Sobes.tech

What are optimistic and pessimistic locks in PostgreSQL? What is the difference?

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Are you considering full-time employment (40 hours a week) or part-time (20 hours a week)?

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What project directions are you considering (fintech, retail, infrastructure, etc.)?

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Write a Graceful Shutdown mechanism for an HTTP server using channels and OS signal handling (Ctrl+C)

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Implement a cache based on map[string]any with a constructor, Get method, and Set method, considering concurrent access (Mutex)

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Please tell me your patronymic.

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What is the difference between EXPLAIN and EXPLAIN ANALYZE in PostgreSQL?

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Is there experience working with Elasticsearch as a database (not for logs)?

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What is a partition in Kafka? How does reading from partitions work?

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What happens if there are 5 partitions in a topic and 10 consumers in one consumer group?

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Do you have experience with CI/CD? What did you do?

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Does Kafka guarantee message delivery? Can Kafka lose a message if the producer does not receive an error?

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Tell us about yourself and your work experience.

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What are your salary expectations? What amount do you consider per month?

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The production request is slow. How will you investigate and optimize?

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