Hadoop - Modern Data Architecture with Hadoop
A data engineer notices that data in the 'processed' zone is missing some recent records. What is the most likely cause?
A data engineer notices that data in the 'processed' zone is missing some recent records. What is the most likely cause?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Trace data flow
Processed zone depends on raw data ingestion; missing raw data causes missing processed data.Step 2: Evaluate other options
Curated zone does not delete processed data, sandbox is separate, storage full causes errors but not selective missing data.Final Answer:
Raw data ingestion failed or delayed -> Option DQuick Check:
Missing processed data = Raw ingestion issue [OK]
Quick Trick: Processed data depends on raw ingestion success [OK]
Common Mistakes:
- Blaming curated zone for missing processed data
- Assuming sandbox overwrites processed data
- Ignoring ingestion failures
Master "Modern Data Architecture with Hadoop" in Hadoop
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Hadoop Quizzes