Which of the following is true for the rule in Catalyst optimizer? - Spark Quiz

Spark - Quiz(MCQ)

Which of the following is true for the rule in Catalyst optimizer?

A)

We can manipulate tree using rules.

B)

We can define rules as a function from one tree to another tree.

C)

Using rule we get the pattern that matches each pattern to a result.

D)

All of the above

Correct Answer : All of the above

Recently Updated in Spark Questions

Which of the following is not true for Hadoop and Spark?

A)

Both are data processing platforms

B)

Both are cluster computing environments

C)

Both have their own file system

D)

Both use open source APIs to link between different tools

Correct Answer : Both have their own file system

The default storage level of cache() is?

A)

MEMORY_ONLY

B)

DISK_ONLY

C)

MEMORY_AND_DISK

D)

MEMORY_ONLY_SER

Correct Answer : MEMORY_ONLY

Which Cluster Manager do Spark Support?

A)

YARN

B)

MESOS

C)

Standalone Cluster Manager

D)

All of the above

Correct Answer : All of the above

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