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Posted to mapreduce-user@hadoop.apache.org by Bing Jiang <ji...@gmail.com> on 2012/01/11 03:33:53 UTC

How to set container request's hostname?

Hi, I want to know how to specify the hostname in require container.

            ResourceRequest request =
Records.newRecord(ResourceRequest.class);
            request.setHostName("*");
            request.setNumContainers(1);
            Priority pri = Records.newRecord(Priority.class);
            pri.setPriority(1);
            request.setPriority(pri);
            Resource capability = Records.newRecord(Resource.class);
            capability.setMemory(20);
            request.setCapability(capability);


If anyone know how to set HostName here, I guess the "*" can be replaced
by  RackName+HostName, But I don't know the format.

Thanks.

-- 
Bing Jiang
Tel：(86)134-2619-1361
weibo: http://weibo.com/jiangbinglover
BLOG: http://blog.sina.com.cn/jiangbinglover
National Research Center for Intelligent Computing Systems
Institute of Computing technology
Graduate University of Chinese Academy of Science