Start server/scheduler according to env variables
Start server/scheduler according to env variables
When this argument is set to an integer greater than 0 (in second), a daemon thread will start to periodically check whether scheduler (server side) or servers (scheduler side) are dead. If so, die itself. This could be useful for running mxnet on distributed data platform, where you do not know which node your application runs on and in such situation you want others die automatically once some of the nodes goes out.