How to use

getUser

method

in

org.apache.hadoop.yarn.server.nodemanager.executor.ContainerLivenessContext

@Override
public boolean isContainerAlive(ContainerLivenessContext ctx)
  throws IOException {
 String user = ctx.getUser();
 String pid = ctx.getPid();
 Container container = ctx.getContainer();
 // Send a test signal to the process as the user to see if it's alive
 return signalContainer(new ContainerSignalContext.Builder()
   .setContainer(container)
   .setUser(user)
   .setPid(pid)
   .setSignal(Signal.NULL)
   .build());
}

@Override
public boolean isContainerAlive(ContainerLivenessContext ctx)
  throws IOException {
 String user = ctx.getUser();
 String pid = ctx.getPid();
 Container container = ctx.getContainer();
 // Send a test signal to the process as the user to see if it's alive
 return signalContainer(new ContainerSignalContext.Builder()
   .setContainer(container)
   .setUser(user)
   .setPid(pid)
   .setSignal(Signal.NULL)
   .build());
}