HBase and NoSQL Quiz
Authored by Nadun Kumarasinghe
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1st - 5th Grade
Used 1+ times
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33 questions
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1.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
The data structure in HBase that stores data in sorted order and persists it to disk – HFile
(a)
2.
OPEN ENDED QUESTION
3 mins • 1 pt
A process that merges multiple HFiles to reduce storage fragmentation and improve read performance – Major Compaction
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OFF
3.
OPEN ENDED QUESTION
3 mins • 1 pt
The mechanism that ensures all writes are first recorded in a durable log before being written to MemStore – Write-Ahead Log (WAL)
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OFF
4.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
The master component responsible for assigning regions to RegionServers and handling failover – HBase Master
(a)
5.
OPEN ENDED QUESTION
3 mins • 1 pt
A table-level feature in HBase that allows automatic partitioning of data across multiple servers – Region Splitting
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OFF
6.
OPEN ENDED QUESTION
3 mins • 1 pt
The process of migrating a region from one RegionServer to another for better load balancing – Region Rebalancing
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OFF
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Volume: Large amount of existing videos
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OFF
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