How do you turn off the HDFS Data Node’s Block Scanner?

Describe the purpose of the .hiverc file in Hive.

Describe how Hive is used in the Hadoop ecosystem.

Why does Hadoop employ the context object?

Which two messages does NameNode get from DataNode?

How does schema evolution work?

Expand on HDFS.

What do you know about FSCK?

What happens when Block Scanner finds a faulty data block?

Describe the Snowflake Schema.