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Robert Joseph Evans updated YARN-528: ------------------------------------- Attachment: YARN-528.txt This patch contains changes to both Map/Reduce IDs as well as YARN APIs. I don't really want to split them up right now, but I am happy to file a separate JIRA for tracking purposes if the community decides this is a direction we want to go in. > Make IDs read only > ------------------ > > Key: YARN-528 > URL: https://issues.apache.org/jira/browse/YARN-528 > Project: Hadoop YARN > Issue Type: Improvement > Reporter: Robert Joseph Evans > Attachments: YARN-528.txt > > > I really would like to rip out most if not all of the abstraction layer that > sits in-between Protocol Buffers, the RPC, and the actual user code. We have > no plans to support any other serialization type, and the abstraction layer > just, makes it more difficult to change protocols, makes changing them more > error prone, and slows down the objects themselves. > Completely doing that is a lot of work. This JIRA is a first step towards > that. It makes the various ID objects immutable. If this patch is wel > received I will try to go through other objects/classes of objects and update > them in a similar way. > This is probably the last time we will be able to make a change like this > before 2.0 stabilizes and YARN APIs will not be able to be changed. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira