Hi,

Cluster.java
<https://github.com/apache/hadoop/blob/f67237cbe7bc48a1b9088e990800b37529f1db2a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Cluster.java#L50>
"provides a way to access information about the map/reduce cluster". So in
Java code, I could do something like:

Configuration conf = new Configuration(...);
Cluster cluster = new Cluster(conf);
cluster.getClusterStatus();

Is there an equivalent for the JobHistoryServer? I have found REST APIs
<https://hadoop.apache.org/docs/r2.4.1/hadoop-yarn/hadoop-yarn-site/HistoryServerRest.html>,
but I haven't been able to find a Java class.

Any help would be appreciated!

Thanks,
Benson

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