Thanks for your input but I need to launch my own node manager (different from the Yarn NM) running on each node. (which is not explained in the original question)
If I were to launch just a single master with a well-known address, ZooKeeper would be a great solution! Thanks. Dongwon Kim 2015-03-31 10:47 GMT+09:00 Drake민영근 <[email protected]>: > Hi, > > In these circumstances, there is no easy way to do that. Maybe use > workaround. How about using zookeeper for shared storage? The app master > create predefined zookeeper node when starting with current machine's IP and > Clients always look for that zookeeper node for app master's location. > > Thanks. > > > Drake 민영근 Ph.D > kt NexR > > On Mon, Mar 30, 2015 at 11:04 AM, Dongwon Kim <[email protected]> > wrote: >> >> Hello, >> >> First of all, I'm using Hadoop-2.6.0. I want to launch my own app >> master on a specific node in a YARN cluster in order to open a server >> on a predetermined IP address and port. To that end, I wrote a driver >> program in which I created a ResourceRequest object and called >> setResourceName method to set a hostname, and attached it to a >> ApplicationSubmissionContext object by >> callingsetAMContainerResourceRequest method. >> >> I tried several times but couldn't launch the app master on a specific >> node. After searching code, I found that RMAppAttemptImpl invalidates >> what I've set in ResourceRequest as follows: >> >> // Currently, following fields are all hard code, >> // TODO: change these fields when we want to support >> // priority/resource-name/relax-locality specification for AM >> containers >> // allocation. >> appAttempt.amReq.setNumContainers(1); >> appAttempt.amReq.setPriority(AM_CONTAINER_PRIORITY); >> appAttempt.amReq.setResourceName(ResourceRequest.ANY); >> appAttempt.amReq.setRelaxLocality(true); >> >> Is there another way to launch a container for an application master >> on a specific node in Hadoop-2.6.0? >> >> Thanks. >> >> Dongwon Kim > >
