Question-80: You know when you write the data in Cassandra cluster there are various possible places where data would be written and while reading data back it checks all these storages to retrieve the latest possible data. However, for efficiency it needs to store the data in sorted order by clustering columns. Which of the following storage would have data stored by clustering column?
- MemTable
- Get all Questions and Answer from here
- You need to have paid subscription to access all questions
- Thanks for considering Python Certification Material
Ans: A, B
Exp: While writing the data Cassandra first write the data in the MemTable as well as CommitLog. In MemTable data would be sorted by the Clustering column but in the Commit log it would be written as sequentially as on when received means append only mode.
You can access to full explanation to question and answer from this page.
