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

Apache Impala Interview Questions

Questions Answers Views Company eMail

How is impala metadata managed?

What size is recommended for each node?

214

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?

259

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 }

What does impala do for fast access?

When does impala hold on to or return memory?

Is impala production ready?

What is impala?

130

Can impala be used for complex event processing?

169

Does impala support generic jdbc?

What happens if there is an error in impala?

259

How does impala process join queries for large tables?

How does impala achieve its performance improvements?

Are results returned as they become available, or all at once when a query completes?

What are the main features of impala?

How does impala compare to hive and pig?

State some impala hadoop benefits?

Can I do trforms or add new functionality?

Is there a dual table?

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