Which of the following HDFS commands can be used to check the integrity of data blocks?

Tez is a distributed computing box that supports directed acyclic graphs. When Hive uses the Tez engine for data analysis, it parses the HQL statements submitted by users into corresponding Tez tasks and submits them to Tez for execution.

Which of the following descriptions is correct about the deployment of big data components on Kunpeng and X86 servers? (Multiple choice)

Hive is a data warehouse software based on hadoop, which can query and manage PB-level distributed data.
Which of the following descriptions of Hive features is wrong?

Which of the following is not a characteristic of the MapReduce component in Hadoopl?