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

Apache Impala Interview Questions

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

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?

Can I do trforms or add new functionality?

Why does my insert statement fail?

Is impala production ready?

What are the most memory-intensive operations?

What are the main features of impala?

Where can I get sample data to try?

Where can I find impala documentation?

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

Is hive an impala requirement?

When does impala hold on to or return memory?

Is there an update statement?

162

Does cloudera offer a vm for demonstrating impala?

How do I try impala out?

Un-Answered Questions { Apache Impala }

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

160

How does impala achieve its performance improvements?

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

How much memory is required?

Why does my select statement fail?

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

164

Why we need impala hadoop?

State use cases of impala?

What are the best features of impala?

On which hosts does impala run?

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

Can I do transforms or add new functionality?

How are joins performed in impala?

103

Does cloudera offer a vm for demonstrating impala?

Is avro supported?

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