Amazon EMR | Launching a Cluster Flashcards
What are different step states?
Launching a Cluster
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PENDING – The step is waiting to be run.
RUNNING – The step is currently running.
COMPLETED – The step completed successfully.
CANCELLED – The step was cancelled before running because an earlier step failed or cluster was terminated before it could run.
FAILED – The step failed while running.
How can I access Amazon EMR?
Launching a Cluster
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You can access Amazon EMR by using the AWS Management Console, Command Line Tools, SDKS, or the EMR API.
How can I launch a cluster?
Launching a Cluster
Amazon EMR | Analytics
You can launch a cluster through the AWS Management Console by filling out a simple cluster request form. In the request form, you specify the name of your cluster, the location in Amazon S3 of your input data, your processing application, your desired data output location, and the number and type of Amazon EC2 instances you’d like to use. Optionally, you can specify a location to store your cluster log files and SSH Key to login to your cluster while it is running. Alternatively, you can launch a cluster using the RunJobFlow API or using the ‘create’ command in the Command Line Tools.
How can I get started with Amazon EMR?
Launching a Cluster
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To sign up for Amazon EMR, click the “Sign Up Now” button on the Amazon EMR detail page http://aws.amazon.com/elasticmapreduce. You must be signed up for Amazon EC2 and Amazon S3 to access Amazon EMR; if you are not already signed up for these services, you will be prompted to do so during the Amazon EMR sign-up process. After signing up, please refer to the Amazon EMR documentation, which includes our Getting Started Guide – the best place to get going with the service.
How can I terminate a cluster?
Launching a Cluster
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At any time, you can terminate a cluster via the AWS Management Console by selecting a cluster and clicking the “Terminate” button. Alternatively, you can use the TerminateJobFlows API. If you terminate a running cluster, any results that have not been persisted to Amazon S3 will be lost and all Amazon EC2 instances will be shut down.
Does Amazon EMR support multiple simultaneous cluster?
Launching a Cluster
Amazon EMR | Analytics
Yes. At any time, you can create a new cluster, even if you’re already running one or more clusters.
