15 technical and behavioral questions with detailed model answers. Click any question to expand the answer.
Explain how Elasticsearch handles a search request internally.
A customer's cluster is RED. Walk me through your troubleshooting.
Explain the difference between a primary and replica shard.
How does ILM work and when would you recommend it?
A customer reports slow search. What do you check?
Explain the inverted index.
What's the difference between keyword and text field types?
How would you handle a mapping explosion?
Describe Elastic's product portfolio.
Tell me about a difficult customer interaction and how you handled it.
Why Elastic?
How do you handle language barriers in a support context?
Describe your approach to a problem you've never seen before.
How do you prioritize when multiple P1 tickets arrive simultaneously?
Tell me about KCS and how you'd apply it at Elastic.