Regarding Redis cluster topology information, which of the following descriptions is correct?
In the V100R002C60 version of the FusionInsight HD system, Hive only supports query services based on the MapReduce engine, and does not support query services based on the Spark engine.
In FusionInsight HD, regarding the partition function of Hive, what is wrong in the following description?
In FusionInsight HD, Oozie needs to upload the configuration files and jar packages that the job relies on to HDFS before submitting the job
In FusionInsight HD, regarding Oozie's job operation commands, which of the following descriptions are correct? (multiple choice)