DescribeJobFlows returns a list of job flows that match all of the supplied parameters. The parameters can include a list of job flow IDs, job flow states, and restrictions on job flow creation date and time.
Regardless of supplied parameters, only job flows created within the last two months are returned.
If no parameters are supplied, then job flows matching either of the following criteria are returned:
- Job flows created and completed in the last two weeks
- Job flows created within the last two months that are in one of the following states: RUNNING , WAITING , SHUTTING_DOWN , STARTING
Amazon Elastic MapReduce can return a maximum of 512 job flow descriptions.
- describeJobFlowsRequest (DescribeJobFlowsRequest)
- Container for the necessary parameters to execute the DescribeJobFlows service method on AmazonElasticMapReduce.