Apache Impala Interview Questions
Questions Answers Views Company eMail

What is impala?

128

Why we need impala hadoop?

41

What is the maximum number of rows in a table?

44

Describe impala shell (impala-shell command)?

40

Can any impala query also be executed in hive?

80

State some advantages of impala?

34

Does impala use caching?

44

How are joins performed in impala?

99

What are distinct operators in impala?

40

What is troubleshooting for impala?

75

Can impala be used for complex event processing?

156

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

49

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

88

What are the differences between relational databases and impala?

50

On which hosts does impala run?

43


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Un-Answered Questions { Apache Impala }

Does cloudera offer a vm for demonstrating impala?

43


Can I use impala to query data already loaded into hive and hbase?

47


Compare hive, hbase, and impala?

42


Can I do transforms or add new functionality?

93


Can impala do user-defined functions (udfs)?

35


Is there an update statement?

96


What is impala?

128


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

88


State use cases of impala?

45


What is the no. Of threads created by impala?

44


Describe impala shell (impala-shell command)?

40


Can I do trforms or add new functionality?

69


State some advantages of impala?

34


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 disadvantages of impala?

29