When a task is submitted to the YARN cluster, which of the following options will generate a job id for the task?

What is the role of the setMapOutputCompressorClass class in the development of MapReduce applications?

In FusionInsight HD, when using Streaming's Linux command line mode to submit a topology, a user with Streaming submission permission needs to be used for kinit authentication

In the FusionInsight HD system, with regard to the Hive JDBC interface type, which of the following descriptions is correct?

When adding a RegionServer host to an HBase cluster, you must stop the original cluster first, because HBase does not support dynamic expansion.