Q:

Is there solutions in Hadoop 2.2 for this situation?

In Hadoop 2.2, we can use the High Availability feature to deal with the namenode's fault. Is there any solutions to deal with the ResourceManager's fault? If the machine which has the ResourceManager's process is shutdown or offline, could any other machine backup the states.
Thanks.

A:

In YARN, when a ResourceManager fails over, all applications will be restarted. For applications like Hadoop MapReduce which implemented recovery, jobs will continue from their last saved progress.
Failover handling of ResourceManager will be implemented in the future.

