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From greghogan <...@git.apache.org>
Subject [GitHub] flink pull request #3828: [FLINK-6447] update aws/emr docs
Date Thu, 04 May 2017 19:03:43 GMT
Github user greghogan commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3828#discussion_r114861184
  
    --- Diff: docs/setup/aws.md ---
    @@ -32,17 +32,23 @@ Amazon Web Services offers cloud computing services on which you can
run Flink.
     
     [Amazon Elastic MapReduce](https://aws.amazon.com/elasticmapreduce/) (Amazon EMR) is
a web service that makes it easy to  quickly setup a Hadoop cluster. This is the **recommended
way** to run Flink on AWS as it takes care of setting up everything.
     
    -### Create EMR Cluster
    +### Standard EMR Installation
     
    -The EMR documentation contains [examples showing how to start an EMR cluster](http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-gs-launch-sample-cluster.html).
You can follow that guide and install any EMR release. You don't need to install *All Applications*
part of the EMR release, but can stick to *Core Hadoop*:
    +Flink is a supported application on Amazon EMR. Basically all you have to do is choose
Flink as an application, along with whatever
    +else you need, and configure the instances and roles. [Amazon's documentation](http://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-flink.html)
gives all the details.
     
    -<img src="{{ site.baseurl }}/fig/flink-on-emr.png" class="img-responsive">
    +### Custom EMR Installation
     
    -When creating your cluster, make sure to setup [IAM roles](http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-iam-roles.html)
allowing you to access your S3 buckets if required.
    +The standard installation (above) is easier, but if you need to use a version of Flink
that Amazon doesn't support,
    +then you can setup a stock EMR cluster and install Flink yourself.
     
    -{% top %}
    +**Create EMR Cluster**
    +
    +The EMR documentation contains [examples showing how to start an EMR cluster](http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-gs-launch-sample-cluster.html).
You can follow that guide and install any EMR release. You don't need to install the *All
Applications* part of the EMR release, but can stick to *Core Hadoop*.
    +
    +When creating your cluster, make sure to setup [IAM roles](http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-iam-roles.html)
allowing you to access your S3 buckets if required.
    --- End diff --
    
    How about something like "When creating a cluster, access to S3 buckets requires configuration
of [IAM roles](http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-iam-roles.html)."?
And prefix with our "note" warning?


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