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Terminate a Job Flow

This section describes the methods to terminate a job flow. You can terminate job flows in the STARTING, RUNNING, or WAITING states. A job flow in the WAITING state must be terminated or it runs indefinitely, generating charges to your account. You can terminate a job flow that fails to leave the STARTING state or is unable to complete a step.

Depending on the configuration of the job flow, it may take up to 5-20 minutes for the job flow to completely terminate and release allocated resources, such as Amazon E2 instances.

Amazon EMR Console

You can terminate a job flow using the Amazon EMR console.

To terminate a job flow

Sign in to the AWS Management Console and open the Amazon Elastic MapReduce console at https://console.aws.amazon.com/elasticmapreduce/.
Select the job flow you want to terminate.
Click Terminate.
The Terminate Job Flow(s) confirmation dialog box appears.
Click Yes, Terminate.
Amazon Elastic MapReduce (Amazon EMR) terminates the instances in the cluster and stops saving log data.

using the CLI

To terminate a job flow, use the --terminate parameter and specify the job flow to terminate. The example that follows uses job flow j-C019299B1X.

To terminate a job flow

If you are using	Enter the following...
Linux or UNIX	& ./elastic-mapreduce --terminate j-C019299B1X
Microsoft Windows	c:\ruby elastic-mapreduce --terminate j-C019299B1X

The response is similar to the following:

Terminated job flow j-C019299B1X

API

The TerminateJobFlows operation ends step processing, uploads any log data from Amazon EC2 to Amazon S3 (if configured), and terminates the Hadoop cluster. A job flow also terminates automatically if you set KeepJobAliveWhenNoSteps to False in a RunJobFlows request.

You can use this action to terminate either a single job flow or a list of job flows by their job flow IDs.

The following request shows how to terminate a job flow using a <JobFlowID>.

To terminate a job flow

Issue a request similar to the following. In this example, three job flows are terminated.

https://elasticmapreduce.amazonaws.com?
JobFlowIds.member.1=j-3UN6SOUERO2AG,j-3UN6WX5RR438r7,j-3UN6DUER23849&
Operation=TerminateJobFlows&
AWSAccessKeyId=AccessKeyID&
SignatureVersion=2&
SignatureMethod=HmacSHA256&
Timestamp=2009-01-28T21%3A53%3A50.000Z&
Signature=calculated value

The response contains the request ID.

For more information about the input parameters unique to TerminateJobFlows, go to TerminateJobFlows. For more information about the generic parameters in the request, see Common Request Parameters.

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