Apache Impala Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Impala Interview Questions

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How is impala metadata managed?

What size is recommended for each node?

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What impala use for authentication?

Can impala do user-defined functions (udfs)?

What is used to store data generally?

State use cases of impala?

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

How does impala process join queries for large tables?

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

What happens if there is an error in impala?

Is it possible to share data files between different components?

Does if offer scaling?

Is there a dual table?

What load do concurrent queries produce on the namenode?

How can it help for avoiding costly modeling?

Un-Answered Questions { Apache Impala }

Where can I get sample data to try?

Is avro supported?

How much memory is required?

What is impala data types?

What is troubleshooting for impala?

What is the maximum number of rows in a table?

How is impala metadata managed?

What are distinct operators in impala?

Compare hive, hbase, and impala?

Why does my select statement fail?

How do I try impala out?

What load do concurrent queries produce on the namenode?

Can I do trforms or add new functionality?

Does cloudera offer a vm for demonstrating impala?

How are joins performed in impala?

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