Apache Impala Interview Questions
Questions Answers Views Company eMail

How is impala metadata managed?

36

What size is recommended for each node?

188

What impala use for authentication?

38

Can impala do user-defined functions (udfs)?

35

What is used to store data generally?

39

State use cases of impala?

45

How do I load a big csv file into a partitioned table?

42

How does impala process join queries for large tables?

43

Can I do insert … select * into a partitioned table?

36

What happens if there is an error in impala?

109

Is it possible to share data files between different components?

34

Does if offer scaling?

31

Is there a dual table?

42

What load do concurrent queries produce on the namenode?

47

How can it help for avoiding costly modeling?

36


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Un-Answered Questions { Apache Impala }

On which hosts does impala run?

43


Does if offer scaling?

31


How to control access to data in impala?

45


State some disadvantages of impala?

29


Is there a dual table?

42


What are impala architecture components?

66


Can I do insert … select * into a partitioned table?

36


What are impala built-in functions?

48


Is hive an impala requirement?

44


State use cases of impala?

45


Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

98


State some advantages of impala?

34


Where can I get sample data to try?

36


What are the main features of impala?

40


How is impala metadata managed?

36