On 31 October 2014 01:15, [email protected] <[email protected]> wrote: > Hi all, > > I have 2 questions, > 1. Is there a way to extend the REST API(add some customized api)? >
in the app master? Not really no. In fact, REST and YARN don't go together too well: you can't do anything in the web UI other than GET. > 2. Is there a way to add/remove component/component instance at the > runtime? > > do you mean dynamically adding components to resources.json? Certainly you can add them after an application instance has been set up. The flex command does this; what it is really doing is editing the resources.json file for that instance, then, if the cluster is running, send it a message saying "reread your specification" -- 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.
