Thanks for the update, Steve. Glad to hear that the Twill code could help make this happen in YARN!
We'll have to study up on this. I'm particularly interested in the security implementation. Does the RM mediate the ZK access for applications, or do applications directly register under their parent znode? On Wed, Oct 8, 2014 at 1:52 PM, Steve Loughran <[email protected]> wrote: > I'm just letting everyone know the core YARN-913 registry is checked in, > with the goal of a ZK-based registry for YARN apps. There's security > support too: the RM will create a zknode for a user with the right > permissions for that user and system accounts only, user apps are free to > register whatever they want underneath. > > This patch actually contains a bit of twill code -your in-VM zookeeper > service was lifted, wrapped in a YARN service and will -once the remaining > patches go in- be integrated with the MiniYARNCluster. > > https://git-wip-us.apache.org/repos/asf?p=hadoop.git;a=blob;f=hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/server/services/MicroZookeeperService.java;h=3fa0c1920dd150ec23995f9b8e714d81633a9f74;hb=HEAD > > Can I therefore thank the team for your contribution to the hadoop codebase > —and I hope to see you using the registry itself at some point in the future > > -steve > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You.
