InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When the records are fetched form a Hbase tables, in which order are the sorted? |
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| 2. |
How do we get the complete list of columns that exist in a column Family? |
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| 3. |
What is a Namespace in Hbase? |
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| 4. |
What is the information stored in hbase:meta table? |
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| 5. |
What is the scope of a rowkey in Habse? |
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| 6. |
Why should we try to minimize the row name and column name sizes in Hbase? |
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| 7. |
What are the approaches to avoid hotspotting? |
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| 8. |
What is hotspotting in Hbase? |
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| 9. |
Why do we pre-create empty regions? |
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| 10. |
Which file in Hbase is designed after the SSTable file of BigTable? |
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| 11. |
What is a Hbase Store? |
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| 12. |
When do we do manula Region splitting? |
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| 13. |
How can you disable WAL? What is the benefit? |
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| 14. |
In Hbase what is log splitting? |
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| 15. |
Why MultiWAL is needed? |
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| 16. |
How does WAL help when a RegionServer crashes? |
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| 17. |
What are the different Block Caches in Hbase? |
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| 18. |
What is HRegionServer in Hbase? |
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| 19. |
what is HMaster? |
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| 20. |
How does Hbase provide high availability? |
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| 21. |
How does Hbase support Bulk data loading? |
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| 22. |
What is the Hbase shell command to only 10 records form a table? |
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| 23. |
Give the commands to add a new column family “(newcolfamily”) to a table (“tablename”) which has a existing column family(“oldcolfamily”). |
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| 24. |
What does the following command do? |
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| 25. |
Give a command to store 4 versions in a table rather than the default 3. |
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| 26. |
In Which scenario should we consider a Tall-thin table design? |
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| 27. |
In which scenario should we consider creating a short and wide Hbase table? |
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| 28. |
What are the two types of table design approach in Hbase? |
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| 29. |
What are the two ways in which you can access data from Hbase? |
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| 30. |
What is a rowkey in Hbase? |
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| 31. |
Does Hbase support table joins? |
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| 32. |
What is TTL (Time to live) in Hbase? |
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| 33. |
What is the lower bound of versions in Hbase? |
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| 34. |
What is the role of the class HColumnDescriptor in Hbase? |
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| 35. |
What is a cell in Hbase? |
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| 36. |
What is the difference between the commands delete column and delete family? |
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| 37. |
What are the different compaction types in Hbase? |
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| 38. |
What is compaction in Hbase? |
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| 39. |
What are the step in writing something into Hbase by a client? |
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| 40. |
Is Hbase a scale out or scale up process? |
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| 41. |
What are catalog tables in Hbase? |
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| 42. |
Name three disadvantages Hbase has as compared to RDBMS? |
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| 43. |
What are the different types of filters used in Hbase? |
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| 44. |
What does the following table do? |
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| 45. |
Give a command to check if a table is disabled. |
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| 46. |
When do we need to disable a table in Hbase? |
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| 47. |
What is the role of Zookeeper in Hbase? |
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| 48. |
What is the role of Master server in Hbase? |
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| 49. |
How to connect to Hbase? |
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| 50. |
What are the different commands used in Hbase operations? |
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