Siddharth Seth created MAPREDUCE-5663:
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Summary: Add an interface to Input/Ouput Formats to obtain
delegation tokens
Key: MAPREDUCE-5663
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5663
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: Siddharth Seth
Assignee: Siddharth Seth
Currently, delegation tokens are obtained as part of the getSplits /
checkOutputSpecs calls to the InputFormat / OutputFormat respectively.
This works as long as the splits are generated on a node with kerberos
credentials. For split generation elsewhere (AM for example), an explicit
interface is required.
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