devel
pssh -h /root/spark-ec2/slaves yum install -y python27 python27-devel
wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py -O - | 
python27
pssh -h /root/spark-ec2/slaves "wget 
https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py -O - | python27"
easy_install-2.7 pip
pssh -h /root/spark-ec2/slaves easy_install-2.7 pip
pip2.7 install numpy
pssh -h /root/spark-ec2/slaves pip2.7 install numpy
{code}

> Update Spark AMI to Python 2.7
> ------------------------------
>
>                 Key: SPARK-922
>                 URL: https://issues.apache.org/jira/browse/SPARK-922
>             Project: Spark
>          Issue Type: Task
>          Components: EC2, PySpark
>    Affects Versions: 0.9.0, 0.9.1, 1.0.0
>            Reporter: Josh Rosen
>             Fix For: 1.1.0
>
>
> Many Python libraries only support Python 2.7+, so we should make Python 2.7 
> the default Python on the Spark AMIs.



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