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relevance of topology.map for hive, spark and oozie?

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relevance of topology.map for hive, spark and oozie?

Expert Contributor

Hi,

 

What is the relevance of topology.map for hive, spark and oozie? We recently added few nodes to our existing racks and were prompted for restart of hive, spark, oozie, hue and flume. Have seen that few other members had the same issue. We just want to understand why is this file required for these services?

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