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Questions and Answers
What is the main emphasis of HDFS architecture?
What is the main emphasis of HDFS architecture?
- Interactive use by users
- Parallel processing of data
- Low latency of data access
- High throughput of data access (correct)
Which guiding principle of HDFS architecture emphasizes support for file sizes of gigabytes to petabytes?
Which guiding principle of HDFS architecture emphasizes support for file sizes of gigabytes to petabytes?
- Simple Coherency Model
- Large Data Sets (correct)
- Streaming Data Access
- Tolerance of Hardware Failure
In HDFS, what pattern is considered the most efficient data processing pattern?
In HDFS, what pattern is considered the most efficient data processing pattern?
- Read-once write-once pattern (correct)
- Read-many-times write-once pattern
- Random access pattern
- Write-many-times read-once pattern
What is the purpose of HDFS Compression?
What is the purpose of HDFS Compression?
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Where is the EditLog stored in HDFS?
Where is the EditLog stored in HDFS?
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What does the NameNode maintain in HDFS?
What does the NameNode maintain in HDFS?
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What is the purpose of checksums in HDFS?
What is the purpose of checksums in HDFS?
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What happens if a checksum verification fails in HDFS?
What happens if a checksum verification fails in HDFS?
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What can cause an entire HDFS instance to become non-functional?
What can cause an entire HDFS instance to become non-functional?
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How does HDFS address the potential single point of failure in the NameNode?
How does HDFS address the potential single point of failure in the NameNode?
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