tgravescs commented on a change in pull request #23348: [SPARK-25857][core] Add developer documentation regarding delegation tokens. URL: https://github.com/apache/spark/pull/23348#discussion_r246014581
########## File path: core/src/main/scala/org/apache/spark/deploy/security/README.md ########## @@ -0,0 +1,245 @@ +# Delegation Token Handling In Spark + +This document aims to explain and demystify delegation tokens as they are used by Spark, since +this topic is generally a huge source of confusion. + + +## What are delegation tokens and why use them? + +Delegation tokens (DTs from now on) are authentication tokens used by some services to replace +Kerberos service tokens. Many services in the Hadoop ecosystem have support for DTs, since they +have two very desirable advantages over Kerberos tokens: Review comment: I think we have 3 things now, could change to a few to not have to list certain number ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
