Which of the below is not an Amazon EMR cluster state?
You have just finshed setting up an advertisement server in which one of the obvious choices for a service was Amazon Elastic Map Reduce( EMR) and are now troubleshooting some weird cluster states that you are seeing.
Which of the below is not an Amazon EMR cluster state?
A . STARTING
B . STOPPED
C . RUNNING
D . WAITING
Answer: B
Explanation:
Amazon Elastic Map Reduce (EMR) is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.
Amazon EMR historically referred to an Amazon EMR cluster (and all processing steps assigned to it) as a "cluster". Every cluster has a unique identifier that starts with "j-".
The different cluster states of an Amazon EMR cluster are listed below.
STARTING C The cluster provisions, starts, and configures EC2 instances.
BOOTSTRAPPING C Bootstrap actions are being executed on the cluster.
RUNNING C A step for the cluster is currently being run.
WAITING C The cluster is currently active, but has no steps to run.
TERMINATING – The cluster is in the process of shutting down.
TERMINATED – The cluster was shut down without error.
TERMINATED_WITH_ERRORS – The cluster was shut down with errors.
Reference: https://aws.amazon.com/elasticmapreduce/faqs/
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