Apache Impala Interview Questions
Questions Answers Views Company eMail

What is impala?

22

Why we need impala hadoop?

6

What is the maximum number of rows in a table?

3




Describe impala shell (impala-shell command)?

3

Can any impala query also be executed in hive?

41

State some advantages of impala?

3

Does impala use caching?

3

How are joins performed in impala?

37




What are distinct operators in impala?

3

What is troubleshooting for impala?

21

Can impala be used for complex event processing?

3

How do I configure hadoop high availability (ha) for impala?

3

How do I know how many impala nodes are in my cluster?

27

What are the differences between relational databases and impala?

3

On which hosts does impala run?

3


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Un-Answered Questions { Apache Impala }

Where can I get sample data to try?

7


State use cases of impala?

3


Can I do transforms or add new functionality?

25


What kinds of impala queries or data are best suited for hbase?

1


Compare hive, hbase, and impala?

3






When does impala hold on to or return memory?

19


Is impala intended to handle real time queries in low-latency applications or is it for ad hoc queries for the purpose of data exploration?

5


Is hive an impala requirement?

1


Why does my insert statement fail?

1


Can any impala query also be executed in hive?

41


What is used to store data generally?

1


Is there an update statement?

22


What features from relational databases or hive are not available in impala?

1


What is the no. Of threads created by impala?

1


Can impala do user-defined functions (udfs)?

1