Did you work with a large dataset?
1Times asked
Aug 2026Last seen
Aug 2026First seen
💡 Model Answer
Yes, in my previous role I managed a dataset of 10 TB stored in a Hadoop cluster. I used Spark to process the data, writing ETL jobs that ran nightly. I also set up monitoring with Grafana and Alertmanager to track job failures. The biggest challenge was ensuring data quality; I implemented schema validation and automated unit tests for each transformation. This experience taught me how to scale processing pipelines and maintain reliability at scale.
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