# Enable consistent view
<a name="enable-consistent-view"></a>

You can enable Amazon S3 server-side encryption or consistent view for EMRFS using the AWS Management Console, AWS CLI, or the `emrfs-site` configuration classification.<a name="enable-emr-fs-console"></a>

**To configure consistent view using the console**

1. Navigate to the new Amazon EMR console and select **Switch to the old console** from the side navigation. For more information on what to expect when you switch to the old console, see [Using the old console](https://docs.aws.amazon.com/emr/latest/ManagementGuide/whats-new-in-console.html#console-opt-in).

1. Choose **Create cluster**, **Go to advanced options**.

1. Choose settings for **Step 1: Software and Steps** and **Step 2: Hardware**. 

1. For **Step 3: General Cluster Settings**, under **Additional Options**, choose **EMRFS consistent view**.

1. For **EMRFS Metadata store**, type the name of your metadata store. The default value is **EmrFSMetadata**. If the EmrFSMetadata table does not exist, it is created for you in DynamoDB.
**Note**  
Amazon EMR does not automatically remove the EMRFS metadata from DynamoDB when the cluster is terminated.

1. For **Number of retries**, type an integer value. If an inconsistency is detected, EMRFS tries to call Amazon S3 this number of times. The default value is **5**. 

1. For **Retry period (in seconds)**, type an integer value. This is the amount of time that EMRFS waits between retry attempts. The default value is **10**.
**Note**  
Subsequent retries use an exponential backoff. 

**To launch a cluster with consistent view enabled using the AWS CLI**

We recommend that you install the current version of AWS CLI. To download the latest release, see [https://aws.amazon.com/cli/](https://aws.amazon.com/cli/).
+ 
**Note**  
Linux line continuation characters (\$1) are included for readability. They can be removed or used in Linux commands. For Windows, remove them or replace with a caret (^).

  ```
  1. aws emr create-cluster --instance-type m5.xlarge --instance-count 3 --emrfs Consistent=true \
  2. --release-label emr-7.12.0 --ec2-attributes KeyName=myKey
  ```

**To check if consistent view is enabled using the AWS Management Console**
+ To check whether consistent view is enabled in the console, navigate to the **Cluster List** and select your cluster name to view **Cluster Details**. The "EMRFS consistent view" field has a value of `Enabled` or `Disabled`.

**To check if consistent view is enabled by examining the `emrfs-site.xml` file**
+ You can check if consistency is enabled by inspecting the `emrfs-site.xml` configuration file on the master node of the cluster. If the Boolean value for `fs.s3.consistent` is set to `true` then consistent view is enabled for file system operations involving Amazon S3.